{"title":"Transistors \u0026 MOSFETs","description":"\u003ch2\u003eTransistors \u0026amp; MOSFETs – Switching \u0026amp; Amplification Components for Electronics\u003c\/h2\u003e\u003cp\u003eControl and amplify signals with our comprehensive range of \u003cstrong\u003eNPN\/PNP transistors, power MOSFETs, Darlington arrays, and MOSFET driver modules\u003c\/strong\u003e – compatible with Arduino, Raspberry Pi, and all electronics applications.\u003c\/p\u003e\u003ch3\u003eWhat's in This Collection\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Purpose Transistors\u003c\/strong\u003e – 2N3904 NPN, 2N3906 PNP, PN2222A NPN, PN2907 PNP, BC547, BC557 in 10-packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Transistors\u003c\/strong\u003e – TIP120, TIP122 NPN Darlington transistors for high-current switching applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eN-Channel MOSFETs\u003c\/strong\u003e – IRF520, IRF3205, FTP11N08A 75V 100A TO-220 power MOSFETs for motor and inverter control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET Driver Modules\u003c\/strong\u003e – D4184, LR7843, IRF520 MOSFET control modules; high-power dual MOSFET switch modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDarlington Arrays\u003c\/strong\u003e – ULN2003A, ULN2803 SOP-16 Darlington transistor array ICs for relay and stepper motor driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMD Transistors\u003c\/strong\u003e – S8050, S8550 SOT-23 SMD transistors for surface mount PCB applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose Keszoox?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ 114+ transistor \u0026amp; MOSFET products in stock\u003c\/li\u003e\n\u003cli\u003e✅ TO-92, TO-220, SOT-23 packages available\u003c\/li\u003e\n\u003cli\u003e✅ Bulk quantities available – ready to ship worldwide\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"d4184-mosfet-control-module-40a-pwm","title":"D4184 N-Channel MOSFET Control Module — 40A, PWM Compatible","description":"\u003ch2\u003eD4184 N-Channel MOSFET Control Module — 40A, PWM Compatible\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eD4184 MOSFET control module\u003c\/strong\u003e allows an Arduino digital or PWM pin to switch and control \u003cstrong\u003ehigh-current DC loads up to 40A \/ 100V\u003c\/strong\u003e. Built around the \u003cstrong\u003eD4184 N-channel MOSFET\u003c\/strong\u003e with a gate driver circuit, it accepts \u003cstrong\u003e3.3V or 5V logic signals\u003c\/strong\u003e directly from Arduino — no level shifter needed. Supports \u003cstrong\u003ePWM speed control\u003c\/strong\u003e for motors and LED dimming.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMOSFET: \u003cstrong\u003eD4184 N-channel\u003c\/strong\u003e | Max current: \u003cstrong\u003e40A\u003c\/strong\u003e | Max voltage: \u003cstrong\u003e100V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOn-resistance: \u003cstrong\u003e3.5mΩ\u003c\/strong\u003e | Logic input: \u003cstrong\u003e3.3V \/ 5V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePWM: \u003cstrong\u003eYes\u003c\/strong\u003e | Frequency: \u003cstrong\u003eup to 20kHz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eScrew terminals: \u003cstrong\u003eLoad + \/ Load − \/ GND\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e40A \/ 100V\u003c\/strong\u003e — switch high-current motors, heaters and LED strips\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V\/5V logic\u003c\/strong\u003e — direct Arduino control, no level shifter needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePWM compatible\u003c\/strong\u003e — smooth speed and brightness control\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eScrew terminals\u003c\/strong\u003e — secure high-current load connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino DC motor speed control via PWM\u003c\/li\u003e\n\u003cli\u003eHigh-power LED strip dimming\u003c\/li\u003e\n\u003cli\u003eHeater and solenoid valve switching\u003c\/li\u003e\n\u003cli\u003eBattery load switching and power management\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45669147115755,"sku":"","price":13.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/D4184-MOSFET-Control-Module.jpg?v=1723009681"},{"product_id":"high-power-dual-mosfet-switch-module-15a","title":"High-Power Dual MOSFET Switch Module — 15A, PWM Compatible","description":"\u003ch2\u003eHigh-Power Dual MOSFET Switch Module — 15A, PWM Compatible\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003edual-channel high-power MOSFET switch module\u003c\/strong\u003e capable of switching \u003cstrong\u003etwo independent DC loads up to 15A each\u003c\/strong\u003e. Accepts \u003cstrong\u003e3.3V or 5V logic signals\u003c\/strong\u003e directly from Arduino — no level shifter needed. Supports \u003cstrong\u003ePWM control\u003c\/strong\u003e for motor speed and LED dimming. Screw terminals for secure high-current load connections.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChannels: \u003cstrong\u003e2 independent\u003c\/strong\u003e | Max current: \u003cstrong\u003e15A per channel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLogic input: \u003cstrong\u003e3.3V \/ 5V\u003c\/strong\u003e | PWM: \u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLoad voltage: \u003cstrong\u003eup to 30V DC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTerminals: \u003cstrong\u003eScrew terminals for load connections\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDual channel\u003c\/strong\u003e — independently control two high-current loads\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e15A per channel\u003c\/strong\u003e — suitable for large DC motors and LED strips\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V\/5V logic\u003c\/strong\u003e — direct Arduino control, no level shifter needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePWM compatible\u003c\/strong\u003e — smooth speed and brightness control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual DC motor speed control via PWM\u003c\/li\u003e\n\u003cli\u003eHigh-power LED strip dimming (two channels)\u003c\/li\u003e\n\u003cli\u003eDual heater or solenoid valve switching\u003c\/li\u003e\n\u003cli\u003eBattery load switching and power management\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45670632751339,"sku":"","price":9.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/High-Power-Dual-MOSFET-Switch-Module.jpg?v=1723009586"},{"product_id":"irf520-n-channel-mosfet-driver-module","title":"IRF520 N-Channel MOSFET Driver Module — 9A, PWM Compatible","description":"\u003ch2\u003eIRF520 N-Channel MOSFET Driver Module — 9A, PWM Compatible\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eIRF520 MOSFET driver module\u003c\/strong\u003e allows an Arduino digital or PWM pin to switch and control \u003cstrong\u003eDC loads up to 9A \/ 100V\u003c\/strong\u003e. Built around the \u003cstrong\u003eIRF520 N-channel MOSFET\u003c\/strong\u003e with a gate driver circuit, it accepts \u003cstrong\u003e3.3V or 5V logic signals\u003c\/strong\u003e directly from Arduino. Supports \u003cstrong\u003ePWM speed control\u003c\/strong\u003e for motors and LED dimming.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMOSFET: \u003cstrong\u003eIRF520 N-channel\u003c\/strong\u003e | Max current: \u003cstrong\u003e9A\u003c\/strong\u003e | Max voltage: \u003cstrong\u003e100V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOn-resistance: \u003cstrong\u003e0.27Ω\u003c\/strong\u003e | Logic input: \u003cstrong\u003e3.3V \/ 5V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePWM: \u003cstrong\u003eYes\u003c\/strong\u003e | Screw terminals: \u003cstrong\u003eLoad + \/ Load − \/ GND\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e9A \/ 100V\u003c\/strong\u003e — switch DC motors, LED strips and solenoids\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V\/5V logic\u003c\/strong\u003e — direct Arduino control, no level shifter needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePWM compatible\u003c\/strong\u003e — smooth speed and brightness control\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eScrew terminals\u003c\/strong\u003e — secure high-current load connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino DC motor speed control via PWM\u003c\/li\u003e\n\u003cli\u003eLED strip dimming and switching\u003c\/li\u003e\n\u003cli\u003eSolenoid valve and relay replacement\u003c\/li\u003e\n\u003cli\u003eBattery load switching and power management\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45670637207787,"sku":"","price":9.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/IRF520-MOSFET-Breakout-Board.jpg?v=1723009540"},{"product_id":"lr7843-mosfet-control-module-161a","title":"LR7843 N-Channel MOSFET Control Module — 161A, PWM Compatible","description":"\u003ch2\u003eLR7843 N-Channel MOSFET Control Module — 161A, PWM Compatible\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLR7843 MOSFET control module\u003c\/strong\u003e is built around the \u003cstrong\u003eLR7843 N-channel MOSFET\u003c\/strong\u003e — rated at an exceptional \u003cstrong\u003e161A \/ 30V\u003c\/strong\u003e. Control ultra-high-current DC loads directly from an Arduino digital or PWM pin with \u003cstrong\u003e3.3V or 5V logic\u003c\/strong\u003e. Supports \u003cstrong\u003ePWM speed control\u003c\/strong\u003e for large motors and high-power LED arrays. Screw terminals for secure high-current connections.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMOSFET: \u003cstrong\u003eLR7843 N-channel\u003c\/strong\u003e | Max current: \u003cstrong\u003e161A\u003c\/strong\u003e | Max voltage: \u003cstrong\u003e30V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOn-resistance: \u003cstrong\u003e3.3mΩ\u003c\/strong\u003e | Logic input: \u003cstrong\u003e3.3V \/ 5V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePWM: \u003cstrong\u003eYes\u003c\/strong\u003e | Screw terminals: \u003cstrong\u003eLoad + \/ Load − \/ GND\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e161A rated\u003c\/strong\u003e — switch the highest-current DC loads\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3mΩ on-resistance\u003c\/strong\u003e — minimal heat generation at high currents\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V\/5V logic\u003c\/strong\u003e — direct Arduino control, no level shifter needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePWM compatible\u003c\/strong\u003e — smooth speed and brightness control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-current DC motor speed control\u003c\/li\u003e\n\u003cli\u003eLarge LED array and strip dimming\u003c\/li\u003e\n\u003cli\u003eHigh-power heater and solenoid switching\u003c\/li\u003e\n\u003cli\u003eBattery bank load switching\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45670658146539,"sku":"","price":9.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LR7843-MOSFET-Control-Module.jpg?v=1723009503"},{"product_id":"2n3904-npn-general-purpose-transistor-10-pack","title":"2N3904 NPN General Purpose Transistor (10-Pack)","description":"\u003ch2\u003e2N3904 NPN General Purpose Transistor — TO-92, 40V \/ 200mA, 10 Pieces\u003c\/h2\u003e\n\n\u003cp\u003eThe 2N3904 is one of the most widely used NPN bipolar junction transistors (BJT) in electronics, found in virtually every hobbyist parts bin and professional prototype lab. It is a general-purpose small-signal transistor optimized for low-power amplification and switching applications, with a collector-emitter voltage of 40V, 200mA collector current, and a transition frequency of 300MHz. Its TO-92 plastic package with standard EBC (Emitter-Base-Collector) pinout makes it compatible with breadboards, perfboards, and PCBs.\u003c\/p\u003e\n\n\u003cp\u003e10 pieces per pack.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e NPN Bipolar Junction Transistor (BJT), silicon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-92 (through-hole, plastic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinout (flat face forward, left to right):\u003c\/strong\u003e Emitter (E) — Base (B) — Collector (C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Emitter Voltage (Vceo):\u003c\/strong\u003e 40V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Base Voltage (Vcbo):\u003c\/strong\u003e 60V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmitter-Base Voltage (Vebo):\u003c\/strong\u003e 6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Current (Ic):\u003c\/strong\u003e 200mA continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Current Gain (hFE):\u003c\/strong\u003e 100–300 (@ Ic=10mA, Vce=1V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e 625mW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransition Frequency (fT):\u003c\/strong\u003e 300MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaturation Voltage (Vce(sat)):\u003c\/strong\u003e 0.2V @ Ic=10mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Fairchild \/ ON Semiconductor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTO-92 Pinout (Flat Face Forward)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 (left):\u003c\/strong\u003e Emitter (E)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 (center):\u003c\/strong\u003e Base (B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 (right):\u003c\/strong\u003e Collector (C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBasic Switching Circuit (Arduino GPIO Buffering)\u003c\/h3\u003e\n\u003cp\u003eTo switch a load that exceeds Arduino GPIO current limits (20–40mA), use the 2N3904 as a low-side switch:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase (B) → Arduino GPIO via 4.7kΩ resistor (limits base current to safe levels)\u003c\/li\u003e\n\u003cli\u003eCollector (C) → Load negative terminal\u003c\/li\u003e\n\u003cli\u003eEmitter (E) → GND\u003c\/li\u003e\n\u003cli\u003eLoad positive → Supply voltage (up to 40V)\u003c\/li\u003e\n\u003cli\u003eAdd flyback diode across inductive loads (motors, relays, solenoids)\u003c\/li\u003e\n\u003cli\u003eGPIO HIGH = transistor ON (load powered); GPIO LOW = transistor OFF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExample: driving 3 LEDs (60mA total) from a single Arduino pin — base resistor 4.7kΩ, current-limiting resistor 50Ω in series with LEDs.\u003c\/p\u003e\n\n\u003ch3\u003eBase Resistor Calculation\u003c\/h3\u003e\n\u003cp\u003eFor switching (saturation): Rb = (Vb − 0.7V) \/ Ib, where Ib = Ic \/ hFE. For Ic=100mA, hFE=100: Ib = 1mA. Rb = (5V − 0.7V) \/ 1mA = 4.3kΩ. Use 4.7kΩ standard value. For amplification, bias the base for the desired operating point.\u003c\/p\u003e\n\n\u003ch3\u003e2N3904 vs. PN2222A vs. TIP120\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2N3904:\u003c\/strong\u003e 40V, 200mA, hFE 100–300. Best for signal switching, LED driving, relay coil activation at low current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePN2222A:\u003c\/strong\u003e 40V, 600mA, hFE 100–300. Higher current for loads up to 600mA (small motors, multiple LEDs).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIP120:\u003c\/strong\u003e 60V, 5A, hFE ≥1000 (Darlington). For high-current loads (motors, fans) up to 5A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino\/ESP32 GPIO current buffering (driving loads beyond GPIO current limit)\u003c\/li\u003e\n\u003cli\u003eLED driver (single or multiple LEDs up to 200mA total)\u003c\/li\u003e\n\u003cli\u003eRelay coil driver (5V\/12V relay coils, typically 50–150mA)\u003c\/li\u003e\n\u003cli\u003eSignal amplification in audio and RF circuits\u003c\/li\u003e\n\u003cli\u003eLogic-level signal inversion (common emitter configuration)\u003c\/li\u003e\n\u003cli\u003eOscillator and timer circuits\u003c\/li\u003e\n\u003cli\u003eSensor signal conditioning\u003c\/li\u003e\n\u003cli\u003eGate drive for small MOSFETs (NPN transistor as gate driver)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × 2N3904 NPN general purpose transistor, TO-92\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45673281159403,"sku":"","price":7.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Transistor-2N3904-Qty-10.jpg?v=1723007501"},{"product_id":"2n3906-pnp-general-purpose-transistor-10-pack","title":"2N3906 PNP General Purpose Transistor (10-Pack)","description":"\u003ch2\u003e2N3906 PNP General Purpose Transistor — TO-92, 40V \/ 200mA, 10 Pieces\u003c\/h2\u003e\n\n\u003cp\u003eThe 2N3906 is the standard PNP complement to the 2N3904 NPN transistor — sharing the same TO-92 package, EBC pinout, and general-purpose small-signal ratings. Rated at 40V collector-emitter voltage and 200mA collector current, it is used for high-side switching, signal amplification, and level shifting in circuits where a PNP device is required. Together with the 2N3904, they form the most commonly stocked complementary BJT pair in electronics.\u003c\/p\u003e\n\n\u003cp\u003e10 pieces per pack.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e PNP Bipolar Junction Transistor (BJT), silicon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-92 (through-hole, plastic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinout (flat face forward, left to right):\u003c\/strong\u003e Emitter (E) — Base (B) — Collector (C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Emitter Voltage (Vceo):\u003c\/strong\u003e −40V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Base Voltage (Vcbo):\u003c\/strong\u003e −40V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmitter-Base Voltage (Vebo):\u003c\/strong\u003e 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Current (Ic):\u003c\/strong\u003e 200mA continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Current Gain (hFE):\u003c\/strong\u003e 100–300 (@ Ic=10mA, Vce=−1V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e 625mW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransition Frequency (fT):\u003c\/strong\u003e 250MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaturation Voltage (Vce(sat)):\u003c\/strong\u003e −0.25V @ Ic=10mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Fairchild \/ ON Semiconductor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePNP vs. NPN Operation\u003c\/h3\u003e\n\u003cp\u003ePNP transistors operate with reversed polarity compared to NPN. The key differences:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent direction:\u003c\/strong\u003e Conventional current flows from Emitter to Collector (opposite to NPN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurn-on condition:\u003c\/strong\u003e Base must be pulled LOW relative to Emitter (Vbe ≈ −0.7V) to turn ON\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-side switching:\u003c\/strong\u003e PNP is naturally suited for high-side switching — Emitter connects to positive supply, Collector connects to load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCU control:\u003c\/strong\u003e GPIO LOW = transistor ON; GPIO HIGH = transistor OFF (inverted logic vs. NPN)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHigh-Side Switch Wiring (5V Load)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEmitter (E) → +5V supply\u003c\/li\u003e\n\u003cli\u003eCollector (C) → Load positive terminal\u003c\/li\u003e\n\u003cli\u003eLoad negative terminal → GND\u003c\/li\u003e\n\u003cli\u003eBase (B) → Arduino GPIO via 4.7kΩ resistor\u003c\/li\u003e\n\u003cli\u003e10kΩ pull-up from Base to Emitter (+5V) — ensures transistor is OFF when GPIO is floating\u003c\/li\u003e\n\u003cli\u003eGPIO LOW = transistor ON (load powered); GPIO HIGH = transistor OFF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e2N3906 vs. 2N3904 vs. PN2907\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2N3906 (PNP):\u003c\/strong\u003e 40V, 200mA. High-side switching, complementary pair with 2N3904.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2N3904 (NPN):\u003c\/strong\u003e 40V, 200mA. Low-side switching. Complementary pair with 2N3906.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePN2907 (PNP):\u003c\/strong\u003e 40V, 800mA. Higher current PNP for loads up to 800mA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-side load switching controlled by Arduino\/ESP32 GPIO\u003c\/li\u003e\n\u003cli\u003eComplementary push-pull output stage (paired with 2N3904)\u003c\/li\u003e\n\u003cli\u003eSignal amplification in audio preamplifier circuits\u003c\/li\u003e\n\u003cli\u003eLevel shifting and logic inversion\u003c\/li\u003e\n\u003cli\u003eCurrent mirror circuits\u003c\/li\u003e\n\u003cli\u003eOscillator and timer circuits (complementary to NPN)\u003c\/li\u003e\n\u003cli\u003eLED driver (high-side, up to 200mA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × 2N3906 PNP general purpose transistor, TO-92\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45673282142443,"sku":"","price":7.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Transistor-2N3906-Qty-10.jpg?v=1723007498"},{"product_id":"pn2222a-npn-general-purpose-transistor-10-pack","title":"PN2222A NPN General Purpose Transistor (10-Pack)","description":"\u003ch2\u003ePN2222A NPN General Purpose Transistor — TO-92, 40V \/ 600mA, 10 Pieces\u003c\/h2\u003e\n\n\u003cp\u003eThe PN2222A is a popular NPN general-purpose transistor offering 3× the collector current of the 2N3904 (600mA vs. 200mA) in the same compact TO-92 package. It is the go-to choice when the 2N3904 is not quite powerful enough — for relay coil drivers, small motor control, multiple LED arrays, and any application requiring up to 600mA of switched current from a microcontroller GPIO. The 75V collector-base voltage also provides extra headroom for higher-voltage switching applications.\u003c\/p\u003e\n\n\u003cp\u003e10 pieces per pack.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e NPN Bipolar Junction Transistor (BJT), silicon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-92 (through-hole, plastic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinout (flat face forward, left to right):\u003c\/strong\u003e Emitter (E) — Base (B) — Collector (C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Emitter Voltage (Vceo):\u003c\/strong\u003e 40V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Base Voltage (Vcbo):\u003c\/strong\u003e 75V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Current (Ic):\u003c\/strong\u003e 600mA continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Current Gain (hFE):\u003c\/strong\u003e 100–300 (@ Ic=150mA, Vce=1V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e 625mW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaturation Voltage (Vce(sat)):\u003c\/strong\u003e 0.3V @ Ic=150mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Fairchild \/ ON Semiconductor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTO-92 Pinout (Flat Face Forward)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 (left):\u003c\/strong\u003e Emitter (E)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 (center):\u003c\/strong\u003e Base (B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 (right):\u003c\/strong\u003e Collector (C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelay Driver Circuit (12V Relay from 5V Arduino)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBase (B) → Arduino GPIO via 1kΩ resistor\u003c\/li\u003e\n\u003cli\u003eCollector (C) → Relay coil negative terminal\u003c\/li\u003e\n\u003cli\u003eEmitter (E) → GND\u003c\/li\u003e\n\u003cli\u003eRelay coil positive → 12V supply\u003c\/li\u003e\n\u003cli\u003e1N4007 flyback diode across relay coil (cathode to 12V, anode to Collector)\u003c\/li\u003e\n\u003cli\u003eGPIO HIGH = relay ON; GPIO LOW = relay OFF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePN2222A vs. 2N3904 vs. TIP120\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePN2222A:\u003c\/strong\u003e 40V, 600mA. Best for relay drivers, small motors, LED arrays up to 600mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2N3904:\u003c\/strong\u003e 40V, 200mA. For lighter loads (single LEDs, signal switching) up to 200mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIP120:\u003c\/strong\u003e 60V, 5A, Darlington. For high-current loads (large motors, fans) up to 5A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5V\/12V relay coil driver from Arduino GPIO\u003c\/li\u003e\n\u003cli\u003eSmall DC motor control (up to 600mA)\u003c\/li\u003e\n\u003cli\u003eMultiple LED array driver (up to 600mA total)\u003c\/li\u003e\n\u003cli\u003eContinuity tester circuit (base pulled high by probe contact)\u003c\/li\u003e\n\u003cli\u003eBuzzer and piezo driver\u003c\/li\u003e\n\u003cli\u003eSignal amplification and switching\u003c\/li\u003e\n\u003cli\u003eMOSFET gate driver (NPN transistor driving P-channel gate)\u003c\/li\u003e\n\u003cli\u003eLogic-level signal inversion and buffering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × PN2222A NPN general purpose transistor, TO-92\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45673283780843,"sku":"","price":8.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Transistor-PN2222A-Qty-10.jpg?v=1723007492"},{"product_id":"pn2907-pnp-general-purpose-transistor-10-pack","title":"PN2907 PNP General Purpose Transistor (10-Pack)","description":"\u003ch2\u003ePN2907 PNP General Purpose Transistor — TO-92, 40V \/ 800mA, 10 Pieces\u003c\/h2\u003e\n\n\u003cp\u003eThe PN2907 is the PNP complement to the PN2222A NPN transistor, offering 800mA collector current in the same TO-92 package — making it the highest-current general-purpose PNP transistor in the standard TO-92 form factor. It is used for high-side switching applications where a PNP device is required and the load current exceeds the capability of the 2N3906 (200mA). Together with the PN2222A, they form a matched complementary pair for push-pull output stages and H-bridge circuits.\u003c\/p\u003e\n\n\u003cp\u003e10 pieces per pack.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e PNP Bipolar Junction Transistor (BJT), silicon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-92 (through-hole, plastic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinout (flat face forward, left to right):\u003c\/strong\u003e Emitter (E) — Base (B) — Collector (C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Emitter Voltage (Vceo):\u003c\/strong\u003e −40V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Base Voltage (Vcbo):\u003c\/strong\u003e −60V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Current (Ic):\u003c\/strong\u003e 800mA continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Current Gain (hFE):\u003c\/strong\u003e 100–300 (@ Ic=150mA, Vce=−1V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e 625mW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaturation Voltage (Vce(sat)):\u003c\/strong\u003e −0.4V @ Ic=500mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Fairchild \/ ON Semiconductor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTO-92 Pinout (Flat Face Forward)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 (left):\u003c\/strong\u003e Emitter (E)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 (center):\u003c\/strong\u003e Base (B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 (right):\u003c\/strong\u003e Collector (C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHigh-Side Switch Wiring (12V Load, NPN Gate Drive)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEmitter (E) → +12V supply\u003c\/li\u003e\n\u003cli\u003eCollector (C) → Load positive terminal\u003c\/li\u003e\n\u003cli\u003eLoad negative terminal → GND\u003c\/li\u003e\n\u003cli\u003eBase (B) → NPN transistor collector (for 12V high-side control from 5V MCU)\u003c\/li\u003e\n\u003cli\u003e10kΩ pull-up from Base to Emitter (+12V) — ensures PNP is OFF when NPN is OFF\u003c\/li\u003e\n\u003cli\u003eNPN base → Arduino GPIO via 10kΩ; MCU HIGH → NPN ON → PNP ON (load powered)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePN2907 vs. 2N3906 vs. PN2222A\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePN2907 (PNP):\u003c\/strong\u003e 40V, 800mA. Highest current TO-92 PNP. Complementary to PN2222A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2N3906 (PNP):\u003c\/strong\u003e 40V, 200mA. Lower current. Complementary to 2N3904.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePN2222A (NPN):\u003c\/strong\u003e 40V, 600mA. Complementary NPN pair for PN2907.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-side load switching (5V–12V) controlled by MCU via NPN gate drive\u003c\/li\u003e\n\u003cli\u003eComplementary push-pull output stage (paired with PN2222A)\u003c\/li\u003e\n\u003cli\u003eClass-AB audio amplifier output stage\u003c\/li\u003e\n\u003cli\u003eHigh-current LED array driver (high-side, up to 800mA)\u003c\/li\u003e\n\u003cli\u003eRelay driver (high-side configuration)\u003c\/li\u003e\n\u003cli\u003eCurrent mirror and current source circuits\u003c\/li\u003e\n\u003cli\u003eSignal amplification in audio preamplifier circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × PN2907 PNP general purpose transistor, TO-92\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674451173611,"sku":"","price":5.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Transistor-PN2907-Qty-10.jpg?v=1723007487"},{"product_id":"tip120-npn-darlington-power-transistor-60v-5a","title":"TIP120 NPN Darlington Power Transistor 60V\/5A","description":"\u003ch2\u003eTIP120 NPN Darlington Power Transistor — 60V \/ 5A \/ hFE≥1000, TO-220\u003c\/h2\u003e\n\n\u003cp\u003eThe TIP120 is a classic NPN Darlington power transistor in TO-220 package, combining two transistors in a Darlington pair configuration to achieve a very high current gain (hFE ≥ 1000). This means a tiny base current of just 1–5mA from an Arduino GPIO pin can switch up to 5A of collector current — making it one of the simplest ways to control medium-power loads (motors, fans, solenoids, high-power LEDs) directly from a microcontroller without any additional driver IC.\u003c\/p\u003e\n\n\u003cp\u003eWhile MOSFETs have largely replaced Darlington transistors in new designs due to lower saturation voltage and faster switching, the TIP120 remains popular for its simplicity, robustness, and the fact that it can be driven directly from any MCU GPIO with just a single base resistor.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Fairchild \/ ON Semiconductor \/ ST Microelectronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TIP120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e NPN Darlington power transistor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-220 (through-hole)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Emitter Voltage (Vceo):\u003c\/strong\u003e 60V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Base Voltage (Vcbo):\u003c\/strong\u003e 60V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Collector Current (Ic):\u003c\/strong\u003e 5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak Collector Current (Ic peak):\u003c\/strong\u003e 8A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Current Gain (hFE):\u003c\/strong\u003e ≥1000 (Darlington pair)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaturation Voltage (Vce(sat)):\u003c\/strong\u003e ~2V @ 3A (higher than MOSFET Rds(on) × I)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −65°C to +150°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTO-220 Pinout\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 (left):\u003c\/strong\u003e Base (B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 (center):\u003c\/strong\u003e Collector (C) — connects to load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 (right):\u003c\/strong\u003e Emitter (E) — connects to GND\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTab (metal):\u003c\/strong\u003e Collector (C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Motor\/Fan Control Wiring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBase (B) → Arduino PWM pin via 1kΩ resistor\u003c\/li\u003e\n\u003cli\u003eCollector (C) → Motor\/fan negative terminal (or load negative)\u003c\/li\u003e\n\u003cli\u003eEmitter (E) → GND\u003c\/li\u003e\n\u003cli\u003eMotor\/fan positive → 12V supply (up to 60V)\u003c\/li\u003e\n\u003cli\u003eAdd 1N4001 flyback diode across motor (cathode to 12V, anode to Collector)\u003c\/li\u003e\n\u003cli\u003eControl speed: \u003ccode\u003eanalogWrite(pin, 0–255);\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo pull-down needed — transistor is OFF when base is at 0V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBase Resistor Calculation\u003c\/h3\u003e\n\u003cp\u003eTo saturate the TIP120 at 5A collector current with hFE=1000, minimum base current = 5A \/ 1000 = 5mA. For 5V GPIO: Rb = (5V − 1.4V) \/ 5mA = 720Ω. A 1kΩ resistor provides ~3.6mA base current — sufficient for loads up to ~3.6A. For full 5A, use 680Ω.\u003c\/p\u003e\n\n\u003ch3\u003eTIP120 vs. Power MOSFET (IRFZ44N)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIP120 advantage:\u003c\/strong\u003e Simpler drive circuit (single base resistor), no gate driver needed, more forgiving of gate\/base voltage spikes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIP120 disadvantage:\u003c\/strong\u003e Vce(sat) ≈ 2V at 3A — significant power dissipation (P = Vce × Ic = 2V × 3A = 6W). MOSFET Rds(on) × I² is typically much lower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRFZ44N advantage:\u003c\/strong\u003e Rds(on) = 17.5mΩ — at 5A, P = 0.0175 × 25 = 0.44W vs. TIP120’s ~10W. Far more efficient at high current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse TIP120 when:\u003c\/strong\u003e Simplicity matters more than efficiency; load current ≤2A; switching frequency is low (\u0026lt;1kHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse MOSFET when:\u003c\/strong\u003e Efficiency matters; current \u0026gt;2A; high-frequency PWM (\u0026gt;1kHz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino PWM DC motor speed control (12V, up to 5A)\u003c\/li\u003e\n\u003cli\u003e12V fan speed control with potentiometer or MCU PWM\u003c\/li\u003e\n\u003cli\u003eSolenoid valve driver (12V\/24V)\u003c\/li\u003e\n\u003cli\u003eHigh-power LED driver (12V, up to 5A)\u003c\/li\u003e\n\u003cli\u003eRelay coil driver\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose NPN power switch for loads up to 60V\/5A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × TIP120 NPN Darlington power transistor, TO-220\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674493149419,"sku":"","price":4.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/TIP120-Darlington-Transistor.jpg?v=1723007262"},{"product_id":"uln2003a-7-channel-darlington-driver","title":"ULN2003A 7-Channel Darlington Transistor Array IC DIP-16 — 500mA \/ 50V, Relay \u0026 Stepper Driver","description":"\u003ch2\u003eULN2003A — 7-Channel Darlington Transistor Array, DIP-16\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eULN2003A\u003c\/strong\u003e is the world's most widely used driver IC for interfacing microcontrollers to high-current loads. Its 7 NPN Darlington channels each sink up to \u003cstrong\u003e500mA at 50V\u003c\/strong\u003e, with built-in flyback diodes on every output for inductive load protection. It is the standard driver for \u003cstrong\u003e28BYJ-48 stepper motors\u003c\/strong\u003e (the most popular Arduino stepper motor), relay boards, solenoids, and high-power LED arrays — all without external transistors or diodes.\u003c\/p\u003e\u003cp\u003eThe ULN2003A's inputs are directly compatible with 5V TTL and CMOS logic, making it a plug-and-play interface between Arduino GPIO pins and high-current loads. Its DIP-16 package is breadboard-compatible for easy prototyping.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7 independent Darlington channels\u003c\/strong\u003e — each rated 500mA @ 50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in flyback diodes\u003c\/strong\u003e on all outputs — relay and solenoid protection included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5V TTL\/CMOS compatible inputs\u003c\/strong\u003e — direct connection to Arduino, ESP32, Raspberry Pi GPIO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive-low outputs\u003c\/strong\u003e — output sinks current when input is HIGH\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eStandard driver for 28BYJ-48 stepper motor\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo external components required\u003c\/strong\u003e for basic relay\/solenoid driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-16 package\u003c\/strong\u003e — breadboard and through-hole PCB compatible\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage (max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current (per channel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500mA continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage (logic HIGH)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4V – 5V (TTL\/CMOS compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlyback Diodes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in on all 7 outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen-collector (active-low sink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTexas Instruments \/ STMicroelectronics \/ Toshiba\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eULN2003A vs ULN2803A\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eULN2003A (this):\u003c\/strong\u003e 7 channels, DIP-16 — standard for 28BYJ-48 stepper motors, 7-segment displays, 7-relay boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eULN2803A:\u003c\/strong\u003e 8 channels, DIP-18 — preferred for 8-relay boards and full-byte I\/O driving\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e28BYJ-48 stepper motor driver\u003c\/strong\u003e — the standard driver IC for this popular Arduino stepper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay board driver\u003c\/strong\u003e — drive 7 relays from a single IC with built-in flyback protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolenoid valve array\u003c\/strong\u003e — control 7 solenoids from Arduino or PLC output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-power LED driver\u003c\/strong\u003e — drive 7 high-current LEDs or LED segments\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCommon-anode 7-segment display digit driver\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput expander\u003c\/strong\u003e — extend microcontroller I\/O to drive 7 high-current loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × ULN2003A 7-Channel Darlington Array IC (DIP-16)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/uln2003a.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eULN2003A Datasheet (Texas Instruments PDF)\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674498392299,"sku":"","price":4.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ULN2003-Darlington-Transistor-Array-1.jpg?v=1723007236"},{"product_id":"uln2803a-8-channel-darlington-driver","title":"ULN2803A 8-Channel Darlington Transistor Array IC DIP-18 — 500mA \/ 50V, Arduino Relay Driver","description":"\u003ch2\u003eULN2803A — 8-Channel Darlington Transistor Array, DIP-18\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eULN2803A\u003c\/strong\u003e is an 8-channel NPN Darlington transistor array IC — the most widely used driver IC for interfacing microcontrollers to high-current loads. Each of its 8 channels can sink up to \u003cstrong\u003e500mA at 50V\u003c\/strong\u003e, with built-in flyback diodes on every output for inductive load protection. Connect any 8 Arduino or microcontroller GPIO pins to the inputs, and the ULN2803A drives 8 relays, solenoids, stepper motor coils, or high-power LEDs simultaneously — no external transistors, no external diodes, no additional components required.\u003c\/p\u003e\u003cp\u003eThe ULN2803A is the 8-channel version of the popular ULN2003A (7-channel). Its DIP-18 package is breadboard-compatible, and its 5V-compatible inputs work directly with Arduino, ESP32, STM32, and Raspberry Pi GPIO pins.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 independent Darlington channels\u003c\/strong\u003e — each rated 500mA @ 50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in flyback diodes\u003c\/strong\u003e on all outputs — relay and solenoid protection included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5V logic compatible inputs\u003c\/strong\u003e — direct connection to Arduino, ESP32, Raspberry Pi GPIO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive-low outputs\u003c\/strong\u003e — output sinks current when input is HIGH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo external components required\u003c\/strong\u003e for basic relay\/solenoid driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-18 package\u003c\/strong\u003e — breadboard and through-hole PCB compatible\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage (max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current (per channel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500mA continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage (logic HIGH)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4V – 5V (TTL\/CMOS compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current (per channel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1mA @ 5V input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlyback Diodes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in on all 8 outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen-collector (active-low sink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP-18 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTexas Instruments \/ STMicroelectronics \/ Toshiba\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eULN2803A vs ULN2003A\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eULN2003A:\u003c\/strong\u003e 7 channels, DIP-16 — standard choice for 7-segment displays and 7-coil stepper motors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eULN2803A (this):\u003c\/strong\u003e 8 channels, DIP-18 — preferred for 8-relay boards, 8-channel output expanders, and full-byte I\/O driving\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay board driver\u003c\/strong\u003e — drive 8 relays from a single IC with built-in flyback protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepper motor driver\u003c\/strong\u003e — drive bipolar or unipolar stepper motor coils (4-coil motors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolenoid valve array\u003c\/strong\u003e — control 8 solenoids from Arduino or PLC output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-power LED driver\u003c\/strong\u003e — drive 8 high-current LEDs or LED segments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-segment display driver\u003c\/strong\u003e — common-anode display digit driver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput expander\u003c\/strong\u003e — extend microcontroller I\/O to drive 8 high-current loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino Wiring (Basic Relay Driver)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eULN2803A inputs (pins 1–8) → Arduino digital pins\u003c\/li\u003e\n\u003cli\u003eULN2803A COM pin (pin 10) → relay coil positive supply (5V or 12V)\u003c\/li\u003e\n\u003cli\u003eULN2803A outputs (pins 11–18) → relay coil negative terminals\u003c\/li\u003e\n\u003cli\u003eArduino GND → ULN2803A GND (pin 9)\u003c\/li\u003e\n\u003cli\u003eNo external diodes needed — flyback diodes are built in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × ULN2803A 8-Channel Darlington Array IC (DIP-18)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/uln2803a.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eULN2803A Datasheet (Texas Instruments PDF)\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674499342571,"sku":"","price":1.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ULN2803-Darlington-Transistor-Array-1.jpg?v=1723007229"},{"product_id":"stepper-motor-with-uln2003a-driver-board","title":"Stepper Motor with ULN2003A Driver Board","description":"\u003cp\u003e\u003cspan\u003eSmall unipolar stepper motor comes with a ULN2003A driver board\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eThese are small unipolar stepper motors that come with a ULN2003A driver board that work well for smaller applications such as opening and closing a vent or to experiment with stepper motors.\u003c\/p\u003e\n\u003ch2\u003ePACKAGE INCLUDES:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e28BYJ-48 unipolar stepper motor with built-in cable\u003c\/li\u003e\n\u003cli\u003eULN2003 driver board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKEY FEATURES OF STEPPER MOTOR WITH ULN2003A DRIVER BOARD:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompact size\u003c\/li\u003e\n\u003cli\u003eUnipolar \/ 4-phase operation\u003c\/li\u003e\n\u003cli\u003e5mm shaft\u003c\/li\u003e\n\u003cli\u003e64:1 gear reduction for good torque capability\u003c\/li\u003e\n\u003cli\u003e5V operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe most useful aspect of stepper motors compared to other motors is that the position of the motor shaft can be controlled directly in discrete steps without requiring some type of feedback mechanism to determine position as would be required with something like a standard DC motor.  Other benefits are that they are relatively precise in their movement, they tend to be fairly reliable since they do not use contact brushes in the motor and they generally have good torque even at stand-still which is maintained as long as power is supplied to the motor.  The main downside is that they are a bit power hungry and will consume power even when they are not moving.\u003c\/p\u003e\n\u003cp\u003eStepper motors work by converting electrical pulses into discrete increments of rotation of their shaft.  The motor is 4-phase and requires 4 control inputs.  Pulsing these inputs has several effects on the motor.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe sequence of the applied pulses determines the direction that the motor shaft turns.\u003c\/li\u003e\n\u003cli\u003eThe frequency of the input pulses determines the speed that the shaft turns.\u003c\/li\u003e\n\u003cli\u003eThe number of the input pulses determines how far the shaft turns.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe motors are model 28BYJ-48 and operate at 5VDC.  The shaft is 5mm with two flat sides.  They have a 64:1 gear reduction, so they have pretty good torque capability.\u003c\/p\u003e\n\u003cp\u003ePower draw is approximately 240mA.  Power is drawn whether the motor is turning or not in order to hold its position, so the motor will be slightly warm whenever power is applied.  Because of the fairly high power draw, it is best to power the stepper motors directly from a 5V power supply rather than drawing that power from the MCU board that is driving it.\u003c\/p\u003e\n\u003cp\u003eThe motor comes with a ULN2003A based driver board.  The ULN2003A is a 7 channel darlington transistor driver of which 4 channels are used on this board.  The board has 4 LEDs that show activity on the 4 control input lines.  It has 2 connectors for making connections as follows:\u003c\/p\u003e\n\u003ch3\u003eMotor \/ Driver Connections:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1 x 6 Header\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVDD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Connect to 5V power supply.  Due to high current draw, this should come directly from a power supply and not a microcontroller board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIN1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Digital input 1 – Connect to a digital output pin on the MCU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIN2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Digital input 2 – Connect to a digital output pin on the MCU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIN3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Digital input 3 – Connect to a digital output pin on the MCU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIN4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Digital input 4 – Connect to a digital output pin on the MCU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Connect to ground\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1 x 5 White Connector\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis is where the motor plugs into.  The connector is keyed, so it only goes in one way.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOUR EVALUATION RESULTS:\u003c\/h2\u003e\n\u003cp\u003eThese stepper motors are designed and used for small industrial applications such as opening and closing vanes.  They are a nice inexpensive way to learn about stepper motors and will work fine for many applications that don’t require absolute precision or huge torque loads.  Having the driver electronics make them straightforward to use.\u003c\/p\u003e\n\u003cp\u003eWhen using with an Arduino, the stepper.h library is built into the IDE and makes it straight forward to control stepper motors such as these.\u003c\/p\u003e\n\u003cp\u003eThe program below is a simple test program.  It moves the stepper in both directions and then allows the stepper to be controlled using a potentiometer attached to the Analog 0 pin.  Any other analog sensor could be used.  For instance, using an analog temperature sensor, the stepper could be used to open\/close vanes on an air vent to control temperature in a greenhouse.\u003c\/p\u003e\n\u003cp\u003eThe command  \u003cstrong\u003estepper(STEPS, 8, 10, 9, 11);\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis used by the stepper library to define which digital pins the motor is connected to on the Arduino.  These can be any 4 digital pins, but we use 8, 9, 10 and 11 in this example.  Note that we have these defined out of sequence based on the wiring to the motor.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIN1 = D8\u003c\/li\u003e\n\u003cli\u003eIN2 = D9\u003c\/li\u003e\n\u003cli\u003eIN3 = D10\u003c\/li\u003e\n\u003cli\u003eIN4 = D11\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe most likely issue to run into is that the stepper only runs in one direction.  That generally indicates that the wiring to the 4-phases of the motor may be different.  If that happens you can try changing the ordering of the pin assignments in that command.\u003c\/p\u003e\n\u003ch3\u003eStepper Motor with ULN2003A Test Program\u003c\/h3\u003e\n\u003cpre class=\"copy-the-code-target\"\u003e\u003cspan\u003e\/*\u003c\/span\u003e\n\u003cspan\u003e * Stepper Motor Test\u003c\/span\u003e\n\u003cspan\u003e *\u003c\/span\u003e\n\u003cspan\u003e * Run the stepper motor CW and CCW one turn to verify wiring\u003c\/span\u003e\n\u003cspan\u003e * then have the stepper motor follow the rotation of a potentiometer\u003c\/span\u003e\n\u003cspan\u003e *\/\u003c\/span\u003e\n\n\u003cspan\u003e#include\u003c\/span\u003e \u003cspan\u003e\u0026lt;\u003c\/span\u003e\u003cb\u003e\u003cspan\u003eStepper\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eh\u003c\/span\u003e\u003cspan\u003e\u0026gt;\u003c\/span\u003e\n\n\u003cspan\u003e#define\u003c\/span\u003e \u003cspan\u003eSTEPS\u003c\/span\u003e \u003cspan\u003e2048\u003c\/span\u003e   \u003cspan\u003e\/\/ change this to the number of steps on your motor\u003c\/span\u003e\n\n\u003cspan\u003e\/\/ create an instance of the stepper class with the number of steps of the motor\u003c\/span\u003e\n\u003cspan\u003e\/\/ and the pins it's attached to.  Note the odd non-sequential pin ordering\u003c\/span\u003e\n\u003cb\u003e\u003cspan\u003eStepper\u003c\/span\u003e\u003c\/b\u003e \u003cspan\u003estepper\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003eSTEPS\u003c\/span\u003e\u003cspan\u003e,\u003c\/span\u003e \u003cspan\u003e8\u003c\/span\u003e\u003cspan\u003e,\u003c\/span\u003e \u003cspan\u003e10\u003c\/span\u003e\u003cspan\u003e,\u003c\/span\u003e \u003cspan\u003e9\u003c\/span\u003e\u003cspan\u003e,\u003c\/span\u003e \u003cspan\u003e11\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n\n\u003cspan\u003eint\u003c\/span\u003e \u003cspan\u003eADCPin\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003e0\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e       \u003cspan\u003e\/\/  Analog pin that potentiometer is connected to.\u003c\/span\u003e\n\u003cspan\u003eint\u003c\/span\u003e \u003cspan\u003eprev\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003e0\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e         \u003cspan\u003e\/\/  Variable to hold the previous reading from analog input\u003c\/span\u003e\n\u003cspan\u003eint\u003c\/span\u003e \u003cspan\u003ediff\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003e0\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e         \u003cspan\u003e\/\/  Variable to hold difference between new and previous readings\u003c\/span\u003e\n\u003cspan\u003e\/\/===============================================================================\u003c\/span\u003e\n\u003cspan\u003e\/\/  Initialization\u003c\/span\u003e\n\u003cspan\u003e\/\/===============================================================================\u003c\/span\u003e\n\u003cspan\u003evoid\u003c\/span\u003e \u003cspan\u003esetup\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e \u003cspan\u003e{\u003c\/span\u003e\n  \u003cb\u003e\u003cspan\u003eSerial\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003ebegin\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e9600\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n\n  \u003cspan\u003estepper\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003esetSpeed\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e12\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e         \u003cspan\u003e\/\/ set the speed of the motor to 12 RPMs\u003c\/span\u003e\n\n  \u003cspan\u003e\/\/ Run this sequence one time to test the basic motor operation\u003c\/span\u003e\n  \u003cb\u003e\u003cspan\u003eSerial\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eprintln\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e\"counterclockwise\"\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n  \u003cspan\u003estepper\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003estep\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003eSTEPS\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e        \u003cspan\u003e\/\/ step one revolution in one direction:\u003c\/span\u003e\n  \u003cspan\u003edelay\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e500\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n\n  \u003cb\u003e\u003cspan\u003eSerial\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eprintln\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e\"clockwise\"\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n  \u003cspan\u003estepper\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003estep\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e-\u003c\/span\u003e\u003cspan\u003eSTEPS\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e         \u003cspan\u003e\/\/ step one revolution in the other direction:\u003c\/span\u003e\n  \u003cspan\u003edelay\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e500\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n\u003cspan\u003e}\u003c\/span\u003e\n\u003cspan\u003e\/\/===============================================================================\u003c\/span\u003e\n\u003cspan\u003e\/\/  Main\u003c\/span\u003e\n\u003cspan\u003e\/\/===============================================================================\u003c\/span\u003e\n\u003cspan\u003evoid\u003c\/span\u003e \u003cspan\u003eloop\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e \u003cspan\u003e{\u003c\/span\u003e\n   \n  \u003cspan\u003eint\u003c\/span\u003e \u003cspan\u003eval\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003eanalogRead\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003eADCPin\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e   \u003cspan\u003e\/\/ get the sensor value from the pot\u003c\/span\u003e\n  \n  \u003cspan\u003eval\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003eval\u003c\/span\u003e \u003cspan\u003e*\u003c\/span\u003e \u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e                  \u003cspan\u003e\/\/ADC range is 0-1023.  Double to match # steps in stepper\u003c\/span\u003e\n\n  \u003cspan\u003ediff\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003eval\u003c\/span\u003e \u003cspan\u003e-\u003c\/span\u003e \u003cspan\u003eprev\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e              \u003cspan\u003e\/\/  Calculate the difference between the readings\u003c\/span\u003e\n  \u003cspan\u003ediff\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003eabs\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003ediff\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e               \u003cspan\u003e\/\/  Convert any negative number to positive\u003c\/span\u003e\n  \u003cspan\u003eif\u003c\/span\u003e \u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003ediff\u003c\/span\u003e \u003cspan\u003e\u0026gt;\u003c\/span\u003e \u003cspan\u003e10\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e \u003cspan\u003e{\u003c\/span\u003e                \u003cspan\u003e\/\/  Look for a decent size change to ignore noise on the ADC\u003c\/span\u003e\n     \u003cspan\u003estepper\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003estep\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003eval\u003c\/span\u003e \u003cspan\u003e-\u003c\/span\u003e \u003cspan\u003eprev\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e    \u003cspan\u003e\/\/ move a number of steps equal to the change in the pot\u003c\/span\u003e\n     \u003cspan\u003eprev\u003c\/span\u003e \u003cspan\u003e=\u003c\/span\u003e \u003cspan\u003eval\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e                  \u003cspan\u003e\/\/ remember the previous value of the sensor\u003c\/span\u003e\n     \u003cb\u003e\u003cspan\u003eSerial\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eprint\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e\"Pot = \"\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e      \u003cspan\u003e\/\/ Print the ADC value we are reacting to\u003c\/span\u003e\n     \u003cb\u003e\u003cspan\u003eSerial\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eprintln\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003eval\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n  \u003cspan\u003e}\u003c\/span\u003e\n  \u003cspan\u003edelay\u003c\/span\u003e\u003cspan\u003e(\u003c\/span\u003e\u003cspan\u003e100\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cspan\u003e;\u003c\/span\u003e\n\u003cspan\u003e}\u003c\/span\u003e\n\u003cbutton class=\"copy-the-code-button\" data-style=\"svg-icon\" title=\"Copy\"\u003e\u003csvg aria-hidden=\"true\" role=\"img\" class=\"copy-icon\" viewbox=\"0 0 16 16\" width=\"16\" height=\"16\" fill=\"currentColor\" focusable=\"false\"\u003e\u003cpath d=\"M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 0 1 0 1.5h-1.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-1.5a.75.75 0 0 1 1.5 0v1.5A1.75 1.75 0 0 1 9.25 16h-7.5A1.75 1.75 0 0 1 0 14.25Z\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0 1 14.25 11h-7.5A1.75 1.75 0 0 1 5 9.25Zm1.75-.25a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/button\u003e\u003c\/pre\u003e\n\u003ch2\u003eBEFORE THEY ARE SHIPPED, THESE MOTORS ARE:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSample inspected and tested per incoming shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNotes: \u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ci\u003eNone\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable class=\"table table-hover\" width=\"778\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003eMotor Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e28BYJ-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003eOperating Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e Voltage\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e Current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e240mA (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e \u003cstrong\u003eNumber of phases\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e \u003cstrong\u003eGear Reduction Ratio\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e64:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e \u003cstrong\u003eDimensions\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e Cable Length\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e 24cm  (9.5″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e Motor Housing Diameter\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e28mm (1.1″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e Motor Height (minus shaft)\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e20mm (0.8″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eMotor Housing with Mounting Ears\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e42mm (1.7″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eShaft diameter\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5mm (3mm on flat sides)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eShaft length\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eDriver Board (L x W)\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e25 x 18mm (1 x 0.7″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!----\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45681606263019,"sku":"","price":7.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Stepper-Motor-with-ULN2003A-Driver-1.jpg?v=1722237689"},{"product_id":"5pcs-irf3607pbf-irf3607-to-220-n-channel-mosfet-fet","title":"5PCS IRF3607PBF IRF3607 TO-220 N-Channel MOSFET FET","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S677ea41f808b44279a45ad0c642205e2R.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\c59475a0801d489db2e07c4c9939cc8c\\dImgNew\\DImgNew2_ancwrkcw.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\c59475a0801d489db2e07c4c9939cc8c\\dImgNew\\DImgNew3_ancwrkcw.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\c59475a0801d489db2e07c4c9939cc8c\\dImgNew\\DImgNew4_ncgbzggx.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985493250283,"sku":"\u003cnone\u003e","price":18.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf3607pbf-to220-n-channel-mosfet.webp?v=1761288360"},{"product_id":"2pcs-hyg006n04ls1ta-n-channel-mosfet-40v-600a-smd-patch-ic","title":"2PCS HYG006N04LS1TA N-Channel MOSFET 40V 600A SMD Patch IC","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S677ea41f808b44279a45ad0c642205e2R.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\7fa761fdcf6d419880138fbdf0af6aa3\\dImgNew\\DImgNew2_9kx560o6.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\7fa761fdcf6d419880138fbdf0af6aa3\\dImgNew\\DImgNew3_9kx560o6.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\7fa761fdcf6d419880138fbdf0af6aa3\\dImgNew\\DImgNew4_9kx560o6.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985496756459,"sku":"\u003cnone\u003e","price":19.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/hyg006n04ls1ta-n-channel-mosfet-40v-600a.webp?v=1761285937"},{"product_id":"slp740c-n-channel-mosfet-to-220-400v-10-5a-5pcs","title":"SLP740C N-Channel MOSFET TO-220 400V 10.5A 5PCS | High-Voltage Power Switching","description":"\u003ch2\u003eSLP740C N-Channel MOSFET — TO-220, 400V 10.5A (5PCS)\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSLP740C\u003c\/strong\u003e is a high-voltage N-channel power MOSFET in the industry-standard TO-220 through-hole package, rated at \u003cstrong\u003e400V drain-source voltage (VDS)\u003c\/strong\u003e and \u003cstrong\u003e10.5A continuous drain current (ID)\u003c\/strong\u003e. Designed for demanding power switching applications including switch-mode power supplies (SMPS), motor drivers, inverters, and industrial power electronics where high blocking voltage and reliable switching performance are critical. The TO-220 package provides excellent thermal dissipation when mounted to a heatsink, enabling sustained high-power operation.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSLP740C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eN-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTO-220 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrain-Source Voltage (VDS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Drain Current (ID)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGate-Source Voltage (VGS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±20V (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew, original\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5PCS per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTO-220 Pin Configuration\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin 1 (left)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGate (G)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin 2 (centre)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrain (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin 3 (right)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSource (S)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTab\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrain (D) — connected to heatsink\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy N-Channel MOSFETs for High-Voltage Switching?\u003c\/h3\u003e\n\u003cp\u003eN-channel MOSFETs are the preferred choice for power switching applications because:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower RDS(on)\u003c\/strong\u003e — N-channel devices have lower on-resistance than equivalent P-channel devices, reducing conduction losses\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigher electron mobility\u003c\/strong\u003e — faster switching speeds for high-frequency SMPS applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh voltage blocking\u003c\/strong\u003e — 400V VDS provides adequate margin above 230VAC mains peak voltage (~325V) for mains-connected power supplies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTO-220 thermal performance\u003c\/strong\u003e — the metal tab allows direct heatsink mounting for sustained high-power operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e400V VDS rating\u003c\/strong\u003e — suitable for mains-connected SMPS and high-voltage DC bus applications\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e10.5A continuous drain current\u003c\/strong\u003e — handles substantial load currents in power switching circuits\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eTO-220 package\u003c\/strong\u003e — industry-standard through-hole package, heatsink-mountable for high-power operation\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eN-channel enhancement mode\u003c\/strong\u003e — normally off, gate-voltage controlled for reliable digital switching\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e5PCS pack\u003c\/strong\u003e — cost-effective for prototyping and small production runs\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eNew original parts\u003c\/strong\u003e — genuine SLP740C, not remarked or counterfeit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSwitch-mode power supply (SMPS) primary switching transistor\u003c\/li\u003e\n  \u003cli\u003eFlyback converter power switch\u003c\/li\u003e\n  \u003cli\u003eDC motor driver high-side and low-side switching\u003c\/li\u003e\n  \u003cli\u003eInverter and UPS power stage\u003c\/li\u003e\n  \u003cli\u003eElectronic ballast for fluorescent and HID lamps\u003c\/li\u003e\n  \u003cli\u003eInduction heater power switching\u003c\/li\u003e\n  \u003cli\u003eSolar inverter power stage\u003c\/li\u003e\n  \u003cli\u003eHigh-voltage DC-DC converter switching element\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHeatsink Mounting Notes\u003c\/h3\u003e\n\u003cp\u003eFor sustained operation near rated current, mount the SLP740C to an appropriate heatsink using:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal interface material (thermal pad or thermal paste) between the TO-220 tab and heatsink\u003c\/li\u003e\n  \u003cli\u003eAn insulating mica or silicone pad if the heatsink is at a different potential than the drain\u003c\/li\u003e\n  \u003cli\u003eAn M3 screw and nut to secure the device to the heatsink\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What gate drive voltage does the SLP740C require?\u003c\/strong\u003e\u003cbr\u003eA: The SLP740C is a logic-level or standard gate drive MOSFET. Refer to the datasheet for the specific VGS(th) threshold voltage and recommended gate drive voltage for full enhancement. Typical gate drive is 10–15V for full RDS(on) performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this in a 230VAC mains-connected circuit?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 400V VDS rating provides adequate margin above the 230VAC mains peak voltage (~325V peak). Always include appropriate snubber circuits and gate drive protection in mains-connected designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum junction temperature?\u003c\/strong\u003e\u003cbr\u003eA: Refer to the SLP740C datasheet for TJ(max). Most TO-220 power MOSFETs are rated to 150°C junction temperature. Ensure adequate heatsinking to keep TJ well below this limit in continuous operation.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5× SLP740C N-Channel MOSFET TO-220 (400V 10.5A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985499279595,"sku":"\u003cnone\u003e","price":16.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/slp740c-n-channel-mosfet-to220-400v-10-5a.webp?v=1761284124"},{"product_id":"5pcs-irf3703pbf-high-current-n-channel-mosfet-to-220-210a-30v","title":"5PCS IRF3703PBF High-Current N-Channel MOSFET TO-220 210A 30V","description":"\u003ch2\u003eIRF3703PBF N-Channel Power MOSFET — TO-220, 30V, 210A, 3.3mΩ — 5-Pack\u003c\/h2\u003e\n\n\u003cp\u003eThe IRF3703PBF is an International Rectifier (Infineon) N-channel power MOSFET in TO-220 package, rated at 30V drain-source voltage (VDSS) and 210A continuous drain current (ID) at 25°C case temperature. With an ultra-low on-resistance of 3.3mΩ (Rds(on) at VGS = 10V), it is optimised for high-current, low-voltage switching applications including synchronous rectification, DC motor drives, battery management systems, and high-efficiency DC-DC converters. The PBF suffix indicates lead-free (RoHS-compliant) construction.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eIRF3703PBF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eInternational Rectifier \/ Infineon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-220 (through-hole, tab mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Type\u003c\/td\u003e\n\u003ctd\u003eN-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (VDSS)\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (ID)\u003c\/td\u003e\n\u003ctd\u003e210A @ TC = 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulsed Drain Current (IDM)\u003c\/td\u003e\n\u003ctd\u003e840A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance (Rds(on))\u003c\/td\u003e\n\u003ctd\u003e3.3mΩ @ VGS = 10V, ID = 75A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (VGS(th))\u003c\/td\u003e\n\u003ctd\u003e2.0V – 4.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate-Source Voltage (VGS)\u003c\/td\u003e\n\u003ctd\u003e±20V max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Gate Charge (Qg)\u003c\/td\u003e\n\u003ctd\u003e170nC (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRise Time (tr)\u003c\/td\u003e\n\u003ctd\u003e130ns (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFall Time (tf)\u003c\/td\u003e\n\u003ctd\u003e96ns (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation (PD)\u003c\/td\u003e\n\u003ctd\u003e200W @ TC = 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature (TJ)\u003c\/td\u003e\n\u003ctd\u003e−55°C to +175°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Diode Forward Voltage (VSD)\u003c\/td\u003e\n\u003ctd\u003e1.3V (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoHS\u003c\/td\u003e\n\u003ctd\u003eYes (PBF = lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous Rectification:\u003c\/strong\u003e Low-side synchronous rectifier in DC-DC buck converters (12V’3.3V, 12V‘1.8V) for server power supplies and VRM modules, replacing Schottky diodes for higher efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Current DC Motor Drives:\u003c\/strong\u003e H-bridge and half-bridge motor driver circuits for DC motors up to 30V \/ 100A+ in electric vehicles, forklifts, and industrial automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Management Systems (BMS):\u003c\/strong\u003e High-current discharge MOSFET in 24V Li-ion and LiFePO4 BMS for power tools, e-bikes, and energy storage systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOR-ing \u0026amp; Load Switching:\u003c\/strong\u003e High-current load switch and OR-ing diode replacement in redundant power supply systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelding Machine Control:\u003c\/strong\u003e Primary switching element in inverter-based MIG and MMA welding machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Distribution Units:\u003c\/strong\u003e High-current switch for 12V–24V power distribution in automotive and industrial PDUs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGate Drive Requirements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully enhanced at VGS = 10V — use a gate driver IC (e.g., IR2104, TC4420, UCC27524) for fast switching\u003c\/li\u003e\n\u003cli\u003eLogic-level enhancement begins at VGS ≈ 4V — not recommended for direct 3.3V logic drive without a gate driver\u003c\/li\u003e\n\u003cli\u003eTotal gate charge 170nC — gate driver must supply sufficient peak current for target switching frequency\u003c\/li\u003e\n\u003cli\u003eAdd a gate resistor (10–22Ω) in series with the gate to control dV\/dt and suppress ringing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between IRF3703 and IRF3703PBF?\u003c\/strong\u003e\u003cbr\u003eA: The PBF suffix indicates lead-free (Pb-free) solder plating on the leads, compliant with RoHS Directive 2011\/65\/EU. Electrically, the IRF3703 and IRF3703PBF are identical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the IRF3703PBF for 24V battery systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 30V VDSS rating provides adequate margin for 24V nominal systems (fully charged 7S Li-ion = 29.4V). For 24V LiFePO4 (8S, fully charged = 29.2V), the 30V rating is at the limit — consider a 40V-rated MOSFET (e.g., IRF3710) for additional safety margin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this MOSFET require a heatsink?\u003c\/strong\u003e\u003cbr\u003eA: At high currents (\u0026gt;50A), a heatsink is required. The TO-220 tab is electrically connected to the drain. Use an insulating pad (e.g., TO-220 mica or silicone pad) if the heatsink is grounded.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 × IRF3703PBF N-Channel Power MOSFET TO-220\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985499377899,"sku":"\u003cnone\u003e","price":18.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf3703pbf-n-channel-mosfet-to220-210a-30v.webp?v=1761283863"},{"product_id":"2sk3878-to-3p-high-power-switch-transistor-for-electric-welding-machines","title":"2SK3878 TO-3P High-Power Switch Transistor for Electric Welding Machines","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S98d4e77fa91f4844a95c037c2a94b7fct.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\0c94108bcb584ecdb612ebac1fa69e6d\\dImgNew\\DImgNew2_tdpo0vs8.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S45216676bc53492aa006c150995a74a48.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\0c94108bcb584ecdb612ebac1fa69e6d\\dImgNew\\DImgNew3_tdpo0vs8.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sbb7821d74dc644dcb860543867f87c7d2.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\0c94108bcb584ecdb612ebac1fa69e6d\\dImgNew\\DImgNew4_73w4hvy9.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfb3e708ce5554576a7f71062759b4d44J.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\0c94108bcb584ecdb612ebac1fa69e6d\\dImgNew\\DImgNew5_73w4hvy9.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\0c94108bcb584ecdb612ebac1fa69e6d\\dImgNew\\DImgNew6_1gdb0zor.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\0c94108bcb584ecdb612ebac1fa69e6d\\dImgNew\\DImgNew7_1gdb0zor.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985503408363,"sku":"\u003cnone\u003e","price":16.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/2sk3878-to-3p-high-power-switch-transistor.webp?v=1761280037"},{"product_id":"5pcs-irlz44n-to-220-n-channel-mosfet-60v-50a-power-transistor","title":"5PCS IRLZ44N TO-220 N-Channel MOSFET 60V 50A Power Transistor","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3b8f8e71a6324301a511c5f1f4a84ab1I.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4be7d4c5eeac4ddc961821f0fff6e0b3k.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Scbd14c4cd2954aa28b75eadabb38ff2fZ.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S677ea41f808b44279a45ad0c642205e2R.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985507569899,"sku":"\u003cnone\u003e","price":14.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irlz44n-to220-n-channel-mosfet-60v-50a.webp?v=1761278675"},{"product_id":"2pcs-irfp260n-to-247-n-channel-mosfet-200v-50a-power-transistor","title":"2PCS IRFP260N TO-247 N-Channel MOSFET 200V 50A Power Transistor","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4c2b602484c84db18ae6341955ce4857e.png\" style=\"width:750px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\3b4b07141ba844d1994edcbc4380c07d\\dImgNew\\DImgNew2_vg7crab3.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb7d68c5c39634178a956e16d3b1cea0aa.png\" style=\"width:750px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\3b4b07141ba844d1994edcbc4380c07d\\dImgNew\\DImgNew3_vg7crab3.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa4c0a680ed624bbcbb62c82bd20ceee27.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\3b4b07141ba844d1994edcbc4380c07d\\dImgNew\\DImgNew4_96crzah4.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4c2450c070f648039420dbe9d845c441f.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\3b4b07141ba844d1994edcbc4380c07d\\dImgNew\\DImgNew5_96crzah4.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sbc794dfae5cf4767b9b92a29775d9135N.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\3b4b07141ba844d1994edcbc4380c07d\\dImgNew\\DImgNew6_3guyrd8m.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\3b4b07141ba844d1994edcbc4380c07d\\dImgNew\\DImgNew7_3guyrd8m.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\3b4b07141ba844d1994edcbc4380c07d\\dImgNew\\DImgNew8_3guyrd8m.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985507733739,"sku":"\u003cnone\u003e","price":26.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irfp260n-to247-n-channel-mosfet-200v-50a.webp?v=1761278538"},{"product_id":"3pcs-ucc24612-ucc24650-ucc27517-19-ucc27533-sot-23-5-mosfet-driver-ics","title":"3PCS UCC24612 \/ UCC24650 \/ UCC27517-19 \/ UCC27533 SOT-23-5 MOSFET Driver ICs","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S939028654a81453895e168954960d3236.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sc3e1d99c1ebc4c868e61da356cd2c75e6.jpg\"\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf15499fe3e7045bdb95245be60bf0b20c.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sb9bcabae75104a08b25d380ef10b05eck.jpg\"\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e \n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"UCC27517DBVR","offer_id":46985507930347,"sku":"14:4044226#UCC27517DBVR","price":8.68,"currency_code":"USD","in_stock":true},{"title":"UCC27518DBVR","offer_id":46985507963115,"sku":"14:201659813#UCC27518DBVR","price":25.92,"currency_code":"USD","in_stock":true},{"title":"UCC27519DBVR","offer_id":46985507995883,"sku":"14:10#UCC27519DBVR","price":18.24,"currency_code":"USD","in_stock":true},{"title":"UCC27533DBVR","offer_id":46985508028651,"sku":"14:29#UCC27533DBVR","price":26.12,"currency_code":"USD","in_stock":true},{"title":"UCC24650DBVR","offer_id":46985508061419,"sku":"14:351074#UCC24650DBVR","price":18.48,"currency_code":"USD","in_stock":true},{"title":"UCC24612-1DBVR","offer_id":46985508094187,"sku":"14:1202#UCC24612-1DBVR","price":12.92,"currency_code":"USD","in_stock":true},{"title":"UCC24612-2DBVR","offer_id":46985508126955,"sku":"14:350852#UCC24612-2DBVR","price":18.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ucc24612-ucc27517-19-ucc27533-sot23-5-mosfet-driver-ics.webp?v=1761278285"},{"product_id":"5pcs-irlz34n-to-220-n-channel-mosfet-power-transistor","title":"5PCS IRLZ34N TO-220 N-Channel MOSFET Power Transistor","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S677ea41f808b44279a45ad0c642205e2R.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\204f541cc0bf4250a4e52b7d6e9110cb\\dImgNew\\DImgNew2_un2eolgq.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\204f541cc0bf4250a4e52b7d6e9110cb\\dImgNew\\DImgNew3_un2eolgq.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\204f541cc0bf4250a4e52b7d6e9110cb\\dImgNew\\DImgNew4_8c9twlpr.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985509044459,"sku":"\u003cnone\u003e","price":14.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irlz34n-to220-n-channel-mosfet.webp?v=1761278045"},{"product_id":"5pcs-ao4447-ao4449-ao4466-ao4266-ao4478-ao4712-ao4806-ao4813-ao4838-ao4842-sop-8-p-channel-mosfet-ics","title":"5PCS AO4447 \/ AO4449 \/ AO4466 \/ AO4266 \/ AO4478 \/ AO4712 \/ AO4806 \/ AO4813 \/ AO4838 \/ AO4842 SOP-8 P-Channel MOSFET ICs","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S08b0d17dce0b4fa18e78e2f12e1846eb6.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S3ee602481a3c4617983bac128c01c8f6W.jpg\"\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8b49fa93d93a431a8a85e6671ec661b4N.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S14a1d6ce66d34ab3b13d3a7486c016a64.jpg\"\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e \n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"AO4449","offer_id":46985520611563,"sku":"14:350852#AO4449","price":8.28,"currency_code":"USD","in_stock":true},{"title":"AO4447","offer_id":46985520644331,"sku":"14:1202#AO4447","price":7.28,"currency_code":"USD","in_stock":true},{"title":"AO4712","offer_id":46985520677099,"sku":"14:10#AO4712","price":8.52,"currency_code":"USD","in_stock":true},{"title":"AO4478","offer_id":46985520709867,"sku":"14:201659813#AO4478","price":8.2,"currency_code":"USD","in_stock":true},{"title":"AO4266","offer_id":46985520742635,"sku":"14:4044226#AO4266","price":9.52,"currency_code":"USD","in_stock":true},{"title":"AO4466","offer_id":46985520775403,"sku":"14:351074#AO4466","price":21.76,"currency_code":"USD","in_stock":true},{"title":"AO4842","offer_id":46985520808171,"sku":"14:175#AO4842","price":7.4,"currency_code":"USD","in_stock":true},{"title":"AO4838","offer_id":46985520840939,"sku":"14:173#AO4838","price":21.76,"currency_code":"USD","in_stock":true},{"title":"AO4813","offer_id":46985520873707,"sku":"14:94#AO4813","price":23.8,"currency_code":"USD","in_stock":true},{"title":"AO4806","offer_id":46985520906475,"sku":"14:29#AO4806","price":7.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ao4447-ao4842-sop8-p-channel-mosfet.webp?v=1761277657"},{"product_id":"irfz44n-to-220-n-channel-mosfet-55v-49a-field-effect-transistor","title":"IRFZ44N TO-220 N-Channel MOSFET 55V 49A Field Effect Transistor","description":"\u003ch2\u003eIRFZ44N TO-220 N-Channel Power MOSFET — 55V \/ 49A \/ 17.5mΩ\u003c\/h2\u003e\n\n\u003cp\u003eThe IRFZ44N is a popular N-channel power MOSFET in TO-220 package, widely used in hobbyist and professional power electronics for its combination of moderate current rating (49A), low on-resistance (17.5mΩ), and near-logic-level gate threshold voltage — making it easier to drive from 5V microcontroller circuits than higher-threshold MOSFETs like the IRF3205. It is one of the most commonly specified MOSFETs in Arduino motor control, PWM dimmer, and switching power supply projects.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in 5-piece or 10-piece packs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e IRFZ44N \/ IRFZ44NPBF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Type:\u003c\/strong\u003e N-Channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-220 (through-hole, tab = Drain)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain-Source Voltage (Vds):\u003c\/strong\u003e 55V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Drain Current (Id):\u003c\/strong\u003e 49A @ 25°C (35A @ 100°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-Resistance Rds(on):\u003c\/strong\u003e 17.5mΩ @ Vgs=10V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGate Threshold Voltage (Vgs(th)):\u003c\/strong\u003e 2V – 4V (logic-level compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Gate Charge (Qg):\u003c\/strong\u003e 180nC @ Vgs=10V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e 94W (with heatsink)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Diode Forward Voltage:\u003c\/strong\u003e 1.4V @ 25A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −55°C to +175°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 5 or 10 pieces (select variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTO-220 Pinout\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 (left):\u003c\/strong\u003e Gate (G)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 (center):\u003c\/strong\u003e Drain (D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 (right):\u003c\/strong\u003e Source (S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTab (metal):\u003c\/strong\u003e Drain (D) — use insulating pad when mounting to grounded heatsink\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGate Drive from Arduino \/ 5V MCU\u003c\/h3\u003e\n\u003cp\u003eThe IRFZ44N has a gate threshold of 2–4V, meaning it begins to turn on at ~2V and is partially enhanced at 5V. However, for full Rds(on) = 17.5mΩ, Vgs = 10V is required. For Arduino PWM motor control at moderate currents (≤10A), 5V gate drive is often acceptable with the understanding that Rds(on) will be higher (~30–50mΩ at Vgs=5V).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor currents ≤10A:\u003c\/strong\u003e Direct Arduino GPIO drive (5V) is workable for low-frequency PWM (≤1kHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor currents \u0026gt;10A or high-frequency PWM:\u003c\/strong\u003e Use a gate driver IC (IR2104, TC4420, UCC27524) to achieve 10V Vgs and fast switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGate resistor:\u003c\/strong\u003e Add 10–22Ω series gate resistor to limit switching speed and reduce ringing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlyback diode:\u003c\/strong\u003e Always add a flyback diode (1N4007 or Schottky) across inductive loads (motors, solenoids, relays)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino PWM Motor Control Wiring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGate (G, pin 1) → Arduino PWM pin (via 10Ω–100Ω resistor)\u003c\/li\u003e\n\u003cli\u003eDrain (D, pin 2) → Motor negative terminal\u003c\/li\u003e\n\u003cli\u003eSource (S, pin 3) → GND\u003c\/li\u003e\n\u003cli\u003eMotor positive terminal → 12V supply\u003c\/li\u003e\n\u003cli\u003eFlyback diode: cathode to 12V, anode to motor negative terminal (across motor)\u003c\/li\u003e\n\u003cli\u003eAdd 10kΩ pull-down resistor from Gate to Source to ensure MOSFET is OFF when Arduino pin is floating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIRFZ44N vs. IRF3205 vs. IRF540N\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRFZ44N:\u003c\/strong\u003e 55V, 49A, 17.5mΩ, Vgs(th) 2–4V. Best for Arduino\/5V MCU projects at moderate current. Easier to drive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRF3205:\u003c\/strong\u003e 55V, 110A, 8mΩ, Vgs(th) 2–4V. Higher current, lower Rds(on). Better for high-current inverters and motor drives. Requires 10V gate drive for full performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRF540N:\u003c\/strong\u003e 100V, 33A, 44mΩ. Higher voltage rating for 48V–72V bus applications. Higher Rds(on).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino PWM DC motor speed control (12V motors up to 10–20A)\u003c\/li\u003e\n\u003cli\u003ePWM LED dimmer (12V\/24V LED strips, high-power LEDs)\u003c\/li\u003e\n\u003cli\u003eSolenoid and relay driver (12V\/24V coils)\u003c\/li\u003e\n\u003cli\u003eLow-side switch for 12V\/24V loads controlled by microcontroller\u003c\/li\u003e\n\u003cli\u003eDC-DC buck converter low-side switch\u003c\/li\u003e\n\u003cli\u003eBattery discharge switch in BMS circuits\u003c\/li\u003e\n\u003cli\u003eElectronic load (constant current sink for battery testing)\u003c\/li\u003e\n\u003cli\u003eH-bridge motor driver (low-side N-channel, paired with P-channel high-side)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 or 10 × IRFZ44N TO-220 N-channel power MOSFET (quantity as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"10PCS","offer_id":46985523462379,"sku":"14:351074#10PCS","price":21.72,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":46985523495147,"sku":"14:350852#5PCS","price":15.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irfz44n-to220-n-channel-mosfet-55v-49a.webp?v=1761275430"},{"product_id":"10pcs-ao4441-ao4606-ao4892-p-channel-mosfet-ics-smd-sop-8-integrated-chip","title":"10PCS AO4441 AO4606 AO4892 P-Channel MOSFET ICs SMD SOP-8 Integrated Chip","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAO4441 AO4606 AO4892 4441 4606 4892\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSOP-8\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eQuantity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e20\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S561dc80ffc3749289509a8eb5c200e784.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n \u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S561dc80ffc3749289509a8eb5c200e784.jpg\"\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sab55a26ce03a4854b49f4dd93f34e9a6i.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sab55a26ce03a4854b49f4dd93f34e9a6i.jpg\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Keszoox","offers":[{"title":"AO4441","offer_id":46985525756139,"sku":"14:1202#AO4441","price":10.8,"currency_code":"USD","in_stock":true},{"title":"AO4606","offer_id":46985525788907,"sku":"14:350852#AO4606","price":7.52,"currency_code":"USD","in_stock":true},{"title":"AO4892","offer_id":46985525821675,"sku":"14:351074#AO4892","price":11.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ao4441-ao4606-ao4892-p-channel-mosfet-smd-sop8.webp?v=1761274811"},{"product_id":"5pcs-irf840pbf-to-220-n-channel-mosfet-500v-8a-inline-fet-irf840-to-220","title":"5PCS IRF840PBF TO-220 N-Channel MOSFET 500V 8A Inline FET IRF840 TO-220","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S51217915ddb649bfbc4594368934949aq.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\4e9000a03c774265b7d8bde8baf1f382\\dImgNew\\DImgNew2_wu8k1ifi.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S677ea41f808b44279a45ad0c642205e2R.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\4e9000a03c774265b7d8bde8baf1f382\\dImgNew\\DImgNew3_wu8k1ifi.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\4e9000a03c774265b7d8bde8baf1f382\\dImgNew\\DImgNew4_0gdz9hlg.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\4e9000a03c774265b7d8bde8baf1f382\\dImgNew\\DImgNew5_0gdz9hlg.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985527329003,"sku":"\u003cnone\u003e","price":11.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf840pbf-to220-n-channel-mosfet-500v-8a.webp?v=1761273983"},{"product_id":"10pcs-irf3205-to-220-n-channel-mosfet-55v-110a-for-inverter-applications","title":"10PCS IRF3205 TO-220 N-Channel MOSFET 55V 110A for Inverter Applications","description":"\u003ch2\u003eIRF3205 TO-220 N-Channel Power MOSFET — 55V \/ 110A \/ 8mΩ, 10 Pieces\u003c\/h2\u003e\n\n\u003cp\u003eThe IRF3205 is one of the most widely used N-channel power MOSFETs in power electronics, combining an exceptionally low on-resistance of 8mΩ with a 110A continuous drain current rating in the standard TO-220 through-hole package. Originally from International Rectifier (now Infineon), the IRF3205 is the go-to device for high-current low-side switching in inverters, motor H-bridges, synchronous buck converters, and battery management systems.\u003c\/p\u003e\n\n\u003cp\u003e10 pieces per pack. New, original parts.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e IRF3205 \/ IRF3205PBF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Type:\u003c\/strong\u003e N-Channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-220 (through-hole, tab = Drain)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain-Source Voltage (Vds):\u003c\/strong\u003e 55V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Drain Current (Id):\u003c\/strong\u003e 110A @ 25°C (75A @ 100°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-Resistance Rds(on):\u003c\/strong\u003e 8mΩ @ Vgs=10V (one of the lowest in TO-220 class)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGate Threshold Voltage (Vgs(th)):\u003c\/strong\u003e 2V – 4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Gate Charge (Qg):\u003c\/strong\u003e 110nC @ Vgs=10V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e 200W (with heatsink)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Diode Forward Voltage:\u003c\/strong\u003e 1.3V @ 55A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −55°C to +175°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTO-220 Pinout\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 (left):\u003c\/strong\u003e Gate (G)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 (center):\u003c\/strong\u003e Drain (D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 (right):\u003c\/strong\u003e Source (S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTab (metal):\u003c\/strong\u003e Drain (D) — electrically connected to pin 2; use insulating pad when mounting to grounded heatsink\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGate Drive Requirements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull enhancement:\u003c\/strong\u003e Vgs = 10V — achieves rated 8mΩ Rds(on)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic-level operation:\u003c\/strong\u003e Vgs = 4.5V — partially enhanced; Rds(on) increases to ~15–20mΩ. Not recommended for high-current applications without full 10V gate drive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino\/5V MCU:\u003c\/strong\u003e Use a gate driver IC (e.g., IR2104, TC4420, UCC27524) or NPN transistor gate drive circuit to achieve 10V Vgs from 5V logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGate resistor:\u003c\/strong\u003e Add 10–22Ω series gate resistor to limit switching speed and reduce EMI\/ringing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThermal Management\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAt currents above 20A, a heatsink is required. TO-220 thermal resistance junction-to-case: 0.75°C\/W\u003c\/li\u003e\n\u003cli\u003eApply thermal compound between MOSFET tab and heatsink surface\u003c\/li\u003e\n\u003cli\u003eUse insulating mica or silicone pad if heatsink is grounded (tab = Drain, not GND)\u003c\/li\u003e\n\u003cli\u003eAt 110A continuous, power dissipation = I² × Rds(on) = 110² × 0.008 = 96.8W — requires substantial heatsinking\u003c\/li\u003e\n\u003cli\u003eFor practical circuits, derate to 50–60A continuous with adequate heatsinking for reliable long-term operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIRF3205 vs. IRFZ44N vs. IRF540N\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRF3205:\u003c\/strong\u003e 55V, 110A, 8mΩ — highest current, lowest Rds(on) in 55V class. Best for high-current inverters and motor drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRFZ44N:\u003c\/strong\u003e 55V, 49A, 17.5mΩ — lower current, higher Rds(on). Logic-level gate threshold (Vgs(th) = 2–4V). Better for lower-current applications with 5V gate drive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRF540N:\u003c\/strong\u003e 100V, 33A, 44mΩ — higher voltage rating, lower current. For 48V–72V bus applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplementary P-Channel Pair\u003c\/h3\u003e\n\u003cp\u003eThe complementary P-channel MOSFET for H-bridge designs is the \u003cstrong\u003eIRF4905\u003c\/strong\u003e (55V, 74A, 20mΩ). Together, IRF3205 (low-side N-channel) + IRF4905 (high-side P-channel) form a matched complementary pair for full H-bridge motor driver circuits.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-AC Inverter:\u003c\/strong\u003e Low-side switching in 12V\/24V to 220V push-pull or H-bridge inverter (paired with SG3525A PWM controller)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-Bridge Motor Driver:\u003c\/strong\u003e Low-side N-channel switches in full H-bridge for bidirectional DC motor control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous Buck Converter:\u003c\/strong\u003e Low-side synchronous rectifier in high-current DC-DC converter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Management System (BMS):\u003c\/strong\u003e Discharge MOSFET in lithium battery pack protection circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Load:\u003c\/strong\u003e Linear or PWM-controlled current sink for battery testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar MPPT Charge Controller:\u003c\/strong\u003e Low-side switch in buck converter power stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Current Load Switch:\u003c\/strong\u003e 12V\/24V power rail switching for industrial equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × IRF3205 TO-220 N-channel power MOSFET\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985532145899,"sku":"\u003cnone\u003e","price":17.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf3205-to220-n-channel-mosfet.webp?v=1761202293"},{"product_id":"2pcs-fga25n120-igbt-power-transistor-to-3p-for-induction-cooker","title":"2PCS FGA25N120 IGBT Power Transistor TO-3P for Induction Cooker","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTO-3P\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"FGA25N120","offer_id":46985540305131,"sku":"14:1202#FGA25N120","price":14.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/fga25n120-igbt-power-transistor-to3p.webp?v=1761200763"},{"product_id":"5pcs-cja03n10-smt-sot-89-mosfet-field-effect-transistor","title":"5PCS CJA03N10 SMT SOT-89 MOSFET Field-Effect Transistor","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4c2152f4eda14578bcea10e959be5852l.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sea2ef31ba3b9434fbf2cf1e0c6721acc1.jpg\"\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S92c3d02fde43419ab14f8499b343dc3bc.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sd2776ab4bf42402f9427ec7d6c9bdf39d.jpg\"\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e \n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"CJA03N10","offer_id":46985540403435,"sku":"14:1202#CJA03N10","price":7.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cja03n10-smt-sot89-mosfet.webp?v=1761200722"},{"product_id":"5pcs-irlz44n-n-channel-mosfet-to-220-in-line-package","title":"5PCS IRLZ44N N-Channel MOSFET TO-220 In-Line Package","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3b8f8e71a6324301a511c5f1f4a84ab1I.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4be7d4c5eeac4ddc961821f0fff6e0b3k.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Scbd14c4cd2954aa28b75eadabb38ff2fZ.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S677ea41f808b44279a45ad0c642205e2R.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985543745771,"sku":"\u003cnone\u003e","price":13.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irlz44n-n-channel-mosfet-to220.webp?v=1761198838"},{"product_id":"5pcs-bs170-bs107-bs208-bs250-n-channel-mosfet-to-92-package","title":"5PCS BS170\/BS107\/BS208\/BS250 N-Channel MOSFET TO-92 Package","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTO-92\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Keszoox","offers":[{"title":"BS107","offer_id":46985544892651,"sku":"14:1202#BS107","price":12.84,"currency_code":"USD","in_stock":true},{"title":"BS170","offer_id":46985544925419,"sku":"14:350852#BS170","price":8.0,"currency_code":"USD","in_stock":true},{"title":"BS208","offer_id":46985544958187,"sku":"14:351074#BS208","price":18.2,"currency_code":"USD","in_stock":true},{"title":"BS250","offer_id":46985544990955,"sku":"14:4044226#BS250","price":11.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/bs170-bs107-bs208-bs250-mosfet-to92.webp?v=1761198483"},{"product_id":"5pcs-hy1804d-n-channel-mosfet-to-252-40v-80a","title":"5PCS HY1804D N-Channel MOSFET TO-252 40V 80A","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scfe2534361b442cfb2370282ee8bef7fG.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\39ef28ffde0b44f5832378e9248a208c\\dImgNew\\DImgNew2_6svz19o9.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\39ef28ffde0b44f5832378e9248a208c\\dImgNew\\DImgNew3_6svz19o9.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\39ef28ffde0b44f5832378e9248a208c\\dImgNew\\DImgNew4_6svz19o9.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985545875691,"sku":"\u003cnone\u003e","price":11.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/hy1804d-n-channel-mosfet-to252.webp?v=1761198315"},{"product_id":"irlr-series-n-channel-mosfet-to-252-irlr2905z-irlr3110z-irlr3114z-irlr3705z-irlr3711z-irlr3714z-irlr3715z-irlr7807z-power-transistor-collection","title":"IRLR Series N-Channel MOSFET TO-252 | IRLR2905Z IRLR3110Z IRLR3114Z IRLR3705Z IRLR3711Z IRLR3714Z IRLR3715Z IRLR7807Z Power Transistor Collection","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTO-252\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"IRLR3711Z 5pcs","offer_id":46985555673323,"sku":"14:201659813#IRLR3711Z","price":14.32,"currency_code":"USD","in_stock":true},{"title":"IRLR3110Z 5pcs","offer_id":46985555706091,"sku":"14:350852#IRLR3110Z","price":12.28,"currency_code":"USD","in_stock":true},{"title":"IRLR3114Z 5pcs","offer_id":46985555738859,"sku":"14:351074#IRLR3114Z","price":11.48,"currency_code":"USD","in_stock":true},{"title":"IRLR2905Z 5pcs","offer_id":46985555771627,"sku":"14:1202#IRLR2905Z","price":10.16,"currency_code":"USD","in_stock":true},{"title":"IRLR7807Z 5pcs","offer_id":46985555804395,"sku":"14:94#IRLR7807Z","price":10.16,"currency_code":"USD","in_stock":true},{"title":"IRLR3714Z 5pcs","offer_id":46985555837163,"sku":"14:10#IRLR3714Z","price":11.48,"currency_code":"USD","in_stock":true},{"title":"IRLR3715Z 5pcs","offer_id":46985555869931,"sku":"14:29#IRLR3715Z","price":10.72,"currency_code":"USD","in_stock":true},{"title":"IRLR3705Z 5pcs","offer_id":46985555902699,"sku":"14:4044226#IRLR3705Z","price":36.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irlr-series-n-channel-mosfet-to252-power-transistor-set.webp?v=1761193266"},{"product_id":"5pcs-ftp11n08a-n-channel-mosfet-to-220-75v-100a-power-transistor-for-inverter-and-motor-control-circuits","title":"5PCS FTP11N08A N-Channel MOSFET TO-220 75V 100A Power Transistor for Inverter and Motor Control Circuits","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdbce8a5c20aa4991982b677d4520837ft.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\fa32ec3439d44bf889b4cc869c1b3ac5\\dImgNew\\DImgNew2_9lu941qa.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\fa32ec3439d44bf889b4cc869c1b3ac5\\dImgNew\\DImgNew3_9lu941qa.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\fa32ec3439d44bf889b4cc869c1b3ac5\\dImgNew\\DImgNew4_9lu941qa.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985556426987,"sku":"\u003cnone\u003e","price":15.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ftp11n08a-n-channel-mosfet-to220-75v-100a-power-transistor.webp?v=1761192542"},{"product_id":"2pcs-lot-2sa1943-2sc5200-to-3p-pair-transistors-for-tube-amplifier","title":"2pcs\/lot 2SA1943 2SC5200 TO-3P Pair Transistors for Tube Amplifier","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTO-3P\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage Size\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1cm x 1cm x 1cm (0.39in x 0.39in x 0.39in)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage Weight\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e0.001kg (0.00lb.)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUnit Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003elot (2 pieces\/lot)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8196055a802e417a9508e49a87fc559bo.jpg\" style=\"width:1000px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S8196055a802e417a9508e49a87fc559bo.jpg\"\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991409185003,"sku":"\u003cnone\u003e","price":6.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/2sa1943-2sc5200-to3p-tube-amplifier-transistors.webp?v=1761968914"},{"product_id":"pcs-ir4427s-ir2153s-ir2104s-ir1150-ir2011s-ir2106s-sop-8-high-speed-mosfet-driver-ic","title":"PCS IR4427S IR2153S IR2104S IR1150 IR2011S IR2106S SOP-8 High-Speed MOSFET Driver IC","description":"\u003ch2\u003eIR Series SOP-8 High-Speed MOSFET Gate Driver ICs\u003c\/h2\u003e\n\n\u003cp\u003eInternational Rectifier (now Infineon) gate driver ICs are the industry standard for driving power MOSFETs and IGBTs in switching power supplies, motor drives, inverters, and class-D audio amplifiers. This listing covers six popular IR series gate drivers in SOP-8 SMD packages — select the specific IC you need from the variant options.\u003c\/p\u003e\n\n\u003ch3\u003eIC Selection Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR2104S\u003c\/strong\u003e — Half-bridge gate driver, single input + SD pin, bootstrap high-side drive. 600V, 130mA\/270mA output. For DC motor drives, half-bridge converters, and synchronous rectifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR2153S\u003c\/strong\u003e — Self-oscillating half-bridge driver with built-in RC oscillator. No MCU needed. 600V, 250mA\/500mA. For electronic ballasts, resonant converters, and DIY inverters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR4427S\u003c\/strong\u003e — Dual low-side MOSFET driver, non-inverting, 1.5A peak output, 200ns delay. For full-bridge and push-pull topologies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR2106S\u003c\/strong\u003e — Half-bridge driver with separate HIN\/LIN inputs and SD pin. 600V, 120mA\/260mA. For half-bridge and full-bridge motor drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR2011S\u003c\/strong\u003e — Half-bridge driver, 600V, 290mA\/600mA output. Higher current for larger MOSFETs in high-power inverters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR1150S\u003c\/strong\u003e — Single-phase PFC controller with integrated gate driver. For boost PFC pre-regulators in AC-DC power supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOP-8 (SMD, 1.27mm pitch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffset Voltage:\u003c\/strong\u003e Up to 600V (bootstrap high-side)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Supply (VCC):\u003c\/strong\u003e 10–20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Input:\u003c\/strong\u003e CMOS\/TTL compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e 130–680ns (varies by device)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 5 pieces per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBootstrap High-Side Drive Explained\u003c\/h3\u003e\n\u003cp\u003eIR2104S, IR2153S, and IR2106S use a bootstrap capacitor to generate the high-side gate drive voltage above the bus rail. The bootstrap diode charges the capacitor during the low-side on-time, enabling true high-side N-channel MOSFET switching without an isolated gate drive supply — simplifying half-bridge design significantly.\u003c\/p\u003e\n\n\u003ch3\u003eIR2153S Self-Oscillating Operation\u003c\/h3\u003e\n\u003cp\u003eThe IR2153S integrates a deadtime-controlled oscillator set by a single external resistor (RT) and capacitor (CT): f = 1\/(1.4 × RT × CT). This makes it ideal for fixed-frequency resonant converters and electronic ballasts where no microcontroller is available or desired.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHalf-bridge and full-bridge DC motor drives\u003c\/li\u003e\n\u003cli\u003e3-phase BLDC motor inverters (3× IR2104S or IR2106S)\u003c\/li\u003e\n\u003cli\u003eSwitch-mode power supply (SMPS) half-bridge topology\u003c\/li\u003e\n\u003cli\u003eElectronic fluorescent lamp ballasts (IR2153S)\u003c\/li\u003e\n\u003cli\u003eLLC resonant converters\u003c\/li\u003e\n\u003cli\u003eClass-D audio amplifier gate drive\u003c\/li\u003e\n\u003cli\u003eSolar inverter and UPS power stages\u003c\/li\u003e\n\u003cli\u003ePower factor correction boost converter (IR1150S)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 × IR series gate driver IC in SOP-8 package (model as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"IR2104S","offer_id":46991413706987,"sku":"14:351074#IR2104S","price":5.28,"currency_code":"USD","in_stock":true},{"title":"IR1150","offer_id":46991413739755,"sku":"14:4044226#IR1150","price":18.88,"currency_code":"USD","in_stock":true},{"title":"IR4427S","offer_id":46991413772523,"sku":"14:1202#IR4427S","price":6.12,"currency_code":"USD","in_stock":true},{"title":"IR2153S","offer_id":46991413805291,"sku":"14:350852#IR2153S","price":13.24,"currency_code":"USD","in_stock":true},{"title":"IR2011S","offer_id":46991413838059,"sku":"14:201659813#IR2011S","price":5.92,"currency_code":"USD","in_stock":true},{"title":"IR2106S","offer_id":46991413870827,"sku":"14:10#IR2106S","price":5.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ir4427s-ir2153s-ir2104s-ir1150-ir2011s-ir2106s-sop8-mosfet-driver-ic.webp?v=1761965356"},{"product_id":"5pcs-irfb3206-to-220-mosfet-transistor-210a-60v-n-channel-power-mos","title":"5pcs IRFB3206 TO-220 MOSFET Transistor 210A 60V N-Channel Power MOS","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eIC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVanxy\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTO220\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8196055a802e417a9508e49a87fc559bo.jpg\" style=\"width:1000px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S8196055a802e417a9508e49a87fc559bo.jpg\"\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991414198507,"sku":"\u003cnone\u003e","price":13.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irfb3206-to220-n-channel-power-mosfet-210a-60v.webp?v=1761965181"},{"product_id":"lm317t-irf-series-to220-voltage-regulator-n-channel-mosfet-5pcs","title":"LM317T \/ IRF Series TO-220 Power Components – Voltage Regulator \u0026 N-Channel MOSFETs, Pack of 5","description":"\u003ch2\u003eLM317T \/ IRF Series TO-220 Power Components – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThis pack covers two essential categories of TO-220 through-hole power components: the \u003cstrong\u003eLM317T adjustable voltage regulator\u003c\/strong\u003e and the \u003cstrong\u003eIRF series N-channel power MOSFETs\u003c\/strong\u003e. Both are workhorses of power electronics – the LM317T for linear voltage regulation, and the IRF MOSFETs for switching applications including motor drives, DC-DC converters, and load switching. All are in the standard TO-220 package for easy heatsinking and through-hole PCB mounting.\u003c\/p\u003e\n\n\u003ch3\u003eLM317T – Adjustable Positive Voltage Regulator\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 1.25V – 37V (adjustable via R1\/R2 divider)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 1.5A (with heatsink)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 3V – 40V (must be ≥3V above Vout)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormula:\u003c\/strong\u003e Vout = 1.25V × (1 + R2\/R1)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Adjustable bench supply, battery charger, LED driver, lab power supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIRF Series N-Channel Power MOSFETs\u003c\/h3\u003e\n\n\u003ch4\u003eIRF3205 – 55V, 110A, 8mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-low Rds(on), high current – ideal for high-efficiency switching\u003c\/li\u003e\n  \u003cli\u003eUse: High-current motor drives, synchronous buck converters, battery management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIRF510N – 100V, 5.6A, 540mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMedium voltage, low current – general-purpose switching\u003c\/li\u003e\n  \u003cli\u003eUse: RF amplifiers, audio amplifiers, general switching circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIRF520N – 100V, 9.7A, 270mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMedium voltage, medium current\u003c\/li\u003e\n  \u003cli\u003eUse: Motor control, solenoid drivers, DC-DC converters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIRF530N – 100V, 17A, 90mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMedium-high current, 100V rating\u003c\/li\u003e\n  \u003cli\u003eUse: Motor drives, power supplies, load switching\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIRF540N – 100V, 33A, 44mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh current, 100V – popular general-purpose power MOSFET\u003c\/li\u003e\n  \u003cli\u003eUse: Motor control, inverters, high-current switching\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIRF640N – 200V, 18A, 150mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher voltage rating for 120V\/240V AC-side switching\u003c\/li\u003e\n  \u003cli\u003eUse: Inverters, UPS, offline power supplies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIRF740 – 400V, 10A, 550mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh voltage for offline switching applications\u003c\/li\u003e\n  \u003cli\u003eUse: Flyback converters, offline SMPS, high-voltage motor drives\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIRF840 – 500V, 8A, 850mΩ\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eVery high voltage for offline power supply primary switches\u003c\/li\u003e\n  \u003cli\u003eUse: Offline flyback SMPS, high-voltage inverters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × TO-220 power components (select variant: LM317T, IRF3205, IRF510N, IRF520N, IRF530N, IRF540N, IRF640N, IRF740, or IRF840)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAdjustable linear regulation and high-performance N-channel switching – the LM317T and IRF series cover the essential power electronics components for voltage regulation, motor control, and switching power supply design.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"10PCS-LM317T","offer_id":46991417049323,"sku":"14:1202#10PCS-LM317T","price":5.76,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRL520","offer_id":46991417082091,"sku":"14:366#10PCS-IRL520","price":11.64,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF840","offer_id":46991417114859,"sku":"14:193#10PCS-IRF840","price":7.48,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRL540","offer_id":46991417147627,"sku":"14:1052#10PCS-IRL540","price":10.2,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRL530","offer_id":46991417180395,"sku":"14:496#10PCS-IRL530","price":12.0,"currency_code":"USD","in_stock":true},{"title":"10PCS-E13009-2","offer_id":46991417213163,"sku":"14:4044226#10PCS-E13009-2","price":6.32,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF3205","offer_id":46991417245931,"sku":"14:351074#10PCS-IRF3205","price":7.04,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF520N","offer_id":46991417278699,"sku":"14:10#10PCS-IRF520N","price":7.04,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF510N","offer_id":46991417311467,"sku":"14:350852#10PCS-IRF510N","price":6.68,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF540N","offer_id":46991417344235,"sku":"14:94#10PCS-IRF540N","price":7.2,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF530N","offer_id":46991417377003,"sku":"14:29#10PCS-IRF530N","price":7.04,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF740","offer_id":46991417409771,"sku":"14:175#10PCS-IRF740","price":7.04,"currency_code":"USD","in_stock":true},{"title":"10PCS-IRF640N","offer_id":46991417442539,"sku":"14:173#10PCS-IRF640N","price":7.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/lm317t-irf-to220-transistors.webp?v=1761890641"},{"product_id":"50pcs-s9012-s9013-s9014-s9015-s9018-to-92-npn-pnp-transistor-ics","title":"50PCS S9012 S9013 S9014 S9015 S9018 TO-92 NPN\/PNP Transistor ICs","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hd8b751857ee04c1594c2d258c82c72e5Y.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Hd8b751857ee04c1594c2d258c82c72e5Y.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S64cf83d132ed4db7bf68ee640a01cff8K.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S64cf83d132ed4db7bf68ee640a01cff8K.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S272b04b3c88b46048a2d6eee7374423f6.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S272b04b3c88b46048a2d6eee7374423f6.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd16dfb7d2b494f1389bc833f6b7fec013.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sd16dfb7d2b494f1389bc833f6b7fec013.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd47d6ecc81314344948191a727f51ad7f.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sd47d6ecc81314344948191a727f51ad7f.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S82c5a94b9d2b4320be210aaa29ba6903R.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S82c5a94b9d2b4320be210aaa29ba6903R.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sfd0a35b44c4243ef95a2e50f478c2cd0S.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfd0a35b44c4243ef95a2e50f478c2cd0S.jpg\"\u003e\u003c\/p\u003e\n\u003ckse:widget data-widget-type=\"customText\" id=\"24273849\" title=\"xin\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\r\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Keszoox","offers":[{"title":"S9015","offer_id":46991425601771,"sku":"14:4044226#S9015","price":6.36,"currency_code":"USD","in_stock":true},{"title":"S9018","offer_id":46991425634539,"sku":"14:201659813#S9018","price":6.36,"currency_code":"USD","in_stock":true},{"title":"S9013","offer_id":46991425667307,"sku":"14:350852#S9013","price":6.36,"currency_code":"USD","in_stock":true},{"title":"S9014","offer_id":46991425700075,"sku":"14:351074#S9014","price":6.36,"currency_code":"USD","in_stock":true},{"title":"S9012","offer_id":46991425732843,"sku":"14:1202#S9012","price":6.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/s9012-s9013-s9014-s9015-s9018-to92-transistors.webp?v=1761888924"},{"product_id":"irf520-mosfet-driver-module-0-24v-3-3v-5v-logic-arduino-raspberry-pi","title":"IRF520 MOSFET Driver Module — 0–24V, 3.3V\/5V Logic, Arduino \/ MCU \/ Raspberry Pi","description":"\u003ch2\u003eIRF520 MOSFET Driver Module — 0–24V DC Load, 3.3V \/ 5V Logic, PWM Compatible\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eIRF520 MOSFET driver module\u003c\/strong\u003e allows Arduino, Raspberry Pi, and other 3.3V\/5V microcontrollers to switch high-current DC loads up to 24V\/9A using a single GPIO pin. Built around the \u003cstrong\u003eIRF520 N-channel MOSFET\u003c\/strong\u003e with an onboard gate driver circuit, it supports PWM input for smooth speed and brightness control without additional components.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMOSFET\u003c\/td\u003e\n\u003ctd\u003eIRF520 (N-channel, 100V, 9.7A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Voltage\u003c\/td\u003e\n\u003ctd\u003e0V – 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load Current\u003c\/td\u003e\n\u003ctd\u003e9A (with heatsink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Input Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V or 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Support\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Terminals\u003c\/td\u003e\n\u003ctd\u003eScrew terminals (load + \/ load −)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Connector\u003c\/td\u003e\n\u003ctd\u003e3-pin (SIG, VCC, GND)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Driver\u003c\/td\u003e\n\u003ctd\u003eOnboard (no external driver needed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose IRF520 Module?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V logic compatible\u003c\/strong\u003e — directly driven by ESP8266, ESP32, Raspberry Pi GPIO\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePWM-ready\u003c\/strong\u003e — smooth motor speed and LED dimming control\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eScrew terminals\u003c\/strong\u003e — secure load wire connection for high-current applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eOnboard gate driver\u003c\/strong\u003e — no external resistor or driver IC required\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReplaces mechanical relays\u003c\/strong\u003e — silent, fast switching, no contact wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino high-current DC motor switching and speed control\u003c\/li\u003e\n\u003cli\u003e12V \/ 24V LED strip PWM dimming\u003c\/li\u003e\n\u003cli\u003eSolenoid valve and relay replacement\u003c\/li\u003e\n\u003cli\u003eHeating element power control\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi GPIO high-current load switching\u003c\/li\u003e\n\u003cli\u003eFan speed control for cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWiring Guide\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSIG\u003c\/strong\u003e → Arduino digital\/PWM pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVCC\u003c\/strong\u003e → 5V (optional, for gate pull-up)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e → GND (shared with load GND)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad+\u003c\/strong\u003e → Positive terminal of load power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad−\u003c\/strong\u003e → Negative terminal of load (motor, LED, solenoid)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × IRF520 MOSFET Driver Module\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991429533931,"sku":"\u003cnone\u003e","price":6.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf520-mosfet-driver-module-0-24v-arduino-raspberry-pi.webp?v=1761883898"},{"product_id":"uln2001-3-channel-darlington-transistor-array-sop8-50v-500ma-flyback-diodes-10pack","title":"ULN2001 3-Channel Darlington Transistor Array IC — SOP-8, 50V 500mA, Flyback Diodes (10-Pack)","description":"\u003ch2\u003eULN2001 3-Channel Darlington Transistor Array IC — SOP-8, 50V \/ 500mA, Flyback Diodes (10-Pack)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eULN2001\u003c\/strong\u003e is a 3-channel NPN Darlington transistor array in SOP-8 package, designed to drive inductive loads such as relays, stepper motor coils, solenoid valves, and LED arrays directly from TTL or CMOS logic outputs. Built-in flyback diodes on each channel protect the IC from inductive voltage spikes, eliminating the need for external protection diodes. This 10-pack is ideal for prototyping stock and production use.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC\u003c\/td\u003e\n\u003ctd\u003eULN2001 \/ ULN2001A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e3 (independent NPN Darlington pairs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Collector Voltage\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Collector Current\u003c\/td\u003e\n\u003ctd\u003e500mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Compatibility\u003c\/td\u003e\n\u003ctd\u003eTTL and CMOS logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlyback Diodes\u003c\/td\u003e\n\u003ctd\u003eBuilt-in (one per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCE Saturation\u003c\/td\u003e\n\u003ctd\u003e~1V (at 350mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eULN2001 vs ULN2003 vs ULN2803\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eIC\u003c\/th\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eULN2001\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eSOP-8\u003c\/td\u003e\n\u003ctd\u003eCompact 3-channel SMD designs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULN2003\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eDIP-16 \/ SOP-16\u003c\/td\u003e\n\u003ctd\u003eStepper motor, 7-segment display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULN2803\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eDIP-18 \/ SOP-18\u003c\/td\u003e\n\u003ctd\u003eHigh-channel-count relay arrays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose ULN2001?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSOP-8 package\u003c\/strong\u003e — compact SMD footprint for space-constrained PCBs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBuilt-in flyback diodes\u003c\/strong\u003e — no external protection diodes needed for relay\/solenoid driving\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTTL\/CMOS compatible input\u003c\/strong\u003e — directly driven by Arduino, ESP32, STM32 GPIO\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e500mA per channel\u003c\/strong\u003e — sufficient for small relays and solenoids\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e10-pack value\u003c\/strong\u003e — ideal for prototyping and production stock\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRelay driver from Arduino \/ MCU GPIO\u003c\/li\u003e\n\u003cli\u003eStepper motor coil driver (3-phase)\u003c\/li\u003e\n\u003cli\u003eSolenoid valve driver\u003c\/li\u003e\n\u003cli\u003eLED array high-current driver\u003c\/li\u003e\n\u003cli\u003eDC motor driver (low current)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10 × ULN2001 SOP-8 Darlington Transistor Array IC\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991436185835,"sku":"\u003cnone\u003e","price":8.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/uln2001-sop8-three-channel-relay-driver-ic-chip.webp?v=1761879908"},{"product_id":"2sa1015-a1015-pnp-transistor-to92-50v-150ma-audio-preamp-low-noise-50pack","title":"2SA1015 \/ A1015 PNP Transistor — TO-92, 50V 150mA, Audio Preamp, Low Noise (50-Pack)","description":"\u003ch2\u003e2SA1015 \/ A1015 PNP Transistor — TO-92, 50V 150mA, Audio Preamp (50-Pack)\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e2SA1015 (A1015)\u003c\/strong\u003e is a classic PNP small-signal transistor in TO-92 package — the PNP complement to the 2SC1815 NPN transistor. Together they form the most popular complementary pair in Japanese audio electronics, used in preamplifier stages, signal amplifiers, and push-pull output stages. Low noise characteristics make the 2SA1015 particularly suitable for audio preamplifier applications. Pack of 50 for prototyping stock or production builds.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2SA1015 \/ A1015\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e PNP small-signal transistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-92 (through-hole)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV₂₁ₑₒ (max):\u003c\/strong\u003e 50V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI₂ (max):\u003c\/strong\u003e 150mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP₂ (max):\u003c\/strong\u003e 400mW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ehₑₑ (DC gain):\u003c\/strong\u003e 70–700 (GR grade: 200–700)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003efᵀ (transition frequency):\u003c\/strong\u003e 80MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNoise Figure:\u003c\/strong\u003e Low (suitable for audio preamp)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplement:\u003c\/strong\u003e 2SC1815 (NPN)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 50 transistors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e2SA1015 vs BC327 vs 2N3906\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2SA1015 (this transistor):\u003c\/strong\u003e 50V, 150mA, low noise, 80MHz — for audio preamp and signal amplification\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBC327:\u003c\/strong\u003e 45V, 800mA, general purpose — for higher current switching\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2N3906:\u003c\/strong\u003e 40V, 200mA, general purpose — for general switching and amplification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAudio preamplifier input stage\u003c\/li\u003e\n  \u003cli\u003eComplementary push-pull amplifier (with 2SC1815)\u003c\/li\u003e\n  \u003cli\u003eSignal level shifting and inversion\u003c\/li\u003e\n  \u003cli\u003eLow-current switching circuit\u003c\/li\u003e\n  \u003cli\u003eSensor signal amplification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e2SA1015\/A1015 PNP transistor, 50-pack — TO-92, 50V 150mA, low noise, complement to 2SC1815 for audio preamplifier and signal amplifier circuits.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991446638827,"sku":"\u003cnone\u003e","price":5.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/2sa1015-a1015-to92-pnp-transistor-0-15a-50v.webp?v=1761805386"},{"product_id":"4-channel-irf540-mosfet-switch-module-v4-0-100v-33a-button-control-dc-load","title":"4-Channel IRF540 MOSFET Switch Module — V4.0, 100V\/33A, Button Control, DC Load","description":"\u003ch2\u003e4-Channel IRF540 MOSFET Switch Module — V4.0, 100V\/33A, Button Control\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003e4-channel IRF540 MOSFET switch module\u003c\/strong\u003e provides four independent high-current DC switching channels — each controlled by a push button or external logic signal. The IRF540 N-channel MOSFET handles up to 100V and 33A per channel, making it suitable for switching high-current DC loads such as LED strips, motors, solenoid valves, and heating elements. Suitable for DC voltages above 9V; can handle up to 100V\/33A in extreme cases.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMOSFET:\u003c\/strong\u003e IRF540 (N-channel, 100V, 33A)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 independent switching channels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Voltage:\u003c\/strong\u003e DC 9V and above (up to 100V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Current:\u003c\/strong\u003e 33A per channel (with adequate heatsinking)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e On-board push button per channel + external logic input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic Input:\u003c\/strong\u003e Compatible with 3.3V and 5V MCU GPIO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFreewheeling Diode:\u003c\/strong\u003e Built-in body diode (inductive load protection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-current LED strip switching (12V\/24V)\u003c\/li\u003e\n  \u003cli\u003eDC motor on\/off control\u003c\/li\u003e\n  \u003cli\u003eSolenoid valve and relay replacement\u003c\/li\u003e\n  \u003cli\u003eHeating element control\u003c\/li\u003e\n  \u003cli\u003eArduino high-current load switching (via GPIO)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e4-channel IRF540 MOSFET switch module V4.0 — 100V\/33A, button control for high-current DC load switching, LED strips, motors, and solenoid valve control.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991447589099,"sku":"\u003cnone\u003e","price":11.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/4-channel-irf540-mosfet-switch-module-v4-0-button-control.webp?v=1761804903"},{"product_id":"2sa1015-a1015-pnp-transistor-to92-50v-150ma-low-noise-20pack","title":"2SA1015 \/ A1015 PNP Transistor — TO-92, 50V, 150mA, Low Noise (20-Pack)","description":"\u003ch2\u003e2SA1015 \/ A1015 PNP Transistor — TO-92, 50V, 150mA, Low Noise (20-Pack)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e2SA1015 (A1015)\u003c\/strong\u003e is a classic low-noise PNP bipolar junction transistor (BJT) in TO-92 package from Toshiba, widely used in audio preamplifier, signal amplification, and low-power switching circuits. As the PNP complement to the \u003cstrong\u003e2SC1815 NPN transistor\u003c\/strong\u003e, the 2SA1015 is the standard choice for complementary push-pull audio amplifier stages and differential pair circuits. With a 50V collector-emitter voltage, 150mA collector current, and exceptionally low noise figure, it remains one of the most popular general-purpose PNP transistors in electronics design and repair.\u003c\/p\u003e\u003ch3\u003eKey Electrical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSymbol\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Voltage\u003c\/td\u003e\n\u003ctd\u003eVCEO\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Base Voltage\u003c\/td\u003e\n\u003ctd\u003eVCBO\u003c\/td\u003e\n\u003ctd\u003e60V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Base Voltage\u003c\/td\u003e\n\u003ctd\u003eVEBO\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Current (max)\u003c\/td\u003e\n\u003ctd\u003eIC\u003c\/td\u003e\n\u003ctd\u003e150mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003ePC\u003c\/td\u003e\n\u003ctd\u003e400mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current Gain\u003c\/td\u003e\n\u003ctd\u003ehFE\u003c\/td\u003e\n\u003ctd\u003e70–700 (O\/Y\/GR grades)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransition Frequency\u003c\/td\u003e\n\u003ctd\u003efT\u003c\/td\u003e\n\u003ctd\u003e80MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Figure\u003c\/td\u003e\n\u003ctd\u003eNF\u003c\/td\u003e\n\u003ctd\u003eLow (audio grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eTO-92 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eTj\u003c\/td\u003e\n\u003ctd\u003e-55°C to +150°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e20 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003ehFE Grade Selection Guide\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003ehFE Range\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eO\u003c\/td\u003e\n\u003ctd\u003e70–140\u003c\/td\u003e\n\u003ctd\u003eSwitching, general purpose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eY\u003c\/td\u003e\n\u003ctd\u003e120–240\u003c\/td\u003e\n\u003ctd\u003eGeneral amplification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGR\u003c\/td\u003e\n\u003ctd\u003e200–400\u003c\/td\u003e\n\u003ctd\u003eAudio preamplifier, low-noise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBL\u003c\/td\u003e\n\u003ctd\u003e350–700\u003c\/td\u003e\n\u003ctd\u003eHigh-gain audio, sensitive circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003e2SA1015 vs BC327 vs 2N3906 — PNP Transistor Comparison\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e2SA1015\u003c\/th\u003e\n\u003cth\u003eBC327\u003c\/th\u003e\n\u003cth\u003e2N3906\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCEO\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003ctd\u003e45V\u003c\/td\u003e\n\u003ctd\u003e40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC max\u003c\/td\u003e\n\u003ctd\u003e150mA\u003c\/td\u003e\n\u003ctd\u003e800mA\u003c\/td\u003e\n\u003ctd\u003e200mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003efT\u003c\/td\u003e\n\u003ctd\u003e80MHz\u003c\/td\u003e\n\u003ctd\u003e100MHz\u003c\/td\u003e\n\u003ctd\u003e250MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003eVery low\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNPN Complement\u003c\/td\u003e\n\u003ctd\u003e2SC1815\u003c\/td\u003e\n\u003ctd\u003eBC337\u003c\/td\u003e\n\u003ctd\u003e2N3904\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eAudio preamp, low-noise\u003c\/td\u003e\n\u003ctd\u003eHigher current loads\u003c\/td\u003e\n\u003ctd\u003eGeneral switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose 2SA1015?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLow noise figure\u003c\/strong\u003e — ideal for audio preamplifier and microphone amplifier circuits\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplement to 2SC1815\u003c\/strong\u003e — perfect pair for push-pull and complementary amplifier stages\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide hFE range\u003c\/strong\u003e — select grade (O\/Y\/GR\/BL) to match circuit requirements\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTO-92 package\u003c\/strong\u003e — breadboard and through-hole PCB compatible\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e80MHz fT\u003c\/strong\u003e — suitable for RF preamplifier and VHF circuits\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e20-pack value\u003c\/strong\u003e — stock for multiple projects and repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAudio preamplifier and microphone amplifier input stage\u003c\/li\u003e\n\u003cli\u003eComplementary push-pull audio amplifier (with 2SC1815)\u003c\/li\u003e\n\u003cli\u003eDifferential pair signal amplifier\u003c\/li\u003e\n\u003cli\u003eLow-power PNP switching circuit\u003c\/li\u003e\n\u003cli\u003eRF preamplifier and VHF amplifier\u003c\/li\u003e\n\u003cli\u003eTransistor radio and vintage electronics repair\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose PNP signal transistor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e20 × 2SA1015 \/ A1015 PNP Transistor (TO-92, grade as selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991449719019,"sku":"\u003cnone\u003e","price":5.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/2sa1015-a1015-to-92-pnp-transistor-0-15a-50v-triode.webp?v=1761802066"},{"product_id":"bs170-n-channel-mosfet-to92-60v-500ma-logic-level-5pack","title":"BS170 N-Channel MOSFET Transistor — TO-92, 60V, 500mA, Logic-Level Gate (5-Pack)","description":"\u003ch2\u003eBS170 N-Channel MOSFET — TO-92, 60V, 500mA, Logic-Level\u003c\/h2\u003e\u003cp\u003eThe BS170 is a small-signal N-channel enhancement-mode MOSFET in a TO-92 package. With a 60V drain-source voltage rating, 500mA continuous drain current, and a gate threshold voltage of 0.8–2.4V, it can be driven directly from 3.3V and 5V logic outputs without a gate driver IC. It is widely used for low-power switching, LED control, and signal-level switching in microcontroller-based designs.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eN-Channel Enhancement MOSFET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-92\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (VDS)\u003c\/td\u003e\n\u003ctd\u003e60V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (ID)\u003c\/td\u003e\n\u003ctd\u003e500mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (VGS(th))\u003c\/td\u003e\n\u003ctd\u003e0.8–2.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance (RDS(on))\u003c\/td\u003e\n\u003ctd\u003e5Ω max (VGS=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate-Source Voltage (VGS)\u003c\/td\u003e\n\u003ctd\u003e±20V max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose BS170?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic-level gate drive\u003c\/strong\u003e — turns on fully with 3.3V or 5V MCU output, no gate driver needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTO-92 through-hole\u003c\/strong\u003e — easy to prototype on breadboard or perfboard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow gate threshold\u003c\/strong\u003e — ideal for battery-powered and low-voltage designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60V rating\u003c\/strong\u003e — suitable for switching inductive loads up to 60V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for multiple projects and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLED and small lamp switching from MCU GPIO\u003c\/li\u003e\n\u003cli\u003eLow-side switch for relay coil drive\u003c\/li\u003e\n\u003cli\u003eMotor speed control (low-power DC motors)\u003c\/li\u003e\n\u003cli\u003eSignal-level analog switching\u003c\/li\u003e\n\u003cli\u003eBattery charger control circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× BS170 N-Channel MOSFET (TO-92)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991455715563,"sku":"\u003cnone\u003e","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/bs170-to-92-n-channel-mosfet-transistor.webp?v=1761800565"},{"product_id":"to-92-transistor-assortment-kit-200pcs-10-types-bc337-2n2222-2n3904-s8050","title":"TO-92 Transistor Assortment Kit — 200pcs, 10 Types: BC337, 2N2222, 2N3904, S8050 \u0026 More","description":"\u003ch2\u003eTO-92 Transistor Assortment Kit — 200pcs, 10 Types (NPN \u0026amp; PNP)\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eTO-92 transistor assortment\u003c\/strong\u003e provides 200 transistors across 10 of the most commonly used NPN and PNP small-signal and switching transistor types — 20 pieces of each. All in TO-92 through-hole package for breadboard and PCB prototyping. Covers the essential transistors for switching, amplification, and signal processing circuits. An essential stock kit for any electronics workbench.\u003c\/p\u003e\n\n\u003ch3\u003eKit Contents (200 Total, 20 of Each)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBC337 (NPN):\u003c\/strong\u003e 45V 800mA — general-purpose switching and amplifier\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBC327 (PNP):\u003c\/strong\u003e 45V 800mA — PNP complement to BC337\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2N2222 (NPN):\u003c\/strong\u003e 40V 600mA, fast switching — most popular NPN switching transistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2N2907 (PNP):\u003c\/strong\u003e 40V 600mA — PNP complement to 2N2222\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2N3904 (NPN):\u003c\/strong\u003e 40V 200mA — standard low-power NPN amplifier\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2N3906 (PNP):\u003c\/strong\u003e 40V 200mA — PNP complement to 2N3904\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS8050 (NPN):\u003c\/strong\u003e 25V 700mA — popular in Chinese electronics, LED driver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS8550 (PNP):\u003c\/strong\u003e 25V 700mA — PNP complement to S8050\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA1015 (PNP):\u003c\/strong\u003e 50V 150mA — audio preamplifier, low noise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eC1815 (NPN):\u003c\/strong\u003e 50V 150mA — audio preamplifier, NPN complement to A1015\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNPN vs PNP Quick Reference\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNPN:\u003c\/strong\u003e Base HIGH → collector-emitter conducts — for low-side switching (load between collector and VCC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePNP:\u003c\/strong\u003e Base LOW → collector-emitter conducts — for high-side switching (load between emitter and VCC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino GPIO load switching (LED, relay, buzzer)\u003c\/li\u003e\n  \u003cli\u003eAudio preamplifier stage (A1015\/C1815)\u003c\/li\u003e\n  \u003cli\u003eH-bridge motor driver (NPN + PNP pairs)\u003c\/li\u003e\n  \u003cli\u003eSignal amplification and level shifting\u003c\/li\u003e\n  \u003cli\u003eElectronics education and prototyping stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTO-92 transistor kit, 200pcs, 10 types — BC337, BC327, 2N2222, 2N2907, 2N3904, 2N3906, S8050, S8550, A1015, C1815 for electronics prototyping and workbench stock.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991455781099,"sku":"\u003cnone\u003e","price":14.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/to-92-transistor-assortment-kit-bc337-bc327-2n2222-2n2907-2n3904-2n3906-s8050-s8550-a1015-c1815.webp?v=1761800530"},{"product_id":"si2301cds-n-channel-mosfet-sot23-20v-2-3a-smd-10pack","title":"SI2301CDS N-Channel MOSFET — SOT-23, 20V, 2.3A, SMD (10-Pack)","description":"\u003ch2\u003eSI2301CDS N-Channel MOSFET — SOT-23, 20V, 2.3A, Logic-Level\u003c\/h2\u003e\u003cp\u003eThe SI2301CDS is a small-signal N-channel enhancement-mode MOSFET in a compact SOT-23 SMD package. With a 20V drain-source voltage, 2.3A continuous drain current, and a low gate threshold voltage compatible with 3.3V\/5V logic, it is widely used in portable electronics, battery management, and low-side switching applications.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eN-Channel Enhancement MOSFET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (VDS)\u003c\/td\u003e\n\u003ctd\u003e20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (ID)\u003c\/td\u003e\n\u003ctd\u003e2.3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (VGS(th))\u003c\/td\u003e\n\u003ctd\u003e0.4–1.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance (RDS(on))\u003c\/td\u003e\n\u003ctd\u003e80mΩ typ. (VGS=4.5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose SI2301CDS?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic-level gate\u003c\/strong\u003e — fully on with 3.3V or 5V MCU output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOT-23 SMD\u003c\/strong\u003e — compact footprint for space-constrained PCB designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow RDS(on)\u003c\/strong\u003e — minimal conduction loss for efficient switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20V rating\u003c\/strong\u003e — suitable for Li-ion battery and USB power path circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-pack value\u003c\/strong\u003e — ideal for prototyping and small production runs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBattery protection and load switch circuits\u003c\/li\u003e\n\u003cli\u003eLED driver and backlight control\u003c\/li\u003e\n\u003cli\u003eLow-side switch for MCU GPIO control\u003c\/li\u003e\n\u003cli\u003ePower path management in portable devices\u003c\/li\u003e\n\u003cli\u003eMotor driver H-bridge (low-side)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10× SI2301CDS N-Channel MOSFET (SOT-23)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991455879403,"sku":"\u003cnone\u003e","price":4.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/si2301cds-si2301-sot-23-n-channel-mosfet-20v-smd-ic.webp?v=1761800499"},{"product_id":"si2302ds-n-channel-mosfet-sot23-20v-2-5a-smd-10pack","title":"SI2302DS N-Channel MOSFET — SOT-23, 20V, 2.5A, SMD (10-Pack)","description":"\u003ch2\u003eSI2302DS N-Channel MOSFET — SOT-23, 20V, 2.5A, Logic-Level\u003c\/h2\u003e\u003cp\u003eThe SI2302DS is an N-channel enhancement-mode MOSFET in a SOT-23 SMD package, offering 20V VDS and 2.5A continuous drain current. Its low gate threshold voltage allows direct drive from 3.3V and 5V logic, making it a popular choice for load switching, battery management, and compact PCB power control designs.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eN-Channel Enhancement MOSFET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (VDS)\u003c\/td\u003e\n\u003ctd\u003e20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (ID)\u003c\/td\u003e\n\u003ctd\u003e2.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (VGS(th))\u003c\/td\u003e\n\u003ctd\u003e0.4–1.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance (RDS(on))\u003c\/td\u003e\n\u003ctd\u003e65mΩ typ. (VGS=4.5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose SI2302DS?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5A current rating\u003c\/strong\u003e — higher drive capability than SI2301 for slightly heavier loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic-level gate\u003c\/strong\u003e — fully on with 3.3V or 5V MCU output, no gate driver needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOT-23 SMD\u003c\/strong\u003e — compact footprint for dense PCB layouts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow RDS(on)\u003c\/strong\u003e — efficient switching with minimal heat dissipation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-pack value\u003c\/strong\u003e — enough for multiple prototypes and repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUSB power path and load switch\u003c\/li\u003e\n\u003cli\u003eLi-ion battery protection circuits\u003c\/li\u003e\n\u003cli\u003eLED and backlight driver\u003c\/li\u003e\n\u003cli\u003eLow-side switch for relay and solenoid control\u003c\/li\u003e\n\u003cli\u003ePortable device power management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10× SI2302DS N-Channel MOSFET (SOT-23)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991455977707,"sku":"\u003cnone\u003e","price":4.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/si2302ds-si2302-sot-23-n-channel-mosfet-20v-2-5a-smd-ic.webp?v=1761800466"},{"product_id":"irf510n-irf510-n-channel-mosfet-to220-100v-5-6a-rf-audio-5pack","title":"IRF510N \/ IRF510 N-Channel MOSFET — TO-220, 100V 5.6A, RF \u0026 Audio Amplifier (5-Pack)","description":"\u003ch2\u003eIRF510N \/ IRF510 N-Channel MOSFET — TO-220, 100V, 5.6A, RF \u0026amp; Audio Amplifier (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe IRF510N (also known as IRF510) is a classic N-channel enhancement-mode power MOSFET in a TO-220 package, rated at 100V and 5.6A with 0.54Ω RDS(on). Originally designed for switching power supplies, it became famous in the amateur radio community as the output transistor in QRP (low-power) HF RF power amplifiers due to its excellent RF linearity at low drain currents. It is also widely used in audio amplifier output stages and general-purpose power switching.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-220 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (VDS)\u003c\/td\u003e\n\u003ctd\u003e100V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (ID)\u003c\/td\u003e\n\u003ctd\u003e5.6A (TC=25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance RDS(on)\u003c\/td\u003e\n\u003ctd\u003e0.54Ω (VGS=10V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (VGS(th))\u003c\/td\u003e\n\u003ctd\u003e2–4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacitance (Ciss)\u003c\/td\u003e\n\u003ctd\u003e180pF typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransconductance (gfs)\u003c\/td\u003e\n\u003ctd\u003e1.3 S typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +175°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose IRF510N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRF amplifier proven\u003c\/strong\u003e — the standard MOSFET for QRP HF RF power amplifiers (1–10W, 1–30MHz) in amateur radio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow input capacitance (180pF)\u003c\/strong\u003e — easy to drive at RF frequencies without large gate current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100V \/ 5.6A rating\u003c\/strong\u003e — suitable for 12–24V power switching and audio output stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTO-220 through-hole\u003c\/strong\u003e — easy to prototype and mount on heatsinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for push-pull RF amplifier pairs and repair stock\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQRP HF RF power amplifier\u003c\/strong\u003e: Class E\/F amplifier for 40m\/20m\/10m amateur radio bands (IRF510 push-pull pair, 12V supply, 5–10W output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio amplifier output stage\u003c\/strong\u003e: Class AB MOSFET audio amplifier (complementary pair with IRF9510 P-channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC motor speed control\u003c\/strong\u003e: PWM motor driver for 12–24V DC motors up to 5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMPS switching stage\u003c\/strong\u003e: Flyback or forward converter switch up to 100V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic load\u003c\/strong\u003e: Constant-current dummy load for power supply testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Why is IRF510 so popular for QRP RF amplifiers?\u003c\/strong\u003e\u003cbr\u003eA: The IRF510 has a relatively low input capacitance (180pF) and good transconductance at low drain currents, making it easy to drive at HF frequencies (1–30MHz) without a complex gate driver. Its 100V rating provides safety margin for RF voltage swings. The ARRL Handbook and many QRP kit designs (like the BitX transceiver) use IRF510 as the PA transistor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the complementary P-channel MOSFET for IRF510 in audio amplifiers?\u003c\/strong\u003e\u003cbr\u003eA: The IRF9510 (P-channel, -100V, -4A) is the complementary pair for IRF510 in Class AB audio amplifier output stages. Together they form a complementary source-follower output stage similar to the classic MOSFET amplifier designs by Nelson Pass.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can IRF510 be used at 5V gate drive (logic-level)?\u003c\/strong\u003e\u003cbr\u003eA: Partially. The gate threshold is 2–4V, so it will turn on at 5V, but RDS(on) at VGS=5V is significantly higher than at VGS=10V (0.54Ω). For full enhancement and low RDS(on), use VGS=10V. For logic-level 5V drive with low RDS(on), use a logic-level MOSFET like IRLZ44N instead.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× IRF510N \/ IRF510 N-Channel MOSFET (TO-220)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991458074859,"sku":"\u003cnone\u003e","price":9.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf510n-irf510-n-channel-mosfet-to-220-ic-chipset.webp?v=1761795680"},{"product_id":"irf3710s-n-channel-mosfet-to263-d2pak-smd-100v-57a-logic-level-5pack","title":"IRF3710S N-Channel MOSFET — TO-263 D2PAK SMD, 100V 57A, Logic-Level (5-Pack)","description":"\u003ch2\u003eIRF3710S N-Channel Power MOSFET — TO-263 D2PAK SMD, 100V, 57A, Logic-Level (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe IRF3710S is a high-current N-channel enhancement-mode power MOSFET in a TO-263 (D2PAK) surface-mount package, rated at 100V and 57A continuous drain current with an ultra-low 23mΩ RDS(on). The logic-level gate threshold (2–4V) allows direct drive from 5V gate driver ICs. The D2PAK SMD package solders the drain tab directly to the PCB copper pour, providing excellent thermal dissipation without an external heatsink for most applications.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-263 D2PAK (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (VDS)\u003c\/td\u003e\n\u003ctd\u003e100V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (ID)\u003c\/td\u003e\n\u003ctd\u003e57A (TC=25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance RDS(on)\u003c\/td\u003e\n\u003ctd\u003e23mΩ (VGS=10V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (VGS(th))\u003c\/td\u003e\n\u003ctd\u003e2–4V (logic-level)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Gate Charge (Qg)\u003c\/td\u003e\n\u003ctd\u003e110nC typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Diode Reverse Recovery\u003c\/td\u003e\n\u003ctd\u003eFast recovery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +175°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose IRF3710S D2PAK over TO-220?\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eIRF3710S (TO-263 D2PAK SMD)\u003c\/th\u003e\n\u003cth\u003eIRF3710 (TO-220 Through-Hole)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eSMD — soldered to PCB\u003c\/td\u003e\n\u003ctd\u003eThrough-hole — requires heatsink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Path\u003c\/td\u003e\n\u003ctd\u003eTab to PCB copper pour (low Rth)\u003c\/td\u003e\n\u003ctd\u003eTab to external heatsink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Density\u003c\/td\u003e\n\u003ctd\u003eHigher — no heatsink clearance needed\u003c\/td\u003e\n\u003ctd\u003eLower — heatsink takes space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eHigh-current SMD PCB designs\u003c\/td\u003e\n\u003ctd\u003ePrototyping and through-hole boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose IRF3710S?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e57A \/ 100V rating\u003c\/strong\u003e — handles high-current motor and power conversion loads with margin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low 23mΩ RDS(on)\u003c\/strong\u003e — minimal conduction loss, less heat at high currents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD2PAK tab-to-PCB thermal path\u003c\/strong\u003e — excellent heat dissipation without external heatsink for most applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic-level gate (2–4V)\u003c\/strong\u003e — compatible with 5V gate driver ICs (IR2110, TC4420)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for a complete H-bridge (4 FETs) plus one spare\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBLDC motor drive\u003c\/strong\u003e: 3-phase inverter bridge with IR2110 or DRV8301 gate driver (6× IRF3710S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous buck converter\u003c\/strong\u003e: High-side + low-side switch for CPU\/GPU power stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-bridge DC motor control\u003c\/strong\u003e: High-power bidirectional motor drive (4× IRF3710S per bridge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous rectification\u003c\/strong\u003e: Secondary-side rectifier in high-efficiency DC-DC converters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery management\u003c\/strong\u003e: High-current charge\/discharge switch in BMS circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What gate driver IC should I use with IRF3710S at high switching frequencies?\u003c\/strong\u003e\u003cbr\u003eA: With 110nC total gate charge, use a dedicated gate driver for frequencies above 10kHz. Recommended: IR2110 (half-bridge, bootstrap), TC4420\/TC4421 (single, 9A peak), UCC27524 (dual, 5A peak). Use a 10–22Ω gate resistor to limit ringing and EMI.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How much copper pour area do I need under the D2PAK tab for adequate cooling?\u003c\/strong\u003e\u003cbr\u003eA: As a guideline, a 25×25mm copper pour (2oz copper) with thermal vias to the bottom layer can dissipate approximately 3–5W without forced air. For higher power, add more copper area, thermal vias, or a heatsink clip. Always calculate junction temperature based on actual power dissipation: Tj = Ta + (Pd × Rth(j-a)).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use IRF3710S as a direct replacement for IRF3710 (TO-220) in an existing PCB?\u003c\/strong\u003e\u003cbr\u003eA: Electrically yes — identical specifications. You need to adapt the PCB footprint from TO-220 through-hole to TO-263 D2PAK SMD. The D2PAK tab (drain) must be soldered to the PCB copper pour for proper thermal management — do not leave it floating.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× IRF3710S N-Channel Power MOSFET (TO-263 D2PAK SMD)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991458468075,"sku":"\u003cnone\u003e","price":13.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irf3710s-n-channel-mosfet-100v-57a-to-263-d2pak.webp?v=1761795470"},{"product_id":"bc547c-npn-general-purpose-transistor-to92-45v-100ma-hfe-420-800-50pack","title":"BC547C NPN General-Purpose Transistor — TO-92, 45V, 100mA, hFE 420–800 (50-Pack)","description":"\u003ch2\u003eBC547C NPN General-Purpose Transistor — TO-92, 45V, 100mA, hFE 420–800 (50-Pack)\u003c\/h2\u003e\u003cp\u003eThe BC547C is a high-gain NPN general-purpose transistor in a TO-92 through-hole package, rated at 45V collector-emitter voltage and 100mA continuous collector current. The “C” suffix denotes the highest gain grade (hFE 420–800), making it ideal for low-level signal amplification, audio preamplifiers, and sensitive switching circuits where high current gain is required. It is one of the most widely used small-signal transistors in electronics education and prototyping.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-92 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eNPN silicon transistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Voltage (VCEO)\u003c\/td\u003e\n\u003ctd\u003e45V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Base Voltage (VCBO)\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Collector Current (IC)\u003c\/td\u003e\n\u003ctd\u003e100mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current Gain (hFE)\u003c\/td\u003e\n\u003ctd\u003e420–800 (Grade C, at IC=2mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransition Frequency (fT)\u003c\/td\u003e\n\u003ctd\u003e300MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Saturation (VCE(sat))\u003c\/td\u003e\n\u003ctd\u003e0.2V typ. (IC=10mA, IB=0.5mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-65°C to +150°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e50 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eBC547 Gain Grade Comparison\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003ehFE Range\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBC547A\u003c\/td\u003e\n\u003ctd\u003e110–220\u003c\/td\u003e\n\u003ctd\u003eGeneral switching, standard gain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBC547B\u003c\/td\u003e\n\u003ctd\u003e200–450\u003c\/td\u003e\n\u003ctd\u003eGeneral amplification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBC547C\u003c\/td\u003e\n\u003ctd\u003e420–800\u003c\/td\u003e\n\u003ctd\u003eHigh-gain amplifiers, sensitive circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose BC547C?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh gain (hFE 420–800)\u003c\/strong\u003e — Grade C provides the highest gain for sensitive amplifier and Darlington pair designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300MHz transition frequency\u003c\/strong\u003e — suitable for audio and low-RF frequency applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTO-92 through-hole\u003c\/strong\u003e — breadboard-friendly, easy to prototype and replace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-standard pinout\u003c\/strong\u003e — CBE (Collector-Base-Emitter) pin order, compatible with BC548, BC549, 2N3904 (verify pinout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50-pack value\u003c\/strong\u003e — sufficient for lab stock, multiple circuit builds, and education\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino GPIO switch\u003c\/strong\u003e: Drive a relay coil (50–100mA) from Arduino 5V GPIO via BC547C base resistor (4.7kΩ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED driver\u003c\/strong\u003e: Drive high-brightness LED (20–50mA) from 3.3V MCU GPIO with current limiting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio preamplifier\u003c\/strong\u003e: Common-emitter amplifier stage for microphone or sensor signal conditioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDarlington pair\u003c\/strong\u003e: BC547C + BC547C for ultra-high gain (\u0026gt;100,000) in sensitive detector circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillator circuit\u003c\/strong\u003e: Colpitts or Hartley oscillator for RF signal generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic inverter\u003c\/strong\u003e: Simple NOT gate using BC547C as saturating switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I calculate the base resistor for BC547C to switch a relay from Arduino?\u003c\/strong\u003e\u003cbr\u003eA: For a 5V relay coil drawing 70mA: IC=70mA, hFE(min)=420. IB(min) = IC\/hFE = 70mA\/420 = 0.17mA. For saturation, use IB = 10×IB(min) = 1.7mA. RB = (VGpio − VBE) \/ IB = (5V − 0.7V) \/ 1.7mA = 2.5kΩ. Use 2.2kΩ standard value. Add a 1N4148 flyback diode across the relay coil.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between BC547 and 2N3904?\u003c\/strong\u003e\u003cbr\u003eA: Both are NPN TO-92 small-signal transistors with similar ratings (45V, 100mA). Key differences: (1) Pinout — BC547 is CBE (left to right), 2N3904 is EBC. Always verify pinout before substituting. (2) hFE — 2N3904 is 100–300 (lower than BC547C). (3) fT — 2N3904 is 300MHz (same). They are functionally interchangeable with pinout adaptation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can BC547C be used for audio amplifier circuits?\u003c\/strong\u003e\u003cbr\u003eA: Yes — BC547C is excellent for audio preamplifier stages. Its high hFE (420–800) and 300MHz fT provide good gain and bandwidth for audio frequencies (20Hz–20kHz). Use in common-emitter configuration with appropriate bias resistors. For output stages driving speakers, use higher-current transistors (BD139, TIP31C).\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e50× BC547C NPN General-Purpose Transistor (TO-92)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991462891755,"sku":"\u003cnone\u003e","price":4.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/bc547c-to92-npn-triode-transistor.webp?v=1761721176"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/collections\/image_581b5468-17db-45a0-b00e-2168d54cdb89.png?v=1776228599","url":"https:\/\/keszoox.com\/collections\/transistors-mosfets.oembed?page=2","provider":"Keszoox","version":"1.0","type":"link"}