{"product_id":"irlml2502-n-channel-mosfet-sot-23-smd-20v-4-2a-logic-level-10pack","title":"IRLML2502 N-Channel MOSFET — SOT-23 SMD, 20V 4.2A, Logic-Level Gate (10-Pack)","description":"\u003ch2\u003eIRLML2502 — N-Channel Logic-Level MOSFET, SOT-23 SMD\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eIRLML2502\u003c\/strong\u003e is a compact \u003cstrong\u003eN-channel enhancement-mode MOSFET\u003c\/strong\u003e in a \u003cstrong\u003eSOT-23 SMD package\u003c\/strong\u003e, optimized for \u003cstrong\u003elogic-level gate drive\u003c\/strong\u003e from 3.3V and 5V microcontrollers. With a low gate threshold of 0.45–0.9V and an on-resistance of just 45mΩ, it switches efficiently at low voltages — making it the go-to MOSFET for Arduino, ESP32, and Raspberry Pi switching applications.\u003c\/p\u003e\u003chr\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eIRLML2502\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\u003eChannel Type\u003c\/td\u003e\n\u003ctd\u003eN-Channel Enhancement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-Source Voltage (V\u003csub\u003eDS\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Drain Current (I\u003csub\u003eD\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e4.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance (R\u003csub\u003eDS(on)\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e45mΩ @ V\u003csub\u003eGS\u003c\/sub\u003e=4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Threshold Voltage (V\u003csub\u003eGS(th)\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e0.45V – 0.9V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate-Source Voltage (V\u003csub\u003eGS\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e±12V max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Gate Charge (Q\u003csub\u003eg\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e3.5nC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +150°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew, Original (Infineon\/IR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose IRLML2502?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue logic-level gate\u003c\/strong\u003e — fully on at V\u003csub\u003eGS\u003c\/sub\u003e=2.5V, compatible with 3.3V and 5V GPIO directly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low R\u003csub\u003eDS(on)\u003c\/sub\u003e = 45mΩ\u003c\/strong\u003e — minimal conduction loss for battery-powered designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOT-23 package\u003c\/strong\u003e — tiny footprint for space-constrained PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast switching\u003c\/strong\u003e — 3.5nC gate charge enables high-frequency PWM control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.2A continuous\u003c\/strong\u003e — handles LED strips, small motors, solenoids, and relay coils\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-pack value\u003c\/strong\u003e — enough for multiple projects or production prototypes\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino \/ ESP32 \/ STM32 GPIO switching\u003c\/strong\u003e — control loads directly from 3.3V or 5V pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED driver\u003c\/strong\u003e — PWM dimming of LED strips and high-power LEDs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor control\u003c\/strong\u003e — low-side switch for small DC motors and solenoids\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery management\u003c\/strong\u003e — load switch and protection circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevel shifting\u003c\/strong\u003e — bidirectional logic level converter (with pull-up resistors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower management\u003c\/strong\u003e — enable\/disable peripheral power rails\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cp\u003eCommon substitutes include \u003cstrong\u003e2N7002, BSS138, SI2302, AO3400\u003c\/strong\u003e (verify R\u003csub\u003eDS(on)\u003c\/sub\u003e and V\u003csub\u003eGS(th)\u003c\/sub\u003e for your design). IRLML2502 offers lower R\u003csub\u003eDS(on)\u003c\/sub\u003e than 2N7002\/BSS138, making it preferred for higher current applications.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can IRLML2502 be driven directly from a 3.3V Arduino or ESP32 GPIO?\u003c\/strong\u003e\u003cbr\u003eA: Yes. With V\u003csub\u003eGS(th)\u003c\/sub\u003e of 0.45–0.9V, the IRLML2502 is fully enhanced at 3.3V gate drive, achieving near-minimum R\u003csub\u003eDS(on)\u003c\/sub\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum load current?\u003c\/strong\u003e\u003cbr\u003eA: 4.2A continuous drain current. For PCB designs, ensure adequate copper pour for heat dissipation at higher currents.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is IRLML2502 suitable for PWM motor control?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The low gate charge (3.5nC) allows efficient switching at PWM frequencies up to several hundred kHz.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10× IRLML2502 SOT-23 N-Channel MOSFET (new, original)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991471509739,"sku":"\u003cnone\u003e","price":5.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/irlml2502-sot23-n-channel-mosfet-smd.webp?v=1761633561","url":"https:\/\/keszoox.com\/products\/irlml2502-n-channel-mosfet-sot-23-smd-20v-4-2a-logic-level-10pack","provider":"Keszoox","version":"1.0","type":"link"}