{"title":"ICs \u0026 Logic Chips","description":"\u003ch2\u003eICs \u0026amp; Logic Chips – SMD \u0026amp; DIP Integrated Circuits for Electronics\u003c\/h2\u003e\u003cp\u003eBuild smarter circuits with our comprehensive range of \u003cstrong\u003elogic ICs, op-amps, flash memory, EEPROM, power management ICs, audio amplifier chips, and gate driver ICs\u003c\/strong\u003e – in SOP-8, DIP-8, SOP-14, SOP-16, and SOP-20 packages.\u003c\/p\u003e\u003ch3\u003eWhat's in This Collection\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMD IC Kits\u003c\/strong\u003e – Assorted SMD integrated circuit kits with storage boxes for repair and prototyping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash Memory ICs\u003c\/strong\u003e – W25Q16\/W25Q32\/W25Q64\/W25Q128 SOP-8 serial flash memory for BIOS and firmware storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEEPROM ICs\u003c\/strong\u003e – 24LC512, 24C01–24C512, 93C46–93C86 SOP-8 I²C serial EEPROM chips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOp-Amp ICs\u003c\/strong\u003e – LM358, LM224, LM393, LM311 SOP-8\/SOP-14 operational amplifier chips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic ICs\u003c\/strong\u003e – 74HC74D flip-flop, 74HC245 bus transceiver, CD4017, CD4060 SOP-14\/SOP-16 logic chips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Amplifier ICs\u003c\/strong\u003e – 8002A\/LTK5128\/LTK8002D SOP-8 audio amplifier chips for speaker driver circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Management ICs\u003c\/strong\u003e – LM317T, LM7805, L7812, APW7142, MP1582 voltage regulator and power management chips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGate Driver ICs\u003c\/strong\u003e – IR2104S, IR2113S MOSFET\/IGBT gate driver ICs for power electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS-485\/Communication ICs\u003c\/strong\u003e – SP485EEN RS-485 transceiver, PCF8574T I²C port expander chips\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose Keszoox?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ 100+ IC products in stock\u003c\/li\u003e\n\u003cli\u003e✅ SOP-8, DIP-8, SOP-14, SOP-16 packages\u003c\/li\u003e\n\u003cli\u003e✅ Bulk quantities available – ready to ship worldwide\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"smd-integrated-circuit-assortment-kit-common-logic-linear","title":"SMD Integrated Circuit Assortment Kit – Common Logic \u0026 Linear ICs, Surface Mount","description":"\u003ch2\u003eSMD Integrated Circuit Assortment Kit – Common Logic \u0026amp; Linear ICs, Surface Mount\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eSMD IC assortment kit\u003c\/strong\u003e focuses on the most commonly used logic and linear integrated circuits in surface-mount packages – the essential ICs that appear most frequently in consumer electronics, industrial equipment, and embedded system PCBs. Ideal for repair technicians who need a reliable stock of the most-replaced SMD ICs, and for engineers building a comprehensive SMD component library. All ICs are in standard SMD packages and are RoHS compliant.\u003c\/p\u003e\n\n\u003ch3\u003eKit Contents – Common Logic \u0026amp; Linear SMD ICs\u003c\/h3\u003e\n\n\u003ch4\u003eCommon Logic ICs (74HC \/ 74HCT Series)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGates:\u003c\/strong\u003e 74HC00 (NAND), 74HC04 (Inverter), 74HC08 (AND), 74HC32 (OR), 74HC86 (XOR)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlip-flops:\u003c\/strong\u003e 74HC74 (dual D), 74HC14 (Schmitt inverter)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShift registers:\u003c\/strong\u003e 74HC595 (serial-out), 74HC165 (serial-in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuffers:\u003c\/strong\u003e 74HC245 (bus transceiver), 74HC125 (quad buffer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eCommon Linear ICs\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOp-amps:\u003c\/strong\u003e LM358 (dual, single-supply), LM324 (quad, single-supply), TL072 (dual JFET audio)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComparators:\u003c\/strong\u003e LM393 (dual), LM339 (quad)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio amplifiers:\u003c\/strong\u003e LM386 (0.25–1W), NE5532 (dual low-noise audio)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTimers:\u003c\/strong\u003e NE555 (astable\/monostable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage regulators:\u003c\/strong\u003e LM317 (adjustable), AMS1117-3.3 (3.3V LDO), 78L05 (5V 100mA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Types:\u003c\/strong\u003e SOP-8, SOP-14, SOP-16 (SMD surface mount)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e RoHS compliant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New, original\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Anti-static packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho This Kit Is For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB repair technicians:\u003c\/strong\u003e Stock of the most commonly replaced SMD ICs in consumer electronics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics engineers:\u003c\/strong\u003e Comprehensive SMD IC library for PCB design and prototyping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMakers:\u003c\/strong\u003e Advanced SMD component collection for complex PCB projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduction:\u003c\/strong\u003e Small-batch production stock for common logic and linear functions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAssorted SMD ICs – common logic and linear (see kit description for specific ICs included)\u003c\/li\u003e\n  \u003cli\u003eAnti-static storage packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe most-needed SMD ICs in one kit – common logic and linear integrated circuits in surface mount packages for PCB repair, prototyping, and production.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45616181706987,"sku":"\u003cnone\u003e","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/SMD_Integrated_Circuit_Kit.webp?v=1723434464"},{"product_id":"smd-integrated-circuit-ic-assortment-kit-mixed-logic-analog","title":"SMD Integrated Circuit IC Assortment Kit – Mixed Logic \u0026 Analog ICs, Surface Mount","description":"\u003ch2\u003eSMD Integrated Circuit IC Assortment Kit – Mixed Logic \u0026amp; Analog ICs, Surface Mount\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eSMD IC assortment kit\u003c\/strong\u003e provides a curated selection of the most commonly needed surface-mount integrated circuits – covering both digital logic and analog functions in a single kit. Designed for PCB repair technicians, electronics engineers, and makers who need a broad stock of SMD ICs for prototyping, repair, and production work. All ICs are in standard SMD packages (SOP-8, SOP-14, SOP-16) and are RoHS compliant.\u003c\/p\u003e\n\n\u003ch3\u003eKit Contents – Mixed Logic \u0026amp; Analog SMD ICs\u003c\/h3\u003e\n\n\u003ch4\u003eLogic ICs (Digital)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e74HC series gates: NAND (74HC00), NOR (74HC02), Inverter (74HC04), AND (74HC08), OR (74HC32)\u003c\/li\u003e\n  \u003cli\u003e74HC flip-flops and registers: 74HC74 (D flip-flop), 74HC595 (shift register)\u003c\/li\u003e\n  \u003cli\u003e74HC buffers and transceivers: 74HC245 (bus transceiver), 74HC373 (latch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAnalog ICs\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eOp-amps: LM358 (dual), LM324 (quad), TL072 (dual JFET), NE5532 (dual audio)\u003c\/li\u003e\n  \u003cli\u003eComparators: LM393 (dual), LM339 (quad)\u003c\/li\u003e\n  \u003cli\u003eTimers: NE555 (timer)\u003c\/li\u003e\n  \u003cli\u003eVoltage regulators: LM317 (adjustable), 78L05 (5V 100mA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Types:\u003c\/strong\u003e SOP-8, SOP-14, SOP-16 (SMD surface mount)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e RoHS compliant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New, original\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Anti-static packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho This Kit Is For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB repair technicians:\u003c\/strong\u003e Stock of commonly replaced SMD ICs for consumer electronics repair\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics engineers:\u003c\/strong\u003e Prototyping stock for SMD PCB design and testing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMakers and hobbyists:\u003c\/strong\u003e SMD IC collection for advanced PCB projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics students:\u003c\/strong\u003e Hands-on SMD soldering and circuit design practice\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAssorted SMD ICs – mixed logic and analog (see kit description for specific ICs included)\u003c\/li\u003e\n  \u003cli\u003eAnti-static storage packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA comprehensive SMD IC starter stock – mixed logic and analog integrated circuits in surface mount packages for PCB prototyping, repair, and production.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45616183247083,"sku":"\u003cnone\u003e","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/SMD_Integrated_Circuit_IC_Kit.webp?v=1723434585"},{"product_id":"lm386-audio-amplifier","title":"LM386 Low Voltage Audio Amplifier IC — DIP-8","description":"\u003ch2\u003eLM386 Low Voltage Audio Amplifier IC — DIP-8\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLM386\u003c\/strong\u003e is the most popular low-voltage audio power amplifier IC for hobbyist and Arduino projects. Operating from \u003cstrong\u003e4V to 12V\u003c\/strong\u003e with adjustable gain from \u003cstrong\u003e20× to 200×\u003c\/strong\u003e, it can drive an 8Ω speaker at up to \u003cstrong\u003e1W output power\u003c\/strong\u003e. 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Drives an 8Ω speaker at up to \u003cstrong\u003e0.5W\u003c\/strong\u003e from a 5V supply — no external components needed. Simply connect power, audio input, and speaker to start amplifying. 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Using just \u003cstrong\u003e4 digital control pins\u003c\/strong\u003e (S0–S3), you can route any of 16 analog or digital signals through a single common pin — ideal for reading 16 sensors with only 5 Arduino pins total. 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The “F” suffix indicates Fast-Plus I²C support (up to 1MHz), making it faster than standard 24LC64 variants. 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With 32KB of non-volatile storage accessible over a 2-wire I²C interface, it provides far more storage than the internal EEPROM of most microcontrollers (Arduino Uno has only 1KB). Up to 8 devices can share a single I²C bus for up to 256KB of addressable storage. The DIP-8 package is ideal for breadboard prototyping.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 24LC256 \/ 24LC256-I\/P \/ AT24C256\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-8 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 256Kbit = 32KB = 32,768 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I²C (2-wire: SDA + SCL)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI²C Speed:\u003c\/strong\u003e 400kHz (Fast Mode)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.5V – 5.5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI²C Address:\u003c\/strong\u003e 0x50–0x57 (set via A0, A1, A2 pins)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePage Write Size:\u003c\/strong\u003e 64 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Cycle Time:\u003c\/strong\u003e 5ms (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Endurance:\u003c\/strong\u003e 1,000,000 cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Retention:\u003c\/strong\u003e 200 years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Wiring\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePin 1 (A0), 2 (A1), 3 (A2): Pull to GND for address 0x50\u003c\/li\u003e\n  \u003cli\u003ePin 4 (VSS): GND\u003c\/li\u003e\n  \u003cli\u003ePin 5 (SDA): Arduino A4 (with 4.7kΩ pull-up to VCC)\u003c\/li\u003e\n  \u003cli\u003ePin 6 (SCL): Arduino A5 (with 4.7kΩ pull-up to VCC)\u003c\/li\u003e\n  \u003cli\u003ePin 7 (WP): GND (write enabled)\u003c\/li\u003e\n  \u003cli\u003ePin 8 (VCC): 5V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino data logging:\u003c\/strong\u003e Store sensor readings and timestamps (32KB = ~16,000 float values)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration storage:\u003c\/strong\u003e Non-volatile settings for embedded systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibration data:\u003c\/strong\u003e Store sensor calibration coefficients\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser preferences:\u003c\/strong\u003e Persistent settings in consumer electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 24LC256 DIP-8 256Kbit I²C EEPROM IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e32KB of reliable I²C non-volatile storage in a breadboard-friendly DIP-8 package – the 24LC256 is the go-to EEPROM for Arduino data logging and embedded configuration storage.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45673280012523,"sku":"","price":5.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/24LC256-256K-Bit-EEPROM.jpg?v=1723007505"},{"product_id":"74hc595-8bit-serial-in-parallel-out-shift-register-ic-dip16","title":"74HC595 8-Bit Serial-In Parallel-Out Shift Register IC DIP-16 – Output Latch, 3-State","description":"\u003ch2\u003e74HC595 8-Bit Serial-In Parallel-Out Shift Register IC – DIP-16\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e74HC595\u003c\/strong\u003e is the most popular output expander IC in the maker and embedded systems world – it takes serial data from a microcontroller over 3 wires (DATA, CLOCK, LATCH) and drives 8 parallel outputs simultaneously. Connect one to an Arduino and drive 8 LEDs, relays, or digital outputs using only 3 GPIO pins. Cascade multiple ICs to drive 16, 24, or 32 outputs with the same 3-wire interface. The output latch ensures all 8 outputs update simultaneously, preventing glitches during data shifting.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 74HC595 \/ SN74HC595N \/ MC74HC595AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-16 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e 8-bit serial-in, parallel-out shift register with output latch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClock Frequency:\u003c\/strong\u003e Up to 25MHz at 4.5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin (70mA total)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Enable (̅O̅E̅):\u003c\/strong\u003e Active LOW – tri-state all outputs when HIGH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaster Reset (̅M̅R̅):\u003c\/strong\u003e Active LOW – clears shift register (not output latch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow the 74HC595 Works\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStep 1 – Shift:\u003c\/strong\u003e Clock in 8 bits of data via DS (serial data) and SHCP (shift clock) – data enters the shift register\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStep 2 – Latch:\u003c\/strong\u003e Pulse STCP (storage clock \/ latch) – all 8 bits transfer to output latch simultaneously\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResult:\u003c\/strong\u003e Q0–Q7 outputs update all at once – no glitches during shifting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCascade:\u003c\/strong\u003e Connect Q7S (serial output) of IC1 to DS of IC2 for 16-bit expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Wiring (3 Pins)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDS (Pin 14) → Arduino data pin (e.g., D11)\u003c\/li\u003e\n  \u003cli\u003eSHCP (Pin 11) → Arduino clock pin (e.g., D13)\u003c\/li\u003e\n  \u003cli\u003eSTCP (Pin 12) → Arduino latch pin (e.g., D8)\u003c\/li\u003e\n  \u003cli\u003e̅O̅E̅ (Pin 13) → GND (always enabled)\u003c\/li\u003e\n  \u003cli\u003e̅M̅R̅ (Pin 10) → VCC (no reset)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino GPIO expansion:\u003c\/strong\u003e Drive 8 LEDs, relays, or digital outputs with 3 pins\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED matrix driver:\u003c\/strong\u003e Row or column driver for LED matrix displays\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7-segment display driver:\u003c\/strong\u003e Drive 7-segment displays via serial interface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay board control:\u003c\/strong\u003e Control 8 relays from 3 microcontroller pins\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCascaded expansion:\u003c\/strong\u003e Chain for 16, 24, 32+ digital outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 74HC595 DIP-16 8-bit serial-in parallel-out shift register IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e3 pins in, 8 outputs out – the 74HC595 is the essential output expander for Arduino, Raspberry Pi, and any microcontroller project needing more digital outputs.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674451665131,"sku":"","price":5.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74HC595-8-Bit-Shift-Register-1.jpg?v=1723007483"},{"product_id":"74hct125-quad-bus-buffer-ic-dip14-ttl-compatible-3-state","title":"74HCT125 Quad Bus Buffer IC DIP-14 – TTL-Compatible, 3-State, Non-Inverting","description":"\u003ch2\u003e74HCT125 Quad Bus Buffer IC – DIP-14, TTL-Compatible, 3-State\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e74HCT125\u003c\/strong\u003e is a quad (4-channel) non-inverting bus buffer with TTL-compatible inputs and individually controlled 3-state outputs – the TTL-input version of the 74HC125. Each of the four channels has its own independent output enable (̅O̅E̅) pin, allowing individual channel control. With TTL input thresholds (VIH = 2.0V), it's the correct choice for buffering 3.3V signals to drive 5V TTL systems, or for isolating bus segments with independent tri-state control.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 74HCT125 \/ SN74HCT125N \/ MC74HCT125AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 (independent, non-inverting)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 4.5V – 5.5V (5V operation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Thresholds:\u003c\/strong\u003e TTL (VIH = 2.0V, VIL = 0.8V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Enable:\u003c\/strong\u003e Individual per channel (̅O̅E̅1–̅O̅E̅4, active LOW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~10ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e74HCT125 vs 74HC125 – Input Threshold Difference\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HC125:\u003c\/strong\u003e CMOS inputs (VIH = 0.7×VCC = 3.5V at 5V) – requires full CMOS swing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HCT125:\u003c\/strong\u003e TTL inputs (VIH = 2.0V) – accepts 3.3V logic signals at 5V supply\u003c\/li\u003e\n  \u003cli\u003eUse 74HCT125 when the input signal is 3.3V and the output needs to be 5V-compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.3V → 5V level shifting:\u003c\/strong\u003e Buffer 3.3V microcontroller outputs to drive 5V TTL peripherals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBus isolation:\u003c\/strong\u003e Individually tri-state 4 bus lines with independent control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal buffering:\u003c\/strong\u003e Drive multiple loads from a single signal source\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino to 5V TTL:\u003c\/strong\u003e Interface Arduino (5V) outputs with TTL-threshold devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiplexed bus:\u003c\/strong\u003e Selectively connect\/disconnect bus segments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 74HCT125 DIP-14 quad bus buffer IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFour independently controlled TTL-compatible buffers with 3-state outputs – the 74HCT125 is the go-to IC for 3.3V↔5V level shifting and bus isolation with individual channel control.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674451894507,"sku":"","price":5.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74HCT125-4-Channel-Buffer-with-3-State-outputs.jpg?v=1723007479"},{"product_id":"74hct245-octal-bus-transceiver-ic-dip20-ttl-compatible-3-state","title":"74HCT245 Octal Bus Transceiver IC DIP-20 – TTL-Compatible, 3-State, Bidirectional","description":"\u003ch2\u003e74HCT245 Octal Bus Transceiver IC – DIP-20, TTL-Compatible, 3-State\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e74HCT245\u003c\/strong\u003e is an octal (8-bit) bidirectional bus transceiver with TTL-compatible inputs and 3-state outputs – the TTL-input version of the popular 74HC245. The key difference: the 74HCT245 accepts TTL logic levels (VIH = 2.0V) at its inputs, making it the correct choice for interfacing 5V TTL logic with CMOS systems, or for level shifting between 3.3V and 5V systems when the driving side uses TTL thresholds. Eight bidirectional buffers with direction control (DIR) and output enable (̅O̅E̅) in a single DIP-20 package.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 74HCT245 \/ SN74HCT245N \/ MC74HCT245AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-20 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 8 (bidirectional)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 4.5V – 5.5V (5V operation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Thresholds:\u003c\/strong\u003e TTL (VIH = 2.0V, VIL = 0.8V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~10ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirection Control (DIR):\u003c\/strong\u003e HIGH = A→B, LOW = B→A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Enable (̅O̅E̅):\u003c\/strong\u003e Active LOW – pull HIGH to tri-state all outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e74HCT245 vs 74HC245 – When to Use Each\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HC245:\u003c\/strong\u003e CMOS inputs (VIH = 0.7×VCC) – use when driving from CMOS logic (Arduino, ESP32)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HCT245:\u003c\/strong\u003e TTL inputs (VIH = 2.0V) – use when driving from 5V TTL logic or for 3.3V↔5V level shifting\u003c\/li\u003e\n  \u003cli\u003eBoth have identical output specifications and pinout\u003c\/li\u003e\n  \u003cli\u003eUse 74HCT245 when the input signal may not reach 0.7×VCC (e.g., 3.3V signal driving a 5V 74HC245)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData bus buffering:\u003c\/strong\u003e Bidirectional 8-bit data bus isolation and buffering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.3V ↔ 5V level shifting:\u003c\/strong\u003e Interface 3.3V microcontrollers with 5V peripherals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBus isolation:\u003c\/strong\u003e Separate bus segments with tri-state control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTTL to CMOS interface:\u003c\/strong\u003e Buffer 5V TTL signals for CMOS systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory interface:\u003c\/strong\u003e Data bus buffering for SRAM and EEPROM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 74HCT245 DIP-20 octal bus transceiver IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEight bidirectional TTL-compatible buffers with 3-state outputs – the 74HCT245 is the correct choice for 5V TTL bus buffering and 3.3V↔5V level shifting in digital systems.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674455662827,"sku":"","price":5.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74HCT245-Bus-Transceiver-with-3-State-Outputs.jpg?v=1723007474"},{"product_id":"lm317-adjustable-positive-voltage-regulator-ic-1-25v-37v-1-5a","title":"LM317 Adjustable Positive Voltage Regulator IC – 1.25V to 37V, 1.5A (TO-220 \/ DIP)","description":"\u003ch2\u003eLM317 Adjustable Positive Voltage Regulator IC – 1.25V to 37V, 1.5A\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM317\u003c\/strong\u003e is the world's most popular adjustable positive voltage regulator – a three-terminal IC that delivers any output voltage from 1.25V to 37V at up to 1.5A, set by just two external resistors. With built-in thermal shutdown, overcurrent protection, and safe operating area protection, it's virtually indestructible in normal use. The LM317 has been in continuous production since 1970 and remains the standard choice for adjustable linear power supply design, battery charging, and LED driving.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM317 \/ LM317T (TO-220) \/ LM317L (TO-92)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage Range:\u003c\/strong\u003e 1.25V – 37V (adjustable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 1.5A (continuous, with heatsink)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 3V – 40V DC (must be ≥3V above Vout)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReference Voltage:\u003c\/strong\u003e 1.25V (between Output and Adjust pins)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Accuracy:\u003c\/strong\u003e ±1.5% (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLine Regulation:\u003c\/strong\u003e 0.01%\/V | \u003cstrong\u003eLoad Regulation:\u003c\/strong\u003e 0.1%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +125°C\u003c\/li\u003e\n  \u003cli\u003eBuilt-in thermal shutdown, overcurrent, and SOA protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOutput Voltage Formula\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVout = 1.25V × (1 + R2\/R1)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith R1 = 240Ω: R2 = 720Ω → 5V | R2 = 2.16kΩ → 12V | R2 = 6.96kΩ → 37V\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable bench power supply:\u003c\/strong\u003e Variable voltage source for electronics prototyping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery charger:\u003c\/strong\u003e Constant-voltage charging for NiMH, lead-acid, and Li-ion batteries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED driver:\u003c\/strong\u003e Constant-current LED driving with sense resistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor speed control:\u003c\/strong\u003e Variable voltage for DC motor speed adjustment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics education:\u003c\/strong\u003e Teaching voltage regulation and resistor divider theory\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM317 adjustable positive voltage regulator IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe world's most popular adjustable voltage regulator – the LM317 delivers any voltage from 1.25V to 37V at 1.5A with just two resistors and built-in protection.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674463396075,"sku":"","price":6.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Regulator-LM317-1.jpg?v=1723007426"},{"product_id":"lm324n-quad-single-supply-op-amp-ic-dip14","title":"LM324N Quad Single-Supply Op-Amp IC DIP-14 – 3V–32V, 4 Channels","description":"\u003ch2\u003eLM324N Quad Single-Supply Op-Amp IC – DIP-14\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM324N\u003c\/strong\u003e is the quad version of the LM358 – four independent single-supply operational amplifiers in a single DIP-14 package. With single-supply operation from 3V to 32V, input common-mode range extending to ground, and output swing to within millivolts of the negative rail, it's the go-to quad op-amp for battery-powered circuits, multi-channel sensor conditioning, and analog processing where four op-amp channels are needed. The LM324 is one of the most widely produced op-amps in history and appears in countless consumer electronics and industrial designs.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM324N \/ LM324 \/ LM324AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOp-Amps:\u003c\/strong\u003e 4 (quad, independent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3V – 32V (single) \/ ±1.5V – ±16V (dual)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Common-Mode Range:\u003c\/strong\u003e GND to VCC−1.5V (includes ground)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Swing:\u003c\/strong\u003e 0V to VCC−1.5V (single supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 1 MHz (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 0.5 V\/μs (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Current (all 4):\u003c\/strong\u003e 0.8mA (typical at 5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-channel sensor conditioning:\u003c\/strong\u003e 4-channel amplification for temperature, pressure, and current sensors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComparator arrays:\u003c\/strong\u003e 4 voltage threshold detectors in one package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive filter banks:\u003c\/strong\u003e Multi-stage low-pass, high-pass, and bandpass filters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery-powered circuits:\u003c\/strong\u003e Single-supply analog processing from 3V–5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSumming amplifiers:\u003c\/strong\u003e 4-channel audio mixer or signal combiner\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino signal conditioning:\u003c\/strong\u003e Multi-channel sensor amplification before ADC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM324N DIP-14 quad single-supply op-amp IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFour single-supply op-amps in one DIP-14 package – the LM324N is the go-to quad op-amp for multi-channel sensor conditioning, active filter banks, and battery-powered analog circuit design.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674464739563,"sku":"","price":5.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LM324-Quad-Op-Amp.jpg?v=1723007422"},{"product_id":"lm358-dual-single-supply-op-amp-ic-dip8","title":"LM358 Dual Single-Supply Op-Amp IC DIP-8 – 3V–32V, Input Range to GND","description":"\u003ch2\u003eLM358 Dual Single-Supply Op-Amp IC – DIP-8\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM358\u003c\/strong\u003e is the most widely used dual single-supply operational amplifier – two independent op-amps in a single DIP-8 package, designed to operate from a single supply voltage as low as 3V. Unlike the UA741 which requires a dual (±) supply, the LM358's input common-mode range extends to ground and its output swings to within millivolts of the negative rail, making it ideal for battery-powered circuits, sensor signal conditioning, and any application where a single supply is preferred. The LM358 appears in virtually every analog electronics textbook and is found in countless consumer electronics designs.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM358 \/ LM358N \/ LM358P\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-8 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOp-Amps:\u003c\/strong\u003e 2 (dual, independent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3V – 32V (single) \/ ±1.5V – ±16V (dual)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Common-Mode Range:\u003c\/strong\u003e GND to VCC−1.5V (includes ground)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Swing:\u003c\/strong\u003e 0V to VCC−1.5V (single supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 1 MHz (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 0.6 V\/μs (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Current:\u003c\/strong\u003e 0.5mA (typical, both amplifiers)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor amplification:\u003c\/strong\u003e Amplify temperature, light, and pressure sensor outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComparator:\u003c\/strong\u003e Voltage threshold detection (use LM393 for dedicated comparator)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive filters:\u003c\/strong\u003e Low-pass, high-pass, and bandpass filter stages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery-powered circuits:\u003c\/strong\u003e Single-supply analog processing from 3V–5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino signal conditioning:\u003c\/strong\u003e Amplify sensor signals before ADC input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSumming amplifier:\u003c\/strong\u003e Mix two analog signals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM358 DIP-8 dual single-supply op-amp IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTwo single-supply op-amps in one DIP-8 package – the LM358 is the go-to dual op-amp for battery-powered circuits, sensor amplification, and any application requiring single-supply operation.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674467328235,"sku":"","price":5.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LM358-Dual-Op-Amp-1.jpg?v=1723007403"},{"product_id":"lm741c-ua741-general-purpose-op-amp-ic-dip8","title":"LM741C \/ UA741 General-Purpose Op-Amp IC DIP-8 – Single, 1MHz GBW","description":"\u003ch2\u003eLM741C \/ UA741 General-Purpose Op-Amp IC – DIP-8\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM741C (UA741)\u003c\/strong\u003e is the original general-purpose operational amplifier – the IC that defined the op-amp category and has been in continuous production since 1968. While modern op-amps like the TL072 and NE5532 offer superior performance, the LM741 remains the standard teaching IC for op-amp fundamentals: its characteristics are well-documented in every analog electronics textbook, its behavior is predictable, and its limitations make it an excellent tool for understanding op-amp theory. The DIP-8 package is ideal for breadboard prototyping and electronics education.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM741C \/ LM741CN \/ UA741 \/ μA741\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-8 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComparators:\u003c\/strong\u003e 1 (single)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e ±5V to ±18V (dual supply required)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 1 MHz (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 0.5 V\/μs (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Offset Voltage:\u003c\/strong\u003e 1mV (typical), 6mV (max)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpen-Loop Gain:\u003c\/strong\u003e 200V\/mV (106dB)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Short-Circuit Protection:\u003c\/strong\u003e Yes (indefinite)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics education:\u003c\/strong\u003e Inverting\/non-inverting amplifier, integrator, differentiator lab exercises\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLegacy circuit repair:\u003c\/strong\u003e Replacement for LM741\/UA741 in older analog equipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSumming amplifier:\u003c\/strong\u003e Audio mixer and signal summing circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive filters:\u003c\/strong\u003e Low-frequency filter design (limited by 1MHz GBW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage follower:\u003c\/strong\u003e Buffer\/impedance converter circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM741C DIP-8 single general-purpose op-amp IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe original op-amp – the LM741C is the standard teaching IC for operational amplifier fundamentals and the go-to replacement for legacy analog circuit repair.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674467557611,"sku":"","price":5.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LM741-Op-Amp.jpg?v=1723007399"},{"product_id":"lm386-low-voltage-audio-amplifier-ic-dip8-0-25w-1w","title":"LM386 Low-Voltage Audio Amplifier IC DIP-8 – 0.25W to 1W, 4V–12V Supply","description":"\u003ch2\u003eLM386 Low-Voltage Audio Amplifier IC – DIP-8\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM386\u003c\/strong\u003e is the classic low-voltage audio power amplifier IC – a self-contained mono amplifier that drives a small speaker directly from a 4V to 12V supply with no external power transistors required. With adjustable gain from 20× to 200× and output power from 0.25W to 1W depending on supply voltage and load, it's the go-to IC for portable speaker projects, Arduino audio output, intercoms, and battery-powered audio applications. The DIP-8 package makes it ideal for breadboard prototyping.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM386 \/ LM386N \/ LM386N-1 \/ LM386N-3 \/ LM386N-4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-8 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 4V – 12V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 0.25W (4Ω, 6V) \/ 0.5W (8Ω, 9V) \/ 1W (8Ω, 12V, LM386N-4)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e 20× (default) to 200× (with 10μF between pins 1 and 8)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 50kΩ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiescent Current:\u003c\/strong\u003e 4mA (typical at 6V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTHD:\u003c\/strong\u003e 0.2% (typical at 125mW, 8Ω, 6V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C\u003c\/li\u003e\n  \u003cli\u003eBuilt-in thermal shutdown protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGain Setting\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20× (26dB):\u003c\/strong\u003e Pins 1 and 8 open (default)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e50× (34dB):\u003c\/strong\u003e 1.2kΩ resistor between pins 1 and 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e200× (46dB):\u003c\/strong\u003e 10μF capacitor between pins 1 and 8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino speaker driver:\u003c\/strong\u003e Drive a small 8Ω speaker from Arduino PWM or DAC output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable speaker:\u003c\/strong\u003e Battery-powered compact speaker amplifier\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntercom system:\u003c\/strong\u003e Voice amplification for two-way communication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWalkie-talkie audio:\u003c\/strong\u003e Receiver audio amplifier stage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAM\/FM radio:\u003c\/strong\u003e Audio output stage for radio receiver circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIoT audio alerts:\u003c\/strong\u003e Speaker driver for notification and alarm sounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM386 DIP-8 low-voltage audio amplifier IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe classic portable audio amplifier IC – the LM386 drives a small speaker directly from 4V–12V with adjustable gain up to 200× and no external power transistors required.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674468704491,"sku":"","price":5.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LM386-Audio-Amplifier-1_c81644d3-22fd-4075-9554-4faedfb832d4.jpg?v=1723007394"},{"product_id":"lm393-dual-voltage-comparator-ic-dip8","title":"LM393 Dual Voltage Comparator IC DIP-8 – Open-Collector, 2V–36V Single Supply","description":"\u003ch2\u003eLM393 Dual Voltage Comparator IC – DIP-8\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM393\u003c\/strong\u003e is the industry-standard dual voltage comparator – a dedicated IC designed specifically for comparing two analog voltages and producing a digital output. With open-collector outputs, wide supply voltage range (2V–36V single supply), and the ability to interface directly with TTL and CMOS logic, the LM393 is the go-to comparator for sensor threshold detection, zero-crossing detection, and analog-to-digital signal conversion. Two comparator channels in one DIP-8 package.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM393 \/ LM393N \/ LM393P\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-8 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComparators:\u003c\/strong\u003e 2 (dual, independent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Open-collector (requires external pull-up resistor)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 36V (single) \/ ±1V – ±18V (dual)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Common-Mode Range:\u003c\/strong\u003e GND to VCC−1.5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e 1.3μs (typical, 5mV overdrive)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Sink Current:\u003c\/strong\u003e 16mA (max)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Current:\u003c\/strong\u003e 0.8mA (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor threshold detection:\u003c\/strong\u003e Temperature, light, pressure sensor alarm circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero-crossing detection:\u003c\/strong\u003e AC waveform zero-crossing for phase control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWindow comparator:\u003c\/strong\u003e Detect if signal is within a voltage window\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery monitor:\u003c\/strong\u003e Low-battery detection and alert circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSchmitt trigger:\u003c\/strong\u003e Add hysteresis with positive feedback for noise-immune switching\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino analog comparator:\u003c\/strong\u003e External comparator for faster response than internal ADC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM393 DIP-8 dual voltage comparator IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTwo precision comparators, open-collector outputs, 2V–36V supply – the LM393 is the correct tool for any voltage comparison task in analog and mixed-signal circuit design.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674468901099,"sku":"","price":6.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LM393-Dual-Comparator-1.jpg?v=1723007390"},{"product_id":"w25q128jv-128mbit-16mb-spi-nor-flash-memory-ic-teensy-4-1","title":"W25Q128JV 128Mbit (16MB) SPI NOR Flash Memory IC – For Teensy 4.1 \u0026 Embedded Systems","description":"\u003ch2\u003eW25Q128JV 128Mbit (16MB) SPI NOR Flash Memory IC – For Teensy 4.1 \u0026amp; Embedded Systems\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eW25Q128JV\u003c\/strong\u003e from Winbond is a 128Mbit (16MB) SPI NOR flash memory IC – the second-largest capacity in the standard W25Q series, and a popular choice for Teensy 4.1 external flash, large BIOS images, and complex embedded applications. With 133MHz SPI clock support, Quad SPI (QSPI) capability, and the same standard SOP-8 pinout as all W25Q series devices, it's pin-compatible with W25Q32, W25Q64, and W25Q512 for easy capacity upgrades.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e W25Q128JV \/ W25Q128JVSIQ \/ W25Q128JVFIQ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOP-8 (SMD, 1.27mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 128Mbit = 16MB = 16,777,216 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Standard SPI \/ Dual SPI \/ Quad SPI (QSPI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClock Frequency:\u003c\/strong\u003e Up to 133MHz (standard SPI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Throughput (QSPI):\u003c\/strong\u003e Up to 532Mbps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 3.6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePage Size:\u003c\/strong\u003e 256 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSector Size:\u003c\/strong\u003e 4KB (individually erasable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEndurance:\u003c\/strong\u003e 100,000 erase\/write cycles (minimum)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Retention:\u003c\/strong\u003e 20 years (minimum)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTeensy 4.1 External Flash\u003c\/h3\u003e\n\u003cp\u003eThe W25Q128JV solders directly to the SOP-8 footprint on the bottom of the Teensy 4.1 board. Once installed, the 16MB flash is accessible via the LittleFS or SerialFlash library and appears as a USB drive when connected to a computer.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTeensy 4.1 external flash:\u003c\/strong\u003e 16MB storage for audio samples, data logging, and large programs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBIOS \/ UEFI replacement:\u003c\/strong\u003e Large BIOS images for modern motherboards and laptops\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRouter firmware:\u003c\/strong\u003e High-capacity firmware storage for advanced router configurations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESP32 external flash:\u003c\/strong\u003e 16MB firmware + large filesystem storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData logging:\u003c\/strong\u003e High-capacity non-volatile storage for sensor data\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × W25Q128JV SOP-8 128Mbit (16MB) SPI NOR flash memory IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e16MB of trusted Winbond SPI NOR flash – the W25Q128JV is the go-to choice for Teensy 4.1 external flash, large BIOS images, and any embedded application requiring more than 8MB of SPI storage.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674479452395,"sku":"","price":7.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/16MB-Winbond-25Q128JVSQ-FLASH-SMD-IC.jpg?v=1723007322"},{"product_id":"w25n01gv-128mb-1g-bit-serial-nand-flash-for-teensy","title":"W25N01GV 1Gbit (128MB) Serial NAND Flash Memory IC — SPI\/QSPI, 3.3V, For Teensy 4.1","description":"\u003ch2\u003eW25N01GV — 1Gbit (128MB) Serial NAND Flash Memory IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eW25N01GV\u003c\/strong\u003e from Winbond is a 1Gbit (128MB) Serial NAND Flash memory IC — the most popular large-capacity flash choice for \u003cstrong\u003eTeensy 4.1 external memory expansion\u003c\/strong\u003e, data logging, audio sample storage, and embedded file systems. Unlike NOR flash, NAND flash offers significantly higher density at lower cost per bit, making the W25N01GV the preferred choice when you need 128MB of non-volatile storage in a compact SOP-8 or WSON-8 package. It is fully supported by the \u003cstrong\u003eLittleFS library\u003c\/strong\u003e on Teensy 4.1 and compatible with standard SPI and Quad SPI (QSPI) interfaces.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eW25N01GV \/ W25N01GVZEIG \/ W25N01GVSFIG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1Gbit = 128MB = 134,217,728 bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard SPI \/ Dual SPI \/ Quad SPI (QSPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClock Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 104MHz (standard SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.7V – 3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,048 bytes + 64 bytes spare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlock Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e128KB (64 pages per block)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Blocks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,024 blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEndurance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100,000 erase\/write cycles (minimum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Retention\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 years (minimum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eECC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in 1-bit ECC (hardware)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e−40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSOP-8 (SMD, 1.27mm pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWinbond Electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eNAND vs NOR Flash — Which to Choose?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNOR Flash (W25Q series):\u003c\/strong\u003e Random byte-addressable reads, execute-in-place (XIP), lower density — best for code storage and small data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAND Flash (W25N01GV, this):\u003c\/strong\u003e Higher density, lower cost per bit, sequential page reads — best for large data storage, file systems, audio samples, and data logging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTeensy 4.1 Memory Expansion\u003c\/h3\u003e\u003cp\u003eThe W25N01GV is one of the supported external flash chips for Teensy 4.1 memory expansion. Install using the \u003cstrong\u003eLittleFS library\u003c\/strong\u003e (by PaulStoffregen) available in the Arduino Library Manager. The chip solders to the dedicated flash pads on the underside of the Teensy 4.1 board. After installation, LittleFS presents the flash as a standard file system accessible via the SD-compatible API.\u003c\/p\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTeensy 4.1 external flash memory expansion (128MB file system)\u003c\/li\u003e\n\u003cli\u003eAudio sample and wavetable storage for synthesizers and audio projects\u003c\/li\u003e\n\u003cli\u003eData logger storage for sensor arrays and IoT devices\u003c\/li\u003e\n\u003cli\u003eEmbedded file system (LittleFS, SPIFFS) for ESP32 and STM32 projects\u003c\/li\u003e\n\u003cli\u003eFirmware update storage for OTA-capable embedded systems\u003c\/li\u003e\n\u003cli\u003eLarge lookup table and asset storage for display projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × W25N01GV 1Gbit Serial NAND Flash IC (SOP-8, Winbond)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003ca href=\"https:\/\/www.winbond.com\/resource-files\/W25N01GV%20Rev%20Q%20051721.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eW25N01GV Datasheet (Winbond PDF)\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674481451243,"sku":"","price":9.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/W25N01GV-1Gb-NAND-Flash.jpg?v=1723007317"},{"product_id":"w25q512jv-512mbit-64mb-spi-nor-flash-memory-ic-teensy-4-1","title":"W25Q512JV 512Mbit (64MB) SPI NOR Flash Memory IC — SOIC-8 \/ WSON-8, 133MHz, 3.3V","description":"\u003ch2\u003eW25Q512JV 512Mbit (64MB) SPI NOR Flash Memory IC — Winbond\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eWinbond W25Q512JV\u003c\/strong\u003e is a high-density \u003cstrong\u003e512Mbit (64MB) SPI NOR Flash\u003c\/strong\u003e memory IC combining large non-volatile storage capacity with a fast, flexible serial interface. Operating from a \u003cstrong\u003e2.7V–3.6V supply\u003c\/strong\u003e at up to \u003cstrong\u003e133MHz SPI clock\u003c\/strong\u003e (266MB\/s effective in Quad SPI mode), it delivers execute-in-place (XIP) capability, byte-level random read access, and 100,000 write\/erase cycles per sector — making it the preferred choice for embedded firmware storage, OTA update buffers, and large asset repositories in space-constrained designs.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with the \u003cstrong\u003eTeensy 4.1\u003c\/strong\u003e external flash footprint, \u003cstrong\u003eESP32\u003c\/strong\u003e, \u003cstrong\u003eSTM32\u003c\/strong\u003e, \u003cstrong\u003eRP2040\u003c\/strong\u003e, and virtually any microcontroller with an SPI or QSPI peripheral. The W25Q512JV supports standard SPI, Dual SPI, and Quad SPI modes — allowing you to trade off compatibility vs. throughput depending on your MCU’s capabilities.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\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\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e512Mbit (64MB \/ 67,108,864 bytes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eNOR Flash (byte-addressable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eStandard SPI \/ Dual SPI \/ Quad SPI (QSPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax SPI Clock\u003c\/td\u003e\n\u003ctd\u003e133MHz (standard SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax Quad SPI Throughput\u003c\/td\u003e\n\u003ctd\u003e266MB\/s (133MHz × 4 data lines)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2.7V – 3.6V (3.3V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003e1µA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eActive Read Current\u003c\/td\u003e\n\u003ctd\u003e4mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePage Size\u003c\/td\u003e\n\u003ctd\u003e256 bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSector Size\u003c\/td\u003e\n\u003ctd\u003e4KB (smallest erasable unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBlock Size\u003c\/td\u003e\n\u003ctd\u003e64KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWrite Endurance\u003c\/td\u003e\n\u003ctd\u003e100,000 cycles per sector\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eData Retention\u003c\/td\u003e\n\u003ctd\u003e20 years\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eExecute-in-Place (XIP)\u003c\/td\u003e\n\u003ctd\u003eYes (NOR Flash, byte-addressable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOIC-8 (1.27mm pitch) \/ WSON-8 (6×5mm)\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eWinbond Electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRoHS Compliant\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eNOR Flash vs NAND Flash — Which Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eNOR Flash (W25Q512JV)\u003c\/th\u003e\n\u003cth\u003eNAND Flash (W25N02)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRandom Read Access\u003c\/td\u003e\n\u003ctd\u003e✅ Fast, byte-addressable\u003c\/td\u003e\n\u003ctd\u003e⚠️ Page-based (slower random)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eExecute-in-Place (XIP)\u003c\/td\u003e\n\u003ctd\u003e✅ Yes — code can run directly\u003c\/td\u003e\n\u003ctd\u003e❌ No\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWrite\/Erase Speed\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eFaster (larger pages)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCapacity Range\u003c\/td\u003e\n\u003ctd\u003eUp to 64MB\u003c\/td\u003e\n\u003ctd\u003eUp to 256MB+\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eFirmware, bootloaders, code storage\u003c\/td\u003e\n\u003ctd\u003eData files, logs, LittleFS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBad Block Management\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003ctd\u003eRequired (ECC\/BBM)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Choose the W25Q512JV?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e64MB in a tiny SOIC-8 footprint\u003c\/strong\u003e — the largest capacity in the W25Q series, fitting the same 8-pin package as smaller chips\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExecute-in-Place (XIP)\u003c\/strong\u003e — NOR Flash allows code to be executed directly from the chip via QSPI, extending MCU program memory without copying to RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e133MHz Quad SPI\u003c\/strong\u003e — 266MB\/s effective throughput for fast firmware loading and asset streaming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-low standby current (1µA)\u003c\/strong\u003e — negligible power draw in battery-powered and IoT applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100,000 write cycles\u003c\/strong\u003e — suitable for OTA firmware updates, configuration writes, and moderate-frequency data logging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry-standard W25Q pinout\u003c\/strong\u003e — drop-in compatible with W25Q256, W25Q128, and other W25Q series chips\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide MCU compatibility\u003c\/strong\u003e — works with Teensy 4.1, ESP32, ESP8266, STM32, RP2040, nRF52840, and any SPI-capable MCU\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Platforms\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003cth\u003eUse Case\u003c\/th\u003e\n\u003cth\u003eInterface Mode\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTeensy 4.1\u003c\/td\u003e\n\u003ctd\u003eExternal flash footprint (bottom of board)\u003c\/td\u003e\n\u003ctd\u003eQSPI (built-in support)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 \/ ESP32-S3\u003c\/td\u003e\n\u003ctd\u003eExternal flash expansion via QSPI\u003c\/td\u003e\n\u003ctd\u003eQuad SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSTM32 (QSPI peripheral)\u003c\/td\u003e\n\u003ctd\u003eFirmware + data storage, XIP\u003c\/td\u003e\n\u003ctd\u003eQuad SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRP2040 (Raspberry Pi Pico)\u003c\/td\u003e\n\u003ctd\u003eProgram flash replacement\/expansion\u003c\/td\u003e\n\u003ctd\u003eQSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino (SPI)\u003c\/td\u003e\n\u003ctd\u003eData\/file storage via SPIFlash library\u003c\/td\u003e\n\u003ctd\u003eStandard SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTeensy 4.1 external program and data flash expansion\u003c\/li\u003e\n  \u003cli\u003eESP32 \/ STM32 firmware storage and OTA update buffer\u003c\/li\u003e\n  \u003cli\u003eLittleFS \/ SPIFFS \/ FAT file system storage\u003c\/li\u003e\n  \u003cli\u003eBootloader and multi-partition firmware storage\u003c\/li\u003e\n  \u003cli\u003eLarge lookup table, font, and bitmap asset storage for display projects\u003c\/li\u003e\n  \u003cli\u003eAudio sample and waveform storage for synthesizer and audio projects\u003c\/li\u003e\n  \u003cli\u003eConfiguration and calibration data non-volatile storage\u003c\/li\u003e\n  \u003cli\u003eData logger storage for IoT sensor nodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: Is the W25Q512JV compatible with the Teensy 4.1 external flash footprint?\u003c\/h3\u003e\n\u003cp\u003eYes. The Teensy 4.1 has a dedicated SOIC-8 footprint on the bottom of the board for external flash. The W25Q512JV fits this footprint directly. Solder before installing header pins for easier access. The Teensy 4.1 bootloader and LittleFS library support the W25Q512JV natively.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can I execute code directly from this flash chip (XIP)?\u003c\/h3\u003e\n\u003cp\u003eYes — NOR Flash supports execute-in-place. On platforms like STM32 and RP2040 with QSPI memory-mapped mode, the W25Q512JV can be mapped into the MCU’s address space and code can run directly from it. On Teensy 4.1, external flash is used for data storage (LittleFS), not direct code execution.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What is the smallest erasable unit?\u003c\/h3\u003e\n\u003cp\u003eThe smallest erasable unit is a \u003cstrong\u003e4KB sector\u003c\/strong\u003e. Individual bytes can be read or programmed (written from 1→0), but erasing (0→1) requires erasing the entire 4KB sector. Plan your file system or data layout accordingly to minimize unnecessary erase cycles.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does W25Q512JV compare to W25Q256?\u003c\/h3\u003e\n\u003cp\u003eThe W25Q512JV has \u003cstrong\u003e4× the capacity\u003c\/strong\u003e (64MB vs 16MB) in the same SOIC-8 package with the same pinout. It is a drop-in upgrade for designs using W25Q256 or smaller W25Q series chips, provided the host MCU’s flash driver supports 4-byte addressing (required for capacities above 16MB).\u003c\/p\u003e\n\n\u003ch3\u003eQ: Does this work with the Arduino SPIFlash \/ SerialFlash library?\u003c\/h3\u003e\n\u003cp\u003eYes. The W25Q512JV is compatible with the \u003cstrong\u003eAdafruit SPIFlash\u003c\/strong\u003e and \u003cstrong\u003eSerialFlash\u003c\/strong\u003e libraries for Arduino. Ensure your library version supports 4-byte addressing for full 64MB access. The chip’s JEDEC ID (EF 40 20) is recognized by most SPI Flash libraries.\u003c\/p\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Winbond W25Q512JV SPI NOR Flash IC (SOIC-8 or WSON-8)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674482335979,"sku":"","price":38.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/64MB-Winbond-25Q512JV-FLASH-SMD-IC.jpg?v=1723007308"},{"product_id":"tl082cp-dual-jfet-op-amp-ic-dip8","title":"TL082CP Dual JFET Op-Amp IC DIP-8 – Low-Noise, Wide-Bandwidth","description":"\u003ch2\u003eTL082CP Dual JFET Op-Amp IC – DIP-8\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTL082CP\u003c\/strong\u003e is a dual JFET-input operational amplifier in a DIP-8 package – the lower-cost, slightly higher-noise sibling of the popular TL072. Both share the same JFET input architecture with very low input bias current (200pA typical), 3MHz gain-bandwidth product, and 13V\/μs slew rate. The TL082 is an excellent general-purpose dual op-amp for audio circuits, active filters, and signal processing where two op-amp channels are needed and the tighter specifications of the TL072 are not required.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TL082CP \/ TL082 \/ TL082ACP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-8 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Op-Amps:\u003c\/strong\u003e 2 (dual)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Type:\u003c\/strong\u003e JFET (low input bias current: ~200pA typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e ±2.25V to ±18V (dual supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 3 MHz (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 13 V\/μs (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Offset Voltage:\u003c\/strong\u003e 3mV (typical), 15mV (max) – higher than TL072\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Noise Voltage:\u003c\/strong\u003e 18nV\/√Hz (vs 18nV\/√Hz for TL072 – similar)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTL082 vs TL072 – Which to Choose?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTL072:\u003c\/strong\u003e Tighter offset spec (3mV typical, 6mV max), lower noise – preferred for precision audio\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTL082:\u003c\/strong\u003e Higher offset spec (3mV typical, 15mV max) – lower cost, suitable for general-purpose use\u003c\/li\u003e\n  \u003cli\u003eBoth have identical GBW (3MHz) and slew rate (13V\/μs) – same speed\u003c\/li\u003e\n  \u003cli\u003eUse TL072 for audio preamplifiers and precision circuits; TL082 for general signal processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio circuits:\u003c\/strong\u003e Preamplifiers, tone controls, and signal conditioning\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive filters:\u003c\/strong\u003e Low-pass, high-pass, and bandpass filter stages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSynthesizers:\u003c\/strong\u003e VCO, VCF, and envelope generator circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstrumentation:\u003c\/strong\u003e Dual-channel signal amplification and conditioning\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuitar effects:\u003c\/strong\u003e Overdrive, distortion, and modulation circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × TL082CP DIP-8 dual JFET op-amp IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTwo JFET op-amps in one DIP-8 package – the TL082CP delivers 3MHz bandwidth and 13V\/μs slew rate for audio and signal processing applications at a lower cost than the TL072.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674493575403,"sku":"","price":5.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/TL082IP-Dual-Op-Amp.jpg?v=1723007257"},{"product_id":"tl084cn-quad-jfet-op-amp-ic-dip14","title":"TL084CN Quad JFET Op-Amp IC DIP-14 – Wide-Bandwidth, Low-Noise","description":"\u003ch2\u003eTL084CN Quad JFET Op-Amp IC – DIP-14\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTL084CN\u003c\/strong\u003e is a quad JFET-input operational amplifier – four high-performance op-amps in a single DIP-14 package, sharing the same low-noise JFET input architecture as the popular TL072 dual op-amp. With a 3MHz gain-bandwidth product, 13V\/μs slew rate, and very low input bias current (65pA typical), the TL084 is an excellent choice for audio circuits, active filters, and precision signal processing where four op-amp channels are needed in one package.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TL084CN \/ TL084 \/ TL084ACN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Op-Amps:\u003c\/strong\u003e 4 (quad)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Type:\u003c\/strong\u003e JFET (very low input bias current: ~65pA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e ±2.25V to ±18V (dual supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 3 MHz (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 13 V\/μs (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Offset Voltage:\u003c\/strong\u003e 3mV (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Bias Current:\u003c\/strong\u003e 65pA (typical) – 26× lower than UA741\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTL084 vs TL074 – Are They the Same?\u003c\/h3\u003e\n\u003cp\u003eThe TL084 and TL074 are functionally nearly identical – same JFET input architecture, same GBW (3MHz), same slew rate (13V\/μs). The TL074 has slightly tighter specifications (lower offset voltage, lower noise) and is pin-compatible. In most audio and general-purpose applications, TL084 and TL074 are interchangeable.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio mixing:\u003c\/strong\u003e 4-channel summing amplifier stages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive crossovers:\u003c\/strong\u003e Multi-band filter design for speaker systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSynthesizers \/ Eurorack:\u003c\/strong\u003e VCF, VCA, envelope follower, and mixer stages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive filters:\u003c\/strong\u003e Sallen-Key and MFB filter banks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstrumentation:\u003c\/strong\u003e Multi-channel signal conditioning\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuitar effects:\u003c\/strong\u003e Multi-stage overdrive, EQ, and modulation circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × TL084CN DIP-14 quad JFET op-amp IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFour JFET op-amps in one DIP-14 package – the TL084CN delivers 3MHz bandwidth and 13V\/μs slew rate for audio mixing, active filters, and multi-channel signal processing.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674494656747,"sku":"","price":5.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/TL084CN-Quad-Op-Amp.jpg?v=1723007252"},{"product_id":"lm317-adjustable-linear-voltage-regulator-module-1-25v-37v-1-5a","title":"LM317 Adjustable Linear Voltage Regulator Module – 1.25V to 37V, 1.5A","description":"\u003ch2\u003eLM317 Adjustable Linear Voltage Regulator Module – 1.25V to 37V, 1.5A\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eLM317-based adjustable voltage regulator module\u003c\/strong\u003e provides a fully assembled, ready-to-use variable DC power supply built around the classic LM317T regulator IC. Turn the onboard potentiometer to set any output voltage from 1.25V to 37V at up to 1.5A – no soldering or external components required. Ideal for electronics prototyping, bench power supply applications, and learning voltage regulation principles.\u003c\/p\u003e\n\n\u003ch3\u003eModule Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRegulator IC:\u003c\/strong\u003e LM317T (TO-220)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 1.25V – 37V (adjustable via onboard potentiometer)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 1.5A (continuous, with heatsink)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e Must be at least 3V above desired output (max 40V DC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Setting:\u003c\/strong\u003e Onboard multi-turn potentiometer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Ripple:\u003c\/strong\u003e Low (linear regulation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Built-in thermal shutdown, overcurrent, and SOA protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConnect DC input (Vin) to a power supply at least 3V above your target output voltage\u003c\/li\u003e\n  \u003cli\u003eConnect a multimeter to the output terminals\u003c\/li\u003e\n  \u003cli\u003eAdjust the onboard potentiometer until the desired output voltage is displayed\u003c\/li\u003e\n  \u003cli\u003eConnect your load to the output terminals\u003c\/li\u003e\n  \u003cli\u003eAdd a heatsink to the LM317T for loads above 500mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable bench power supply:\u003c\/strong\u003e Variable voltage source for electronics prototyping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery charger:\u003c\/strong\u003e Adjustable constant-voltage charging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED driver:\u003c\/strong\u003e Adjustable current limiting for LED strings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor speed control:\u003c\/strong\u003e Variable voltage for DC motor speed adjustment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics education:\u003c\/strong\u003e Hands-on demonstration of linear voltage regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM317 adjustable linear voltage regulator module (assembled)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePlug in, adjust, and power – the LM317 module delivers any voltage from 1.25V to 37V at 1.5A with a simple potentiometer adjustment, no assembly required.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45680653304043,"sku":"","price":8.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LM317-Module-1.jpg?v=1723006293"},{"product_id":"cjmcu-2516-spi-flash-memory-module-w25q16bvsig-16mbit-2mb-serial-storage","title":"CJMCU-2516 SPI Flash Memory Module – W25Q16BVSIG 16Mbit (2MB) Serial Storage","description":"\u003ch2\u003eCJMCU-2516 SPI Flash Memory Module – W25Q16BVSIG 16Mbit (2MB) Serial Storage\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCJMCU-2516\u003c\/strong\u003e is a compact breakout module for the \u003cstrong\u003eW25Q16BVSIG\u003c\/strong\u003e – a 16Mbit (2MB) Winbond SPI NOR flash memory IC. The module breaks out the SPI interface to standard 2.54mm (0.1\") headers, making it easy to connect to Arduino, ESP32, STM32, and any SPI-capable microcontroller without SMD soldering. It's ideal for adding 2MB of non-volatile storage to embedded projects for firmware, data logging, audio samples, and configuration files.\u003c\/p\u003e\n\n\u003ch3\u003eModule Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlash IC:\u003c\/strong\u003e W25Q16BVSIG (Winbond)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 16Mbit = 2MB = 2,097,152 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SPI (Standard and Dual SPI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClock Frequency:\u003c\/strong\u003e Up to 80MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 3.6V (3.3V operation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeader Pitch:\u003c\/strong\u003e 2.54mm (0.1\") – breadboard compatible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePage Size:\u003c\/strong\u003e 256 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSector Size:\u003c\/strong\u003e 4KB (individually erasable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEndurance:\u003c\/strong\u003e 100,000 erase\/write cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Retention:\u003c\/strong\u003e 20 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePin Connections\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVCC:\u003c\/strong\u003e 3.3V supply (do NOT connect to 5V directly)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGND:\u003c\/strong\u003e Ground\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCS:\u003c\/strong\u003e Chip Select (active LOW) – connect to any GPIO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMOSI:\u003c\/strong\u003e SPI data in (DI) – connect to MCU MOSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMISO:\u003c\/strong\u003e SPI data out (DO) – connect to MCU MISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSCK:\u003c\/strong\u003e SPI clock – connect to MCU SCK\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWP:\u003c\/strong\u003e Write Protect (pull HIGH to disable write protection)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHOLD:\u003c\/strong\u003e Hold (pull HIGH for normal operation)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Usage Note\u003c\/h3\u003e\n\u003cp\u003eArduino operates at 5V – use a 3.3V regulator or level shifter for VCC and signal lines when connecting to a 5V Arduino. ESP32, ESP8266, and STM32 (3.3V) connect directly without level shifting.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino \/ ESP32 external flash:\u003c\/strong\u003e Add 2MB of SPI storage for data logging and configuration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio sample storage:\u003c\/strong\u003e Store WAV files for Arduino audio playback projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFirmware storage:\u003c\/strong\u003e External flash for OTA firmware update staging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData logging:\u003c\/strong\u003e Non-volatile sensor data storage for IoT devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilesystem:\u003c\/strong\u003e SPIFFS or LittleFS filesystem for web server files on ESP8266\/ESP32\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × CJMCU-2516 SPI flash memory module (W25Q16BVSIG, 2MB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e2MB of Winbond SPI NOR flash on a breadboard-friendly breakout – the CJMCU-2516 is the easiest way to add external SPI storage to Arduino, ESP32, and STM32 projects.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"1 PCS \/ CHINA","offer_id":46978925887723,"sku":"14:1202#1 PCS;200007763:201336100","price":8.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cjmc-2516-spi-flash-memory.webp?v=1761028087"},{"product_id":"l7805-lm7805-lm7812-5v-12v-three-terminal-voltage-regulator-module","title":"L7805 \/ LM7805 \u0026 LM7812 5V \/ 12V Three-Terminal Voltage Regulator Module","description":"\u003ch2\u003eL7805 \/ LM7805 \u0026amp; LM7812 5V \/ 12V Three-Terminal Voltage Regulator Module\u003c\/h2\u003e\n\n\u003cp\u003eThis module features the classic \u003cstrong\u003eL7805 (LM7805)\u003c\/strong\u003e and \u003cstrong\u003eLM7812\u003c\/strong\u003e three-terminal positive voltage regulators – the most widely used fixed linear regulators in electronics. The L7805 delivers a stable +5V at up to 1.5A, while the LM7812 delivers +12V at up to 1.5A. Both are members of the 78xx series – the industry standard for fixed positive voltage regulation since the 1970s. This module provides a ready-to-use regulated power supply for electronics prototyping, repair, and education.\u003c\/p\u003e\n\n\u003ch3\u003eL7805 \/ LM7805 – +5V Regulator Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e +5.0V DC (fixed)\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 Range:\u003c\/strong\u003e 7V – 35V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDropout Voltage:\u003c\/strong\u003e ~2V at 1A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Accuracy:\u003c\/strong\u003e ±2% (typical)\u003c\/li\u003e\n  \u003cli\u003eBuilt-in thermal shutdown, overcurrent, and SOA protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLM7812 – +12V Regulator Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e +12.0V DC (fixed)\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 Range:\u003c\/strong\u003e 14.5V – 35V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDropout Voltage:\u003c\/strong\u003e ~2V at 1A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Accuracy:\u003c\/strong\u003e ±2% (typical)\u003c\/li\u003e\n  \u003cli\u003eBuilt-in thermal shutdown, overcurrent, and SOA protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e78xx Series – Pin Configuration (TO-220)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePin 1 (left): Input (Vin)\u003c\/li\u003e\n  \u003cli\u003ePin 2 (center): Ground (GND)\u003c\/li\u003e\n  \u003cli\u003ePin 3 (right): Output (Vout)\u003c\/li\u003e\n  \u003cli\u003eMetal Tab: Ground (same as Pin 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Circuit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInput bypass: 0.33μF ceramic from Vin to GND\u003c\/li\u003e\n  \u003cli\u003eOutput bypass: 0.1μF ceramic from Vout to GND\u003c\/li\u003e\n  \u003cli\u003eHeatsink required for loads above 500mA\u003c\/li\u003e\n  \u003cli\u003eEnsure Vin is at least 2V above Vout for proper regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V logic supply:\u003c\/strong\u003e Power Arduino, microcontrollers, and 5V logic circuits from 9V–12V adapter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V supply:\u003c\/strong\u003e Power relays, motors, and 12V peripherals from higher-voltage input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBench power supply:\u003c\/strong\u003e Fixed 5V or 12V regulated output for electronics prototyping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics education:\u003c\/strong\u003e Demonstrate linear voltage regulation principles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB power supply:\u003c\/strong\u003e On-board regulated supply for mixed-voltage PCB designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eL7805 \/ LM7805 (+5V) or LM7812 (+12V) three-terminal voltage regulator module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe 78xx series – the most trusted fixed linear voltage regulators in electronics, delivering stable 5V and 12V supplies with built-in protection for virtually any application.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"7812","offer_id":46985495904491,"sku":"14:10#7812","price":9.68,"currency_code":"USD","in_stock":true},{"title":"7805","offer_id":46985495937259,"sku":"14:350852#7805","price":9.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/l7805-lm7805-lm7812-5v-12v-voltage-regulator-module.webp?v=1761287406"},{"product_id":"lm317t-adjustable-positive-voltage-regulator-ic-to220-1-25v-37v-1-5a-5pcs","title":"LM317T Adjustable Positive Voltage Regulator IC TO-220 – Pack of 5 (1.25V–37V, 1.5A)","description":"\u003ch2\u003eLM317T Adjustable Positive Voltage Regulator IC – TO-220, Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM317T\u003c\/strong\u003e is the world's most popular adjustable positive voltage regulator – a three-terminal IC that delivers any output voltage from 1.25V to 37V at up to 1.5A, set by just two external resistors. With built-in thermal shutdown, overcurrent protection, and safe operating area protection, it's virtually indestructible in normal use. The LM317T has been in continuous production since 1970 and remains the standard choice for adjustable linear power supply design. This 5-piece TO-220 pack is a workshop essential.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM317T \/ LM317 \/ LM317HVT (high voltage)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-220 (3-pin, through-hole)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage Range:\u003c\/strong\u003e 1.25V – 37V (adjustable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 1.5A (continuous, with heatsink)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage Range:\u003c\/strong\u003e 3V – 40V DC (must be ≥3V above Vout)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDropout Voltage:\u003c\/strong\u003e ~3V (Vin − Vout minimum)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReference Voltage (Vref):\u003c\/strong\u003e 1.25V (between Output and Adjust pins)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Accuracy:\u003c\/strong\u003e ±1.5% (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLine Regulation:\u003c\/strong\u003e 0.01%\/V (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Regulation:\u003c\/strong\u003e 0.1% (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +125°C\u003c\/li\u003e\n  \u003cli\u003eBuilt-in thermal shutdown, overcurrent, and SOA protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOutput Voltage Formula\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVout = 1.25V × (1 + R2\/R1) + Iadj × R2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith R1 = 240Ω (fixed) and R2 = variable resistor or potentiometer:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eR2 = 0Ω → Vout = 1.25V (minimum)\u003c\/li\u003e\n  \u003cli\u003eR2 = 720Ω → Vout = 5V\u003c\/li\u003e\n  \u003cli\u003eR2 = 2.16kΩ → Vout = 12V\u003c\/li\u003e\n  \u003cli\u003eR2 = 6.96kΩ → Vout = 37V (maximum)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePin Configuration (TO-220)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePin 1 (left): Adjust (ADJ) – connect to resistor divider midpoint\u003c\/li\u003e\n  \u003cli\u003ePin 2 (center): Output (Vout) – regulated adjustable output\u003c\/li\u003e\n  \u003cli\u003ePin 3 (right): Input (Vin) – unregulated DC input\u003c\/li\u003e\n  \u003cli\u003eMetal Tab: Output (same as Pin 2 – use insulating kit if mounting to grounded heatsink)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable bench power supply:\u003c\/strong\u003e Variable voltage source for electronics prototyping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery charger:\u003c\/strong\u003e Constant-voltage charging for NiMH, lead-acid, and Li-ion batteries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED driver:\u003c\/strong\u003e Constant-current LED driving with sense resistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor speed control:\u003c\/strong\u003e Variable voltage for DC motor speed adjustment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics education:\u003c\/strong\u003e Teaching voltage regulation and resistor divider theory\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePost-regulator:\u003c\/strong\u003e Clean up switching regulator output ripple\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × LM317T TO-220 adjustable positive voltage regulator ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe world's most popular adjustable voltage regulator – the LM317T delivers any voltage from 1.25V to 37V at 1.5A with just two resistors and built-in protection for virtually indestructible linear regulation.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985503310059,"sku":"\u003cnone\u003e","price":14.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/lm317t-to-220-adjustable-voltage-regulator.webp?v=1761280109"},{"product_id":"njm4560m-njm4562-njm4565-njm4580-njm4585-dual-audio-op-amp-ic-sop8-3pcs","title":"NJM4560M \/ NJM4562 \/ NJM4565 \/ NJM4580 \/ NJM4585 Dual Audio Op-Amp IC SOP-8 – Pack of 3","description":"\u003ch2\u003eNJM4560M \/ NJM4562 \/ NJM4565 \/ NJM4580 \/ NJM4585 Dual Audio Op-Amp IC – SOP-8, Pack of 3\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eNJM4560 \/ NJM4580 series\u003c\/strong\u003e from JRC (Japan Radio Company \/ New Japan Radio) are high-performance dual audio operational amplifiers in SOP-8 surface-mount packages, widely used in professional and consumer audio equipment. These ICs are found in CD players, DACs, headphone amplifiers, mixing consoles, and audio preamplifiers – and are among the most commonly replaced op-amps in audio equipment repair. This 3-piece SOP-8 pack is ideal for audio circuit design and repair technicians.\u003c\/p\u003e\n\n\u003ch3\u003eIC Variant Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eNJM4560M – Dual High-Slew-Rate Op-Amp\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 10 MHz | \u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 4 V\/μs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e ±2V – ±18V\u003c\/li\u003e\n  \u003cli\u003eGeneral-purpose high-speed dual op-amp for audio and signal processing\u003c\/li\u003e\n  \u003cli\u003eUse: Audio preamplifiers, active filters, signal conditioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNJM4562 – High-Performance Dual Op-Amp\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 10 MHz | \u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 6 V\/μs | \u003cstrong\u003eNoise:\u003c\/strong\u003e 8nV\/√Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e ±2V – ±18V\u003c\/li\u003e\n  \u003cli\u003eLow-noise, high-speed – upgrade from NE5532 in many applications\u003c\/li\u003e\n  \u003cli\u003eUse: High-quality audio preamplifiers, phono stages, DAC output buffers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNJM4565 – Dual Op-Amp for Audio\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 10 MHz | \u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 5 V\/μs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e ±2V – ±18V\u003c\/li\u003e\n  \u003cli\u003eOptimized for audio frequency response and low distortion\u003c\/li\u003e\n  \u003cli\u003eUse: Audio mixing, equalizer circuits, headphone amplifiers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNJM4580 – Dual Op-Amp (Most Popular JRC Audio IC)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 15 MHz | \u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 5 V\/μs | \u003cstrong\u003eNoise:\u003c\/strong\u003e 8nV\/√Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e ±2V – ±18V\u003c\/li\u003e\n  \u003cli\u003eThe most widely used JRC audio op-amp – found in countless CD players, DACs, and audio equipment\u003c\/li\u003e\n  \u003cli\u003eUse: CD player output stage, DAC I\/V conversion, headphone amplifier, audio preamplifier\u003c\/li\u003e\n  \u003cli\u003ePopular upgrade\/replacement for NE5532 and RC4558 in audio equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNJM4585 – High-Output-Current Dual Op-Amp\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 15 MHz | \u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 10 V\/μs | \u003cstrong\u003eOutput Current:\u003c\/strong\u003e ±70mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e ±2V – ±18V\u003c\/li\u003e\n  \u003cli\u003eHigh output current for direct headphone driving without buffer stage\u003c\/li\u003e\n  \u003cli\u003eUse: Headphone amplifiers, line drivers, high-current audio output stages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCD \/ DVD player repair:\u003c\/strong\u003e Output stage and servo op-amp replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDAC output buffer:\u003c\/strong\u003e I\/V conversion and output buffering for R-2R and delta-sigma DACs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeadphone amplifiers:\u003c\/strong\u003e High-quality portable and desktop headphone amp circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio preamplifiers:\u003c\/strong\u003e Microphone, phono, and line-level preamplifier stages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMixing consoles:\u003c\/strong\u003e Channel strip amplifier and summing stages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive crossovers:\u003c\/strong\u003e High-quality filter stages for speaker systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3 × NJM4560M \/ NJM4562 \/ NJM4565 \/ NJM4580 \/ NJM4585 SOP-8 dual audio op-amp ICs (select variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eJRC's finest dual audio op-amps in SOP-8 – the NJM4580 and its siblings are the go-to ICs for CD player repair, DAC output buffering, and high-quality audio preamplifier design.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"NJM4560M","offer_id":46985505276139,"sku":"14:1202#NJM4560M","price":8.12,"currency_code":"USD","in_stock":true},{"title":"NJM5534MD","offer_id":46985505308907,"sku":"14:94#NJM5534MD","price":23.92,"currency_code":"USD","in_stock":true},{"title":"NJM4585M","offer_id":46985505341675,"sku":"14:201659813#NJM4585M","price":16.68,"currency_code":"USD","in_stock":true},{"title":"NJM7660M","offer_id":46985505374443,"sku":"14:175#NJM7660M","price":8.2,"currency_code":"USD","in_stock":true},{"title":"NJM5532MD","offer_id":46985505407211,"sku":"14:29#NJM5532MD","price":32.24,"currency_code":"USD","in_stock":true},{"title":"NJM5532M","offer_id":46985505439979,"sku":"14:10#NJM5532M","price":9.76,"currency_code":"USD","in_stock":true},{"title":"NJM4565M","offer_id":46985505472747,"sku":"14:351074#NJM4565M","price":7.96,"currency_code":"USD","in_stock":true},{"title":"NJM4562M","offer_id":46985505505515,"sku":"14:350852#NJM4562M","price":14.36,"currency_code":"USD","in_stock":true},{"title":"NJM7002M","offer_id":46985505538283,"sku":"14:173#NJM7002M","price":9.76,"currency_code":"USD","in_stock":true},{"title":"NJM4580M(D)","offer_id":46985505571051,"sku":"14:4044226#NJM4580M(D)","price":7.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/njm4560m-4562-4565-4580-4585-smd-sop8-op-amp-ics.webp?v=1761279554"},{"product_id":"mx25l3206em2i-12g-32mbit-spi-nor-flash-memory-ic-sop8-5pcs","title":"MX25L3206EM2I-12G 32Mbit SPI NOR Flash Memory IC SOP-8 – Pack of 5 (MX25L3206E)","description":"\u003ch2\u003eMX25L3206EM2I-12G 32Mbit SPI NOR Flash Memory IC – SOP-8, Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMX25L3206EM2I-12G (MX25L3206E)\u003c\/strong\u003e from Macronix is a 32Mbit (4MB) SPI NOR flash memory IC in a standard SOP-8 package – a widely used alternative to the Winbond W25Q32 in BIOS chips, router firmware, and embedded systems. With 86MHz SPI clock support, Dual SPI capability, and the same standard SOP-8 pinout as the W25Q32 and GD25Q32, it's pin-compatible and command-compatible with the most popular 32Mbit flash ICs on the market. This 5-piece pack is ideal for BIOS replacement, firmware recovery, and embedded storage design.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MX25L3206EM2I-12G \/ MX25L3206E \/ MX25L3206\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOP-8 (SMD, 1.27mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 32Mbit = 4MB = 4,194,304 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Standard SPI \/ Dual SPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClock Frequency:\u003c\/strong\u003e Up to 86MHz (standard SPI) \/ 172MHz (Dual SPI effective)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 3.6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRead Current:\u003c\/strong\u003e ~15mA (typical at 86MHz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby Current:\u003c\/strong\u003e \u0026lt;10μA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePage Size:\u003c\/strong\u003e 256 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSector Size:\u003c\/strong\u003e 4KB (individually erasable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlock Sizes:\u003c\/strong\u003e 32KB and 64KB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEndurance:\u003c\/strong\u003e 100,000 erase\/write cycles (minimum)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Retention:\u003c\/strong\u003e 20 years (minimum)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +85°C (industrial)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMX25L3206E vs W25Q32JV – Comparison\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMX25L3206E:\u003c\/strong\u003e 86MHz max, Dual SPI only (no Quad SPI), Macronix – widely used in older BIOS and routers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eW25Q32JV:\u003c\/strong\u003e 133MHz max, Quad SPI (QSPI) support, Winbond – current generation with higher throughput\u003c\/li\u003e\n  \u003cli\u003eBoth are pin-compatible (same SOP-8 pinout) and command-compatible for standard SPI operations\u003c\/li\u003e\n  \u003cli\u003eChoose MX25L3206E as a direct replacement for existing MX25L3206 in BIOS and router repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBIOS \/ UEFI replacement:\u003c\/strong\u003e Motherboard and laptop BIOS chip replacement (common in older systems)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRouter firmware:\u003c\/strong\u003e Firmware storage in routers using MX25L3206 (very common)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmbedded systems:\u003c\/strong\u003e Firmware and data storage for microcontrollers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIoT devices:\u003c\/strong\u003e Configuration and firmware storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData logging:\u003c\/strong\u003e Non-volatile storage for sensor data\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible \/ Interchangeable Parts\u003c\/h3\u003e\n\u003cp\u003ePin-compatible and SPI-compatible with: W25Q32JV (Winbond), GD25Q32 (GigaDevice), S25FL032P (Spansion), EN25Q32B (EON). All share the same SOP-8 pinout and standard SPI command set for read, write, and erase operations.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × MX25L3206EM2I-12G SOP-8 32Mbit SPI NOR flash memory ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e4MB of Macronix SPI NOR flash in a standard SOP-8 package – the MX25L3206E is the go-to replacement for BIOS and router firmware chips using the MX25L3206 series.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985505833195,"sku":"\u003cnone\u003e","price":17.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/mx25l3206em2i-12g-32mbit-sop8-flash-ic.webp?v=1761279399"},{"product_id":"top262-264-265-266-267-268-269-270-271-esip-7c-power-management-ics","title":"TOP262\/264\/265\/266\/267\/268\/269\/270\/271 ESIP-7C Power Management 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\"\u003eSIP-7C\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\"\u003eVoltage Regulator\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":"TOP269","offer_id":46985505898731,"sku":"14:29#TOP269","price":10.36,"currency_code":"USD","in_stock":true},{"title":"TOP271","offer_id":46985505931499,"sku":"14:173#TOP271","price":27.8,"currency_code":"USD","in_stock":true},{"title":"TOP264","offer_id":46985505964267,"sku":"14:350852#TOP264","price":8.96,"currency_code":"USD","in_stock":true},{"title":"TOP262","offer_id":46985505997035,"sku":"14:1202#TOP262","price":26.68,"currency_code":"USD","in_stock":true},{"title":"TOP266","offer_id":46985506029803,"sku":"14:4044226#TOP266","price":26.68,"currency_code":"USD","in_stock":true},{"title":"TOP265","offer_id":46985506062571,"sku":"14:351074#TOP265","price":9.04,"currency_code":"USD","in_stock":true},{"title":"TOP268","offer_id":46985506095339,"sku":"14:10#TOP268","price":8.6,"currency_code":"USD","in_stock":true},{"title":"TOP267","offer_id":46985506128107,"sku":"14:201659813#TOP267","price":9.12,"currency_code":"USD","in_stock":true},{"title":"TOP270","offer_id":46985506160875,"sku":"14:94#TOP270","price":9.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/top262-to-top271-esip-7c-power-ics.webp?v=1761279363"},{"product_id":"5pcs-sn74hc595n-dip-16-logic-shift-register-ic-74hc595","title":"5PCS SN74HC595N DIP-16 Logic Shift Register IC 74HC595","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\/S16e1ab3a94384c8297cb9e26b937c48fZ.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew2_isl2ks65.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7f58100ed0ad4b0eb18ef88351bf36f35.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew3_isl2ks65.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9ac2b740428143aeac74cedbaf46482bt.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew4_c839cwvn.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\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew5_c839cwvn.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\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew6_c839cwvn.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\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew7_c839cwvn.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985519890667,"sku":"\u003cnone\u003e","price":12.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc595n-dip16-logic-shift-register.webp?v=1761277872"},{"product_id":"10pcs-cd4001be-cd4011be-cd4012be-cd4013be-cd4016be-cd4024be-cd4025be-cd4030be-cd4047be-cd4066be-dip-14-logic-ics","title":"10PCS CD4001BE \/ CD4011BE \/ CD4012BE \/ CD4013BE \/ CD4016BE \/ CD4024BE \/ CD4025BE \/ CD4030BE \/ CD4047BE \/ CD4066BE DIP-14 Logic ICs","description":"\u003ch2\u003eCD4000 Series CMOS Logic ICs — DIP-14, 10 Pieces\u003c\/h2\u003e\n\n\u003cp\u003eThe CD4000B series are classic CMOS logic integrated circuits from Texas Instruments (and compatible manufacturers), operating from 3V to 18V with extremely low quiescent current consumption. Their wide supply voltage range, high noise immunity, and compatibility with both TTL and CMOS logic levels make them indispensable for digital logic design, timer circuits, oscillators, analog switches, and educational electronics projects.\u003c\/p\u003e\n\n\u003cp\u003eThis listing offers 10-piece packs of individual CD4000B series ICs in DIP-14 packages — breadboard and PCB compatible.\u003c\/p\u003e\n\n\u003ch3\u003eAvailable ICs — Function Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4001BE\u003c\/strong\u003e — Quad 2-input NOR gate. Universal logic gate; can implement any Boolean function. Used in oscillators, latches, and logic circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4011BE\u003c\/strong\u003e — Quad 2-input NAND gate. Universal gate; widely used in debounce circuits, oscillators, and logic design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4012BE\u003c\/strong\u003e — Dual 4-input NAND gate. For multi-input logic reduction and address decoding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4013BE\u003c\/strong\u003e — Dual D-type flip-flop with set\/reset. For frequency division, data storage, shift registers, and toggle circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4016BE\u003c\/strong\u003e — Quad bilateral analog switch. For audio signal routing, multiplexing, and sample-and-hold circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4024BE\u003c\/strong\u003e — 7-stage ripple-carry binary counter. For frequency division (divide by 2 to 128) and timer applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4025BE\u003c\/strong\u003e — Triple 3-input NOR gate. For logic reduction and combinational circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4030BE\u003c\/strong\u003e — Quad 2-input XOR gate. For parity generation, comparators, and arithmetic circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4047BE\u003c\/strong\u003e — Monostable\/astable multivibrator. For pulse generation, one-shot timers, and square wave oscillators. Widely used in inverter circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD4066BE\u003c\/strong\u003e — Quad bilateral analog switch (improved CD4016). Lower on-resistance, better for audio and signal switching applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGeneral Electrical Specifications (CD4000B Series)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage (VDD):\u003c\/strong\u003e 3V – 18V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 0V to VDD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiescent Current:\u003c\/strong\u003e \u0026lt;1µA typical at 5V (extremely low power)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±0.5mA at 5V; ±2.25mA at 10V; ±8.8mA at 15V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Immunity:\u003c\/strong\u003e 45% of VDD (high noise margin)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~60ns at 10V (varies by device)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −55°C to +125°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (0.3\" row spacing, 2.54mm pin pitch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCMOS vs. TTL: Why CD4000 Series?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage range (3–18V):\u003c\/strong\u003e Works with 3.3V, 5V, 9V, and 12V systems without level shifters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low power:\u003c\/strong\u003e Ideal for battery-powered and sleep-mode applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh noise immunity:\u003c\/strong\u003e More robust in electrically noisy environments than TTL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog switch capability:\u003c\/strong\u003e CD4016\/CD4066 pass analog signals bidirectionally — impossible with TTL\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDigital logic circuit design and prototyping\u003c\/li\u003e\n\u003cli\u003eFrequency dividers and binary counters (CD4024)\u003c\/li\u003e\n\u003cli\u003eAstable and monostable oscillators (CD4047, CD4001, CD4011)\u003c\/li\u003e\n\u003cli\u003eAnalog signal multiplexing and routing (CD4016, CD4066)\u003c\/li\u003e\n\u003cli\u003eD flip-flop latches and shift registers (CD4013)\u003c\/li\u003e\n\u003cli\u003eXOR-based parity checkers and comparators (CD4030)\u003c\/li\u003e\n\u003cli\u003eEducational electronics and university lab experiments\u003c\/li\u003e\n\u003cli\u003eInverter and UPS driver circuits (CD4047)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × CD4000B series CMOS IC in DIP-14 package (model as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"CD4013BE","offer_id":46985521070315,"sku":"14:175#CD4013BE","price":14.44,"currency_code":"USD","in_stock":true},{"title":"CD4012BE","offer_id":46985521103083,"sku":"14:173#CD4012BE","price":21.0,"currency_code":"USD","in_stock":true},{"title":"CD4024BE","offer_id":46985521135851,"sku":"14:496#CD4024BE","price":19.44,"currency_code":"USD","in_stock":true},{"title":"CD4016BE","offer_id":46985521168619,"sku":"14:193#CD4016BE","price":21.68,"currency_code":"USD","in_stock":true},{"title":"CD4011BE","offer_id":46985521201387,"sku":"14:94#CD4011BE","price":14.12,"currency_code":"USD","in_stock":true},{"title":"CD4001BE","offer_id":46985521234155,"sku":"14:29#CD4001BE","price":14.76,"currency_code":"USD","in_stock":true},{"title":"CD4030BE","offer_id":46985521266923,"sku":"14:771#CD4030BE","price":54.8,"currency_code":"USD","in_stock":true},{"title":"CD4025BE","offer_id":46985521299691,"sku":"14:1052#CD4025BE","price":19.12,"currency_code":"USD","in_stock":true},{"title":"CD4066BE","offer_id":46985521332459,"sku":"14:365458#CD4066BE","price":14.88,"currency_code":"USD","in_stock":true},{"title":"CD4047BE","offer_id":46985521365227,"sku":"14:1254#CD4047BE","price":18.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cd4001be-cd4011be-dip14-logic-ics.webp?v=1761277610"},{"product_id":"5pcs-lm324-lm324n-quad-operational-amplifier-ic-in-line-14-pin-dip14","title":"5PCS LM324 \/ LM324N Quad Operational Amplifier IC In-line 14-Pin DIP14","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\"\u003eDIP\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\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":"Default Title","offer_id":46985524412651,"sku":"\u003cnone\u003e","price":6.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/lm324-quad-operational-amplifier-dip14.webp?v=1761275266"},{"product_id":"1-8v-spi-flash-adapter-sop8-to-dip8-mx25-w25-macbook-programming","title":"1.8V SPI Flash Adapter Board SOP8 to DIP8 | MX25 W25 Conversion Module | MacBook Motherboard Programming","description":"\u003ch2\u003e1.8V SPI Flash Adapter Board — SOP8 to DIP8 | MX25 \/ W25 Conversion Module\u003c\/h2\u003e\n\n\u003cp\u003eA precision adapter board that enables programming of \u003cstrong\u003e1.8V SPI flash memory chips\u003c\/strong\u003e (MX25U \/ Macronix and W25Q \/ Winbond series) using standard 3.3V SPI flash programmers. Without this adapter, 1.8V flash chips cannot be directly programmed with 3.3V programmers — the voltage mismatch risks damaging the chip or producing unreliable programming results. This board handles the voltage level conversion, allowing you to read, write, and erase 1.8V BIOS and firmware flash chips found in Apple MacBook motherboards, ultrabooks, and other devices using 1.8V flash storage.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.8V SPI flash chip programming adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSOP8 (8-pin small outline, 1.8V flash chip)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP8 (8-pin dual inline, 3.3V programmer compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Flash Families\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMX25U series (Macronix), W25Q series (Winbond) — 1.8V variants\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgrammer Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCH341A, RT809H, and other 3.3V SPI flash programmers\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Use Case\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApple MacBook BIOS\/EFI flash programming\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\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\u003eWhy 1.8V Flash Chips Need a Special Adapter\u003c\/h3\u003e\n\u003cp\u003eModern thin-and-light laptops — especially Apple MacBooks — use 1.8V SPI flash chips for BIOS\/EFI storage to reduce power consumption. Standard SPI flash programmers (CH341A, RT809H, etc.) operate at 3.3V. Connecting a 1.8V flash chip directly to a 3.3V programmer causes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvervoltage damage\u003c\/strong\u003e — 3.3V signals exceed the 1.8V chip’s maximum input voltage, potentially destroying the chip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgramming failures\u003c\/strong\u003e — even if the chip survives, incorrect voltage levels cause read\/write errors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnreliable verification\u003c\/strong\u003e — data verification fails due to voltage level mismatches on the data lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis adapter board includes the necessary voltage level conversion circuitry to safely interface 1.8V flash chips with 3.3V programmers.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e1.8V to 3.3V level conversion\u003c\/strong\u003e — safely interfaces 1.8V flash chips with standard 3.3V SPI programmers\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSOP8 to DIP8 conversion\u003c\/strong\u003e — converts SMD SOP8 flash chip footprint to DIP8 for programmer socket compatibility\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMX25U and W25Q compatible\u003c\/strong\u003e — covers the most common 1.8V flash families used in MacBook and ultrabook motherboards\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCH341A and RT809H compatible\u003c\/strong\u003e — works with the most popular low-cost SPI flash programmers\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMacBook BIOS\/EFI programming\u003c\/strong\u003e — essential tool for Apple MacBook motherboard repair and BIOS recovery\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompact PCB design\u003c\/strong\u003e — fits directly into standard DIP8 programmer sockets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApple MacBook BIOS\/EFI flash chip reading and writing\u003c\/li\u003e\n  \u003cli\u003eMacBook password removal and EFI unlock\u003c\/li\u003e\n  \u003cli\u003eUltrabook and thin laptop BIOS recovery\u003c\/li\u003e\n  \u003cli\u003e1.8V SPI flash chip firmware backup and restore\u003c\/li\u003e\n  \u003cli\u003eMX25U series flash chip programming (Macronix)\u003c\/li\u003e\n  \u003cli\u003eW25Q 1.8V series flash chip programming (Winbond)\u003c\/li\u003e\n  \u003cli\u003eElectronics repair and data recovery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eRemove the 1.8V SPI flash chip from the motherboard (or use a clip-on programming cable for in-circuit programming).\u003c\/li\u003e\n  \u003cli\u003ePlace the flash chip in the SOP8 socket on the adapter board.\u003c\/li\u003e\n  \u003cli\u003eInsert the adapter board into the DIP8 socket of your SPI flash programmer (CH341A, RT809H, etc.).\u003c\/li\u003e\n  \u003cli\u003eUse your programmer software to read, write, or erase the flash chip at 1.8V logic levels.\u003c\/li\u003e\n  \u003cli\u003eVerify the written data before reinstalling the chip.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this work with the CH341A programmer?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The CH341A is one of the most common SPI flash programmers and is compatible with this adapter. Ensure you use CH341A software that supports 1.8V flash chips (some versions require a firmware update for 1.8V support).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for in-circuit programming without removing the chip?\u003c\/strong\u003e\u003cbr\u003eA: This adapter is designed for socket-based programming. For in-circuit programming, use a SOIC8 clip cable connected to your programmer, with the adapter providing the voltage level conversion.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 1.8V SPI Flash Adapter Board (SOP8 to DIP8, MX25\/W25 compatible)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985525625067,"sku":"\u003cnone\u003e","price":12.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/1-8v-spi-flash-sop8-to-dip8-adapter-mx25-w25.webp?v=1761274873"},{"product_id":"10pcs-tl-series-low-power-operational-amplifier-ics-dip-8-tl061-tl062-tl071-tl072-tl081-tl082","title":"10PCS TL Series Low-Power Operational Amplifier ICs DIP-8 (TL061\/TL062\/TL071\/TL072\/TL081\/TL082)","description":"\u003ch2\u003eTL Series Low-Power JFET Op-Amp ICs — DIP-8, 10-Pack (TL061 \/ TL062 \/ TL071 \/ TL072 \/ TL081 \/ TL082)\u003c\/h2\u003e\n\n\u003cp\u003eA 10-piece pack of Texas Instruments TL-series JFET-input operational amplifier ICs in DIP-8 package. The TL series (TL061, TL062, TL071, TL072, TL081, TL082) are industry-standard low-power, low-noise op-amps with JFET input stages, offering high input impedance, low input bias current, and wide supply voltage range (3V–18V single supply or ±1.5V–18V dual supply). Widely used in audio preamplifiers, active filters, signal conditioning, and instrumentation circuits.\u003c\/p\u003e\n\n\u003ch3\u003eModel Comparison Table\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003cth\u003eGBW (typ)\u003c\/th\u003e\n\u003cth\u003eSlew Rate\u003c\/th\u003e\n\u003cth\u003eIq (typ)\u003c\/th\u003e\n\u003cth\u003eKey Feature\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL061\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1MHz\u003c\/td\u003e\n\u003ctd\u003e3.5V\/µs\u003c\/td\u003e\n\u003ctd\u003e200µA\u003c\/td\u003e\n\u003ctd\u003eUltra-low power single\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL062\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e1MHz\u003c\/td\u003e\n\u003ctd\u003e3.5V\/µs\u003c\/td\u003e\n\u003ctd\u003e200µA\/ch\u003c\/td\u003e\n\u003ctd\u003eUltra-low power dual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL071\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e3MHz\u003c\/td\u003e\n\u003ctd\u003e13V\/µs\u003c\/td\u003e\n\u003ctd\u003e1.4mA\u003c\/td\u003e\n\u003ctd\u003eLow-noise single, audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL072\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e3MHz\u003c\/td\u003e\n\u003ctd\u003e13V\/µs\u003c\/td\u003e\n\u003ctd\u003e1.4mA\/ch\u003c\/td\u003e\n\u003ctd\u003eLow-noise dual, audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL081\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e3MHz\u003c\/td\u003e\n\u003ctd\u003e13V\/µs\u003c\/td\u003e\n\u003ctd\u003e1.4mA\u003c\/td\u003e\n\u003ctd\u003eGeneral purpose single\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL082\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e3MHz\u003c\/td\u003e\n\u003ctd\u003e13V\/µs\u003c\/td\u003e\n\u003ctd\u003e1.4mA\/ch\u003c\/td\u003e\n\u003ctd\u003eGeneral purpose dual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Electrical 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\u003eInput Stage\u003c\/td\u003e\n\u003ctd\u003eJFET (J-FET input, high impedance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (dual)\u003c\/td\u003e\n\u003ctd\u003e±1.5V to ±18V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (single)\u003c\/td\u003e\n\u003ctd\u003e3V to 36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Bias Current\u003c\/td\u003e\n\u003ctd\u003e30pA (typical) — extremely low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Offset Voltage\u003c\/td\u003e\n\u003ctd\u003e3mV (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e10¹²Ω (JFET gate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Short-Circuit Protected\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-8 (through-hole, 2.54mm pitch)\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 (commercial) \/ −55°C to +125°C (military)\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\u003eAudio Preamplifiers:\u003c\/strong\u003e TL071\/TL072 are the industry standard for low-noise audio preamp stages in guitar pedals, mixing consoles, and microphone preamplifiers. The low noise (18nV\/√Hz) and high slew rate (13V\/µs) make them ideal for audio bandwidth applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Filters:\u003c\/strong\u003e Sallen-Key, multiple feedback (MFB), and state-variable filter topologies for audio crossovers, anti-aliasing filters, and signal conditioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstrumentation \u0026amp; Sensor Amplifiers:\u003c\/strong\u003e High-impedance JFET input is ideal for amplifying signals from piezoelectric sensors, pH electrodes, and photodiodes without loading the source\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Followers \u0026amp; Buffers:\u003c\/strong\u003e Unity-gain buffer stages for impedance matching between high-impedance sources and low-impedance loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparators (non-precision):\u003c\/strong\u003e Window comparator and threshold detection circuits (note: dedicated comparators like LM393 are preferred for high-speed comparator applications)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillators \u0026amp; Function Generators:\u003c\/strong\u003e Wien bridge oscillators, triangle\/square wave generators, and VCO circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed lowest power?\u003c\/strong\u003e → TL061 (single) or TL062 (dual) — 200µA quiescent current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed lowest noise for audio?\u003c\/strong\u003e → TL071 (single) or TL072 (dual) — 18nV\/√Hz input noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral purpose?\u003c\/strong\u003e → TL081 (single) or TL082 (dual) — same performance as TL071\/72 with slightly relaxed specs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual supply (±15V)?\u003c\/strong\u003e → All models support ±15V dual supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle supply (5V–12V)?\u003c\/strong\u003e → All models support single supply, but output swing is limited — not rail-to-rail\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between TL071 and TL081?\u003c\/strong\u003e\u003cbr\u003eA: The TL071 and TL081 have nearly identical electrical specifications. The TL071 has a slightly tighter input offset voltage specification (3mV vs 6mV typical) and is marketed as the \"low-noise\" variant. For most applications, they are interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the TL072 replace an NE5532 in an audio circuit?\u003c\/strong\u003e\u003cbr\u003eA: The TL072 and NE5532 are both popular audio op-amps, but the NE5532 has lower noise (5nV\/√Hz vs 18nV\/√Hz) and higher output drive capability. The TL072 is suitable for line-level audio; for microphone preamp stages, the NE5532 is preferred.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these ICs compatible with 5V single-supply Arduino circuits?\u003c\/strong\u003e\u003cbr\u003eA: Yes, but the TL series is not rail-to-rail. On a 5V single supply, the output typically swings from ~1.5V to ~3.5V. For rail-to-rail output on 5V, use an MCP6002 or LM358 instead.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × TL-series op-amp IC DIP-8 (model as selected: TL061 \/ TL062 \/ TL071 \/ TL072 \/ TL081 \/ TL082)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"TL082","offer_id":46985536307435,"sku":"14:10#TL082","price":10.8,"currency_code":"USD","in_stock":true},{"title":"TL061","offer_id":46985536340203,"sku":"14:1202#TL061","price":11.4,"currency_code":"USD","in_stock":true},{"title":"TL071","offer_id":46985536372971,"sku":"14:351074#TL071","price":10.68,"currency_code":"USD","in_stock":true},{"title":"TL062","offer_id":46985536405739,"sku":"14:350852#TL062","price":11.08,"currency_code":"USD","in_stock":true},{"title":"TL081","offer_id":46985536438507,"sku":"14:201659813#TL081","price":10.2,"currency_code":"USD","in_stock":true},{"title":"TL072","offer_id":46985536471275,"sku":"14:4044226#TL072","price":10.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tl-series-operational-amplifier-ics-dip8_2.webp?v=1761202105"},{"product_id":"5pcs-l7812cv-to-220-three-terminal-12v-1-5a-voltage-regulator","title":"5PCS L7812CV TO-220 Three-Terminal 12V 1.5A Voltage Regulator","description":"\u003ch2\u003eL7812CV TO-220 Three-Terminal 12V 1.5A Positive Linear Voltage Regulator — 5pcs\u003c\/h2\u003e\n\u003cp\u003eThe L7812CV is a classic three-terminal positive linear voltage regulator in TO-220 package, providing a fixed 12V regulated output at up to 1.5A continuous current. Part of the L78xx series of fixed positive voltage regulators, the L7812CV requires only two external bypass capacitors for stable operation and includes internal current limiting, thermal shutdown, and safe operating area protection. Supplied as a 5-piece pack. Suitable for 12V regulated power supply design, relay driver circuits, and any application requiring a stable 12V supply from a higher-voltage unregulated source.\u003c\/p\u003e\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\u003eIC Type\u003c\/td\u003e\n\u003ctd\u003eL7812CV (L78xx series positive regulator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-220 (through-hole, bolt-down heatsink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e1.5A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e14.5V – 35V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDropout Voltage\u003c\/td\u003e\n\u003ctd\u003e~2V (input must be ≥14.5V for 12V output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Accuracy\u003c\/td\u003e\n\u003ctd\u003e±4% (12V ±0.48V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiescent Current\u003c\/td\u003e\n\u003ctd\u003e~8mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eInternal current limiting, thermal shutdown, SOA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +125°C (junction)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e5pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eRoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTypical Circuit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput capacitor: 0.33µF ceramic (close to input pin)\u003c\/li\u003e\n\u003cli\u003eOutput capacitor: 0.1µF ceramic (close to output pin)\u003c\/li\u003e\n\u003cli\u003eHeatsink required for loads above 500mA (TO-220 bolt-down heatsink)\u003c\/li\u003e\n\u003cli\u003eInput voltage must be at least 14.5V for stable 12V output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V Regulated Supply:\u003c\/strong\u003e Provide stable 12V from an 18–24V unregulated transformer-rectifier supply for relay drivers, solenoid valves, and 12V electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Driver Supply:\u003c\/strong\u003e Regulated 12V supply for automotive relay modules, solid-state relays, and relay driver boards powered from a higher-voltage supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Amplifier Supply:\u003c\/strong\u003e Regulated 12V supply for op-amp circuits, preamplifiers, and audio processing boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Electronics:\u003c\/strong\u003e Regulated 12V supply from a 24V truck electrical system for 12V accessories and electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Control:\u003c\/strong\u003e Regulated 12V supply for PLC I\/O modules, sensors, and control electronics in industrial panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the L7812CV need a heatsink?\u003c\/strong\u003e\u003cbr\u003eA: At loads above 500mA, a heatsink is required. Power dissipation = (V_in − 12V) × I_load. For example, at 18V input and 1A load: P = (18−12) × 1 = 6W — a heatsink with thermal resistance ≤5°C\/W is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the L7812CV for 12V from a 13.8V car battery?\u003c\/strong\u003e\u003cbr\u003eA: No. The L7812CV requires at least 14.5V input for stable 12V output (2.5V dropout). A 13.8V car battery is insufficient. Use a switching regulator (LM2596, MP1584EN) for 12V from a 13.8V source.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e5 × L7812CV TO-220 12V 1.5A positive linear voltage regulator\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985537749227,"sku":"\u003cnone\u003e","price":8.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/l7812cv-to220-12v-voltage-regulator.webp?v=1761201659"},{"product_id":"5pcs-tl-series-low-power-operational-amplifier-ics-dip-8-tl061-tl062-tl071-tl072-tl081-tl082","title":"5PCS TL Series Low-Power Operational Amplifier ICs DIP-8 (TL061\/TL062\/TL071\/TL072\/TL081\/TL082)","description":"\u003ch2\u003eTL061 \/ TL062 \/ TL071 \/ TL072 \/ TL081 \/ TL082 — JFET-Input Op-Amp DIP-8 ICs, 5 Pieces\u003c\/h2\u003e\n\n\u003cp\u003eThe TL-series operational amplifiers from Texas Instruments are among the most widely used JFET-input op-amps in analog electronics, prized for their high input impedance, low input bias current, and excellent AC performance. The JFET input stage eliminates the input bias current problems of bipolar op-amps, making TL-series ICs ideal for high-impedance sensor interfaces, active filters, audio preamplifiers, and precision signal conditioning circuits.\u003c\/p\u003e\n\n\u003cp\u003eAll six variants share the same DIP-8 pinout and are pin-compatible within their sub-families (single\/dual). Select the specific variant from the dropdown. 5 pieces per pack.\u003c\/p\u003e\n\n\u003ch3\u003eIC Selection Guide\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL061 — Single Ultra-Low Power JFET Op-Amp:\u003c\/strong\u003e Supply current ~200µA (vs. ~1.4mA for TL071). GBW ~1MHz. Ideal for battery-powered circuits where quiescent current is critical. Single op-amp in DIP-8. Trade-off: lower slew rate (3.5V\/µs) and higher noise than TL071.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTL062 — Dual Ultra-Low Power JFET Op-Amp:\u003c\/strong\u003e Dual version of TL061 in DIP-8. Two independent op-amps sharing one package. Supply current ~400µA total. For battery-powered dual-channel applications (stereo audio, differential sensing).\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTL071 — Single Low-Noise JFET Op-Amp:\u003c\/strong\u003e The most popular single JFET op-amp. GBW = 3MHz, slew rate = 13V\/µs, input noise voltage = 18nV\/√Hz. Supply ±2.25V to ±18V. Excellent for audio preamplifiers, active filters, and instrumentation front-ends. Direct replacement for µA741 with superior performance.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTL072 — Dual Low-Noise JFET Op-Amp:\u003c\/strong\u003e Dual version of TL071 in DIP-8. The industry standard for dual-channel audio circuits — used in virtually every analog synthesizer, guitar effects pedal, and audio mixer ever designed. GBW = 3MHz, slew rate = 13V\/µs. Pin-compatible with NE5532 (bipolar) but with higher input impedance.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTL081 — Single General-Purpose JFET Op-Amp:\u003c\/strong\u003e Similar to TL071 but with slightly higher noise and lower cost. GBW = 3MHz, slew rate = 13V\/µs. Supply ±2.25V to ±18V. Suitable for general-purpose amplification, comparators, and non-critical audio applications.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTL082 — Dual General-Purpose JFET Op-Amp:\u003c\/strong\u003e Dual version of TL081. Two independent op-amps in DIP-8. Cost-effective choice for dual-channel circuits where the lower noise of TL072 is not required. Widely used in power supply error amplifiers, oscillators, and waveform generators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications Comparison\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL061\/062:\u003c\/strong\u003e VCC = ±2.25–18V, Icc ≈ 200µA\/amp, GBW ≈ 1MHz, SR = 3.5V\/µs, Vn = 42nV\/√Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL071\/081:\u003c\/strong\u003e VCC = ±2.25–18V, Icc ≈ 1.4mA, GBW = 3MHz, SR = 13V\/µs, Vn = 18nV\/√Hz (TL071)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL072\/082:\u003c\/strong\u003e Same as TL071\/081 but dual package; Icc ≈ 2.8mA total\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Bias Current:\u003c\/strong\u003e ~65pA (JFET input — 1000× lower than bipolar op-amps)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Offset Voltage:\u003c\/strong\u003e 3–15mV typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCMRR:\u003c\/strong\u003e 86dB typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Short-Circuit Protected:\u003c\/strong\u003e Yes (internal current limiting)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-8 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +70°C (C-grade) \/ −40°C to +85°C (I-grade)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStandard DIP-8 Pinout (Single Op-Amp: TL061\/071\/081)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 — OFFSET N1:\u003c\/strong\u003e Offset null (connect 10kΩ pot between pins 1 and 5, wiper to V−)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 — IN−:\u003c\/strong\u003e Inverting input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 — IN+:\u003c\/strong\u003e Non-inverting input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 4 — V−:\u003c\/strong\u003e Negative supply (or GND for single-supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 5 — OFFSET N2:\u003c\/strong\u003e Offset null\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 6 — OUT:\u003c\/strong\u003e Output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 7 — V+:\u003c\/strong\u003e Positive supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 8 — N\/C:\u003c\/strong\u003e No connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStandard DIP-8 Pinout (Dual Op-Amp: TL062\/072\/082)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 1 — OUT A:\u003c\/strong\u003e Output, amplifier A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 — IN− A:\u003c\/strong\u003e Inverting input, amplifier A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 — IN+ A:\u003c\/strong\u003e Non-inverting input, amplifier A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 4 — V−:\u003c\/strong\u003e Negative supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 5 — IN+ B:\u003c\/strong\u003e Non-inverting input, amplifier B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 6 — IN− B:\u003c\/strong\u003e Inverting input, amplifier B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 7 — OUT B:\u003c\/strong\u003e Output, amplifier B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 8 — V+:\u003c\/strong\u003e Positive supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSingle-Supply Operation\u003c\/h3\u003e\n\u003cp\u003eTL-series op-amps are designed for dual-supply (±V) operation but can work from a single supply with proper biasing. Connect V− (pin 4) to GND, V+ (pin 7\/8) to supply (5–36V). Bias the non-inverting input to mid-supply (V+\/2) using a resistor divider. AC-couple input and output signals. Minimum single-supply voltage: 4.5V (for ±2.25V equivalent).\u003c\/p\u003e\n\n\u003ch3\u003eDecoupling Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlace 100nF ceramic capacitor between V+ and GND, and 100nF between V− and GND, as close to the IC supply pins as possible\u003c\/li\u003e\n\u003cli\u003eAdd 10µF electrolytic in parallel for low-frequency decoupling in audio circuits\u003c\/li\u003e\n\u003cli\u003eKeep feedback resistors short and close to the IC to minimize parasitic capacitance and oscillation risk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL071\/072:\u003c\/strong\u003e Audio preamplifier, active crossover filter, guitar effects pedal (overdrive, EQ, chorus), analog synthesizer VCF\/VCA, instrumentation amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL061\/062:\u003c\/strong\u003e Battery-powered sensor interface, portable audio device, low-power data acquisition front-end\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL081\/082:\u003c\/strong\u003e General-purpose amplifier, comparator (with hysteresis), waveform generator, power supply error amplifier, oscillator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll variants:\u003c\/strong\u003e Active low-pass\/high-pass\/band-pass filters (Sallen-Key, MFB topology), integrators, differentiators, voltage followers (unity gain buffer), Schmitt triggers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 × selected TL-series DIP-8 op-amp IC (variant as chosen)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"TL071","offer_id":46985538076907,"sku":"14:496#TL071","price":6.8,"currency_code":"USD","in_stock":true},{"title":"TL072","offer_id":46985538109675,"sku":"14:1052#TL072","price":6.88,"currency_code":"USD","in_stock":true},{"title":"TL081","offer_id":46985538142443,"sku":"14:771#TL081","price":6.64,"currency_code":"USD","in_stock":true},{"title":"TL082","offer_id":46985538175211,"sku":"14:1254#TL082","price":6.6,"currency_code":"USD","in_stock":true},{"title":"TL061","offer_id":46985538207979,"sku":"14:193#TL061","price":6.8,"currency_code":"USD","in_stock":true},{"title":"TL062","offer_id":46985538240747,"sku":"14:366#TL062","price":6.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tl-series-operational-amplifier-ics-dip8.webp?v=1761201276"},{"product_id":"sg3525-lm358-pwm-inverter-driver-and-waveform-generator-board-12v-24v","title":"SG3525 LM358 PWM Inverter Driver and Waveform Generator Board 12V-24V","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\"\u003eModule\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\u003e\n Warm prompt: Dear buyer, Our cheapest transportation services Economic category logistics (SunYou Economic Air Mail ,China Post Ordinary Small Packet Plus ) can be traced only befor it arrive your country,please choose Standard category logistics if you want a full tracking info.\n\u003c\/div\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003e\n \u003cdiv\u003e\n  SG3525 LM358 Inverter Driver Board Mixer Preamp Drive Board 12V-24V\n \u003c\/div\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cimg width=\"600\" src=\"https:\/\/ae01.alicdn.com\/kf\/S48e6bc3432ce4a19a2c49807f345c40dX.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sa42ba2bfb485424ab65927e9bf130d5fU.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg width=\"600\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1b23ca825a384d81983681084b81a5a4h.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S0fb7a1eb8ef048108fd760d89f3cd172i.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg width=\"600\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3e9e7bc12a004a108ce83de18852db59I.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sdfcbec5d5a694a2e9a74e5b0e126ec99p.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:600px\" width=\"600px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S711f33a94b6b4340b41d2ade82689e08K.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfa70bc13b2ff4322a8c5ff17d6bd01c1d.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:600px\" width=\"600px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7c8ce06c2f8f4cb792d298bfee1bd55bV.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c8c9fd246af4865bfa4dccdb39663b4Q.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:600px\" width=\"600px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4729d32459f44700a93743447a269a515.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sca1b6b2225eb45d29277e9f2f7a7caa5Z.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"1","offer_id":46985540075755,"sku":"14:350852#1","price":9.08,"currency_code":"USD","in_stock":true},{"title":"2","offer_id":46985540108523,"sku":"14:10#2","price":8.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sg3525-lm358-pwm-inverter-driver-board.webp?v=1761200850"},{"product_id":"tmi-series-sot23-6-power-management-ic-5pcs-smd","title":"TMI Series SOT23-6 Power Management ICs 5PCS | TMI3222 TMI3252 TMI3253 TMI3274 TMI3280 TMI3281 and More","description":"\u003ch2\u003eTMI Series SOT23-6 Power Management ICs — 5PCS SMD\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTMI series\u003c\/strong\u003e from TMI (Techcode Microelectronics) covers a range of high-performance SOT23-6 SMD power management ICs including LED drivers, DC-DC converters, and switching regulators. These compact 6-pin SOT23 packages deliver sophisticated power management functionality in a minimal PCB footprint — ideal for portable electronics, LED lighting drivers, battery-powered devices, and space-constrained power supply designs. Available in 13 model variants to match your specific application requirements.\u003c\/p\u003e\n\n\u003ch3\u003eAvailable Models \u0026amp; Key Applications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eKey Application\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3222\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Driver \/ DC-DC\u003c\/td\u003e\n\u003ctd\u003eConstant current LED driver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3244T\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Management\u003c\/td\u003e\n\u003ctd\u003eBattery charging \/ power path\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3252\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-DC Converter\u003c\/td\u003e\n\u003ctd\u003eStep-down (buck) converter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3252S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-DC Converter\u003c\/td\u003e\n\u003ctd\u003eStep-down (buck) converter, S variant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3252T\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-DC Converter\u003c\/td\u003e\n\u003ctd\u003eStep-down (buck) converter, T variant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3253S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-DC Converter\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency buck converter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3253SH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-DC Converter\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency buck converter, H variant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3253T\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-DC Converter\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency buck converter, T variant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3274T\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Management\u003c\/td\u003e\n\u003ctd\u003eLDO \/ power management\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3280\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Management\u003c\/td\u003e\n\u003ctd\u003eHigh-side switch \/ load switch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3281\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Management\u003c\/td\u003e\n\u003ctd\u003eLoad switch \/ power distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3113B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Driver\u003c\/td\u003e\n\u003ctd\u003eBoost LED driver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTMI3113H2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Driver\u003c\/td\u003e\n\u003ctd\u003eBoost LED driver, H2 variant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSOT23-6 (6-pin small outline transistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD (surface mount)\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\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\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\u003eWhy SOT23-6?\u003c\/h3\u003e\n\u003cp\u003eThe SOT23-6 package is the industry standard for compact power management ICs. Its 6-pin configuration provides enough I\/O for sophisticated control functions (enable, feedback, compensation, soft-start) while maintaining a PCB footprint of just 2.9 × 1.6mm. This makes it the preferred package for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePortable and wearable electronics where board space is critical\u003c\/li\u003e\n  \u003cli\u003eLED driver circuits requiring constant current control\u003c\/li\u003e\n  \u003cli\u003eBattery-powered devices needing efficient DC-DC conversion\u003c\/li\u003e\n  \u003cli\u003eIoT modules and sensor nodes with tight power budgets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e13 model variants available\u003c\/strong\u003e — LED drivers, buck converters, load switches, and LDOs in one product line\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSOT23-6 SMD package\u003c\/strong\u003e — minimal PCB footprint for space-constrained designs\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHigh switching efficiency\u003c\/strong\u003e — TMI series ICs are optimised for low quiescent current and high conversion efficiency\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e5PCS per 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 TMI components, not remarked or counterfeit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLED strip and panel driver circuits\u003c\/li\u003e\n  \u003cli\u003eLi-ion \/ LiPo battery charger power stages\u003c\/li\u003e\n  \u003cli\u003eDC-DC step-down (buck) converter modules\u003c\/li\u003e\n  \u003cli\u003eIoT sensor node power management\u003c\/li\u003e\n  \u003cli\u003ePortable device power rails\u003c\/li\u003e\n  \u003cli\u003eAutomotive interior LED lighting drivers\u003c\/li\u003e\n  \u003cli\u003eSolar energy harvesting power management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I select the right TMI model for my application?\u003c\/strong\u003e\u003cbr\u003eA: Refer to the model table above for application guidance. Download the specific datasheet for your chosen model from the TMI (Techcode Microelectronics) website for full electrical specifications, application circuits, and layout guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these genuine TMI parts?\u003c\/strong\u003e\u003cbr\u003eA: Yes. These are new, original TMI series ICs. Each part is marked with the TMI logo and model number on the SOT23-6 body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I hand-solder SOT23-6 packages?\u003c\/strong\u003e\u003cbr\u003eA: Yes, with a fine-tip soldering iron (0.5–1mm tip), flux, and thin solder (0.3–0.5mm). A hot air rework station or reflow oven is recommended for production use.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5× TMI Series SOT23-6 IC (model as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"TMI3274T","offer_id":46985541288171,"sku":"14:175#TMI3274T","price":18.64,"currency_code":"USD","in_stock":true},{"title":"TMI3280","offer_id":46985541320939,"sku":"14:193#TMI3280","price":33.92,"currency_code":"USD","in_stock":true},{"title":"TMI3113H2","offer_id":46985541353707,"sku":"14:1202#TMI3113H2","price":14.76,"currency_code":"USD","in_stock":true},{"title":"TMI3252S","offer_id":46985541386475,"sku":"14:201659813#TMI3252S","price":23.96,"currency_code":"USD","in_stock":true},{"title":"TMI3253SH","offer_id":46985541419243,"sku":"14:94#TMI3253SH","price":29.0,"currency_code":"USD","in_stock":true},{"title":"TMI3253T","offer_id":46985541452011,"sku":"14:173#TMI3253T","price":26.92,"currency_code":"USD","in_stock":true},{"title":"TMI3113B","offer_id":46985541484779,"sku":"14:496#TMI3113B","price":32.0,"currency_code":"USD","in_stock":true},{"title":"TMI3253S","offer_id":46985541517547,"sku":"14:29#TMI3253S","price":9.48,"currency_code":"USD","in_stock":true},{"title":"TMI3281","offer_id":46985541550315,"sku":"14:366#TMI3281","price":9.4,"currency_code":"USD","in_stock":true},{"title":"TMI3252T","offer_id":46985541583083,"sku":"14:10#TMI3252T","price":27.08,"currency_code":"USD","in_stock":true},{"title":"TMI3222","offer_id":46985541615851,"sku":"14:350852#TMI3222","price":7.36,"currency_code":"USD","in_stock":true},{"title":"TMI3252","offer_id":46985541648619,"sku":"14:4044226#TMI3252","price":8.4,"currency_code":"USD","in_stock":true},{"title":"TMI3244T","offer_id":46985541681387,"sku":"14:351074#TMI3244T","price":11.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tmi-series-sot23-6-transistors-ics.webp?v=1761200556"},{"product_id":"3pcs-lot-ea1530a-tea1530a-tea1530-sop-8-voltage-regulator-ic","title":"3pcs\/lot EA1530A TEA1530A TEA1530 SOP-8 Voltage Regulator IC","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\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\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\"\u003eSOP\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\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\/S756b1d97969643abac1f0b27480a28a71.gif\" style=\"width:1000px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S756b1d97969643abac1f0b27480a28a71.gif\"\u003e\u003c\/p\u003e\n\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\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991409807595,"sku":"\u003cnone\u003e","price":14.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ea1530a-tea1530a-tea1530-sop8-ic.webp?v=1761968843"},{"product_id":"ch341a-usb-bios-programmer-lcd-mx25l6405-w25q64-24-25-series","title":"CH341A USB BIOS Programmer with LCD – Supports MX25L6405 \/ W25Q64 \/ 24 \u0026 25 Series Flash ICs","description":"\u003ch2\u003eCH341A USB BIOS Programmer with LCD – Supports MX25L6405 \/ W25Q64 \/ 24 \u0026amp; 25 Series\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCH341A USB programmer\u003c\/strong\u003e is the most widely used low-cost BIOS and flash memory programmer – a USB device that reads and writes SPI NOR flash (25 series) and I²C EEPROM (24 series) ICs directly from a PC via USB. This version includes an LCD display for status feedback. Compatible with the most common BIOS chips (MX25L6405, W25Q64, W25Q32, and hundreds more), it's the essential tool for BIOS recovery, firmware flashing, and IC programming without a dedicated programmer.\u003c\/p\u003e\n\n\u003ch3\u003eProgrammer Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgrammer IC:\u003c\/strong\u003e CH341A (WCH)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e USB 2.0 (appears as USB serial device)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupported IC Families:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003e25 series SPI NOR Flash:\u003c\/strong\u003e W25Qxx (Winbond), MX25Lxx (Macronix), GD25Qxx (GigaDevice), S25FLxx (Spansion), EN25Qxx (EON), and more\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e24 series I²C EEPROM:\u003c\/strong\u003e 24C01 through 24C512 (all capacities)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSocket:\u003c\/strong\u003e SOP-8 ZIF socket (for SOP-8 ICs) + DIP-8 socket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip Support:\u003c\/strong\u003e Compatible with SOP-8 test clip for in-circuit programming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD status display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e USB bus-powered (5V from USB)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoftware:\u003c\/strong\u003e AsProgrammer, NeoProgrammer, or CH341A Programmer (free, Windows)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating System:\u003c\/strong\u003e Windows 7\/8\/10\/11\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSupported Flash ICs (Examples)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWinbond:\u003c\/strong\u003e W25Q16, W25Q32, W25Q64, W25Q128, W25Q256\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMacronix:\u003c\/strong\u003e MX25L1606, MX25L3206, MX25L6406, MX25L12806\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGigaDevice:\u003c\/strong\u003e GD25Q32, GD25Q64, GD25Q128\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEEPROM:\u003c\/strong\u003e 24C01, 24C02, 24C04, 24C08, 24C16, 24C32, 24C64, 24C128, 24C256, 24C512\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBIOS recovery:\u003c\/strong\u003e Re-flash a corrupted BIOS chip after a failed update\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBIOS modding:\u003c\/strong\u003e Flash custom BIOS for overclocking or feature unlocking\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRouter firmware:\u003c\/strong\u003e Read\/write router firmware flash chips\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEEPROM programming:\u003c\/strong\u003e Program 24Cxxx EEPROMs for automotive and consumer electronics repair\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIC backup:\u003c\/strong\u003e Read and backup flash IC contents before repair\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlank IC programming:\u003c\/strong\u003e Program new blank flash ICs with firmware images\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIn-Circuit Programming Note\u003c\/h3\u003e\n\u003cp\u003eFor in-circuit programming (without removing the IC from the board), use an SOP-8 test clip connected to the programmer. Ensure the target board is powered off and the programmer provides the only power to the flash IC via the clip.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × CH341A USB BIOS programmer with LCD\u003c\/li\u003e\n  \u003cli\u003eSOP-8 ZIF socket adapter\u003c\/li\u003e\n  \u003cli\u003eUSB cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe essential BIOS recovery and flash programming tool – the CH341A reads and writes hundreds of SPI NOR flash and I²C EEPROM ICs via USB for BIOS recovery, firmware flashing, and IC programming.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991415935211,"sku":"\u003cnone\u003e","price":13.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ch341-usb-bios-programmer-mx25l6405-w25q64.webp?v=1761891491"},{"product_id":"ua741-lm324-lm393-lm339-ne555-dip-analog-ic-starter-set-10pcs","title":"UA741 \/ LM324 \/ LM393 \/ LM339 \/ NE555 DIP Analog IC Starter Set – Pack of 10","description":"\u003ch2\u003eUA741 \/ LM324 \/ LM393 \/ LM339 \/ NE555 DIP Analog IC Starter Set – Pack of 10\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eanalog IC starter set\u003c\/strong\u003e covers the five most essential general-purpose analog ICs in electronics – the building blocks that every electronics student, hobbyist, and engineer should have on hand. From the original op-amp (UA741) to the world's most popular timer (NE555), these ICs appear in virtually every analog electronics textbook and are the foundation of countless circuit designs. This 10-piece DIP pack is the ideal starter kit for electronics education and breadboard prototyping.\u003c\/p\u003e\n\n\u003ch3\u003eIncluded IC Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eUA741 (DIP-8) – Single General-Purpose Op-Amp\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eThe original op-amp – 1MHz GBW, ±15V dual supply\u003c\/li\u003e\n  \u003cli\u003eUse: Inverting\/non-inverting amplifier, integrator, differentiator, summing amplifier\u003c\/li\u003e\n  \u003cli\u003eBest for: Electronics education and legacy circuit repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eLM324N (DIP-14) – Quad Single-Supply Op-Amp\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4 op-amps, single supply 3V–32V, input range to GND\u003c\/li\u003e\n  \u003cli\u003eUse: Multi-channel signal conditioning, comparators, active filters, battery circuits\u003c\/li\u003e\n  \u003cli\u003eBest for: Battery-powered analog circuits and sensor amplification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eLM393N (DIP-8) – Dual Voltage Comparator\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e2 comparators, open-collector output, 2V–36V single supply\u003c\/li\u003e\n  \u003cli\u003eUse: Threshold detection, zero-crossing, window comparator, sensor alarms\u003c\/li\u003e\n  \u003cli\u003eBest for: Any voltage comparison application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eLM339N (DIP-14) – Quad Voltage Comparator\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4 comparators, open-collector output, 2V–36V single supply\u003c\/li\u003e\n  \u003cli\u003eQuad version of LM393 – 4 channels in one DIP-14 package\u003c\/li\u003e\n  \u003cli\u003eUse: Multi-channel threshold detection, battery monitoring, motor control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNE555 (DIP-8) – Timer IC\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eThe world's most popular IC – astable oscillator and monostable timer\u003c\/li\u003e\n  \u003cli\u003e4.5V–16V supply, 200mA output, 0.1Hz–500kHz frequency range\u003c\/li\u003e\n  \u003cli\u003eUse: LED flashers, PWM, tone generators, delay timers, debounce circuits\u003c\/li\u003e\n  \u003cli\u003eBest for: Any timing, oscillator, or PWM application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy These Five ICs?\u003c\/h3\u003e\n\u003cp\u003eThese five ICs cover the fundamental analog functions: \u003cstrong\u003eamplification\u003c\/strong\u003e (UA741, LM324), \u003cstrong\u003ecomparison\u003c\/strong\u003e (LM393, LM339), and \u003cstrong\u003etiming\u003c\/strong\u003e (NE555). Together they can implement virtually any basic analog circuit – from sensor interfaces to oscillators to power control. They appear in every analog electronics textbook and are the first ICs every electronics student should learn.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × DIP analog ICs (select variant: UA741, LM324N, LM393N, LM339N, or NE555)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe five essential analog ICs – op-amps, comparators, and timer in DIP packages for electronics education, breadboard prototyping, and general-purpose analog circuit design.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"5PCS-LM339","offer_id":46991416459499,"sku":"14:4044226#20PCS-LM339","price":7.24,"currency_code":"USD","in_stock":true},{"title":"5PCS-LM393","offer_id":46991416492267,"sku":"14:350852#20PCS-LM393","price":5.2,"currency_code":"USD","in_stock":true},{"title":"5PCS-LM324","offer_id":46991416525035,"sku":"14:201659813#20PCS-LM324","price":7.04,"currency_code":"USD","in_stock":true},{"title":"5PCS-LM358","offer_id":46991416557803,"sku":"14:1202#20PCS-LM358","price":5.24,"currency_code":"USD","in_stock":true},{"title":"5PCS-NE555","offer_id":46991416590571,"sku":"14:351074#20PCS-NE555","price":5.24,"currency_code":"USD","in_stock":true},{"title":"5PCS-UA741CN","offer_id":46991416623339,"sku":"14:10#20PCS-UA741CN","price":7.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ua741-lm324-lm393-lm339-ne555-ic.webp?v=1761890915"},{"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":"lm224-lm224dr-quad-single-supply-op-amp-ic-sop14-5pcs","title":"LM224 \/ LM224DR Quad Single-Supply Op-Amp IC SOP-14 – Pack of 5","description":"\u003ch2\u003eLM224 \/ LM224DR Quad Single-Supply Op-Amp IC – SOP-14, Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM224 \/ LM224DR\u003c\/strong\u003e is the SMD surface-mount version of the classic LM324 quad op-amp – four independent single-supply operational amplifiers in a compact SOP-14 package. With single-supply operation from 3V to 32V, input common-mode range extending to ground, and output swing to within millivolts of the negative rail, it's the go-to quad op-amp for battery-powered circuits, sensor signal conditioning, and analog processing in PCB designs. The LM224 is the industrial-temperature version of the LM324 (−40°C to +105°C). This 5-piece SOP-14 pack is ideal for PCB design and production.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LM224 \/ LM224DR \/ LM224D (SOP-14 SMD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOP-14 (SMD, 1.27mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Op-Amps:\u003c\/strong\u003e 4 (quad)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3V – 32V (single supply) \/ ±1.5V – ±16V (dual supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Common-Mode Range:\u003c\/strong\u003e GND to VCC−1.5V (includes ground)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage Swing:\u003c\/strong\u003e 0V to VCC−1.5V (single supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBW:\u003c\/strong\u003e 1 MHz (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlew Rate:\u003c\/strong\u003e 0.5 V\/μs (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Offset Voltage:\u003c\/strong\u003e 2mV (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Current (all 4 amps):\u003c\/strong\u003e 0.8mA (typical at 5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +105°C (LM224 industrial)\u003c\/li\u003e\n  \u003cli\u003eShort-circuit protected output\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLM224 vs LM324 – Temperature Grade\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLM224:\u003c\/strong\u003e Industrial grade – −40°C to +105°C, SOP-14 SMD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLM324N:\u003c\/strong\u003e Commercial grade – 0°C to +70°C, DIP-14 through-hole\u003c\/li\u003e\n  \u003cli\u003eFunctionally identical – same electrical specifications, different temperature range and package\u003c\/li\u003e\n  \u003cli\u003eChoose LM224 for industrial, automotive, or outdoor applications requiring extended temperature range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor signal conditioning:\u003c\/strong\u003e 4-channel amplification for temperature, pressure, and current sensors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComparator arrays:\u003c\/strong\u003e 4 voltage threshold detectors in one package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive filters:\u003c\/strong\u003e Multi-stage low-pass, high-pass, and bandpass filter banks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery-powered circuits:\u003c\/strong\u003e Single-supply analog processing from 3V–5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial control:\u003c\/strong\u003e Signal conditioning for PLC analog inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB repair:\u003c\/strong\u003e SMD replacement for failed LM224\/LM324 in consumer and industrial electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × LM224 \/ LM224DR SOP-14 quad single-supply op-amp ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFour single-supply op-amps in a compact SOP-14 SMD package – the LM224 is the industrial-grade SMD equivalent of the LM324 for PCB design, repair, and production.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991423701227,"sku":"\u003cnone\u003e","price":5.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/lm224-sop14-operational-amplifier-ic.webp?v=1761889691"},{"product_id":"sn74hc166n-174n-175n-191n-192n-194n-195n-dip16-logic-ics-5pcs","title":"SN74HC166N \/ 174N \/ 175N \/ 191N \/ 192N \/ 194N \/ 195N DIP-16 Logic ICs – Pack of 5","description":"\u003ch2\u003eSN74HC166N \/ 174N \/ 175N \/ 191N \/ 192N \/ 194N \/ 195N DIP-16 Logic ICs – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThis listing covers seven essential \u003cstrong\u003e74HC series DIP-16 medium-complexity logic ICs\u003c\/strong\u003e – shift registers, flip-flop arrays, and up\/down counters that form the backbone of sequential digital circuit design. All devices are high-speed CMOS operating from 2V to 6V, compatible with Arduino, Raspberry Pi, and 5V TTL systems.\u003c\/p\u003e\n\n\u003ch3\u003eIC Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eSN74HC166N – 8-Bit Parallel-Load Shift Register\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8-bit shift register with parallel load capability\u003c\/li\u003e\n  \u003cli\u003eSerial or parallel input, serial output (Q7)\u003c\/li\u003e\n  \u003cli\u003eSynchronous clear and clock enable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Parallel-to-serial conversion, data serialization, SPI data transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC174N – Hex D-Type Flip-Flop with Reset\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e6 positive edge-triggered D flip-flops, common clock and asynchronous reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e 6-bit data register, pipeline stage, synchronous state storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC175N – Quad D-Type Flip-Flop with Reset\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4 positive edge-triggered D flip-flops, common clock and asynchronous reset\u003c\/li\u003e\n  \u003cli\u003eComplementary Q and ̅Q̅ outputs per flip-flop\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e 4-bit data register, nibble storage, synchronous state machine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC191N – Synchronous 4-Bit Up\/Down Binary Counter\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSynchronous presettable 4-bit binary counter, counts up or down\u003c\/li\u003e\n  \u003cli\u003eSingle U\/̅D̅ pin selects count direction\u003c\/li\u003e\n  \u003cli\u003eRipple clock output for cascading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Bidirectional event counting, frequency division, position tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC192N – Synchronous 4-Bit Up\/Down BCD Counter\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSynchronous presettable BCD counter (counts 0–9), up or down\u003c\/li\u003e\n  \u003cli\u003eSeparate UP and DOWN clock inputs\u003c\/li\u003e\n  \u003cli\u003eCarry and borrow outputs for cascading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Decimal counting, BCD display driving, frequency division by 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC194N – 4-Bit Bidirectional Universal Shift Register\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eShift left, shift right, parallel load, or hold – all 4 modes\u003c\/li\u003e\n  \u003cli\u003eSerial inputs for both shift directions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Serial\/parallel conversion, ring counters, sequence generators, bidirectional data shifting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC195N – 4-Bit Parallel-Access Shift Register\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4-bit shift register with parallel load and J\/̅K̅ serial input\u003c\/li\u003e\n  \u003cli\u003eSynchronous parallel load via PE (Parallel Enable) pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Serial-to-parallel conversion, data buffering, pipeline registers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~10–15ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × DIP-16 logic ICs (select variant from available options)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShift registers, flip-flop arrays, and up\/down counters – the SN74HC DIP-16 sequential logic family for digital circuit design, embedded systems, and electronics education.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"SN74HC194N","offer_id":46991423996139,"sku":"14:203027873#SN74HC194N","price":7.64,"currency_code":"USD","in_stock":true},{"title":"SN74HC195N","offer_id":46991424028907,"sku":"14:202693815#SN74HC195N","price":12.72,"currency_code":"USD","in_stock":true},{"title":"SN74HC191N","offer_id":46991424061675,"sku":"14:691#SN74HC191N","price":9.04,"currency_code":"USD","in_stock":true},{"title":"SN74HC192N","offer_id":46991424094443,"sku":"14:203008818#SN74HC192N","price":7.04,"currency_code":"USD","in_stock":true},{"title":"SN74HC174N","offer_id":46991424127211,"sku":"14:350852#SN74HC174N","price":9.16,"currency_code":"USD","in_stock":true},{"title":"SN74HC175N","offer_id":46991424159979,"sku":"14:175#SN74HC175N","price":11.76,"currency_code":"USD","in_stock":true},{"title":"SN74HC166N","offer_id":46991424192747,"sku":"14:1202#SN74HC166N","price":13.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc166n-174n-175n-191n-192n-194n-195n-dip16-logic-ics.webp?v=1761889559"},{"product_id":"sn74hc244n-sn74hc245n-sn74hc373n-sn74hc374n-dip20-bus-logic-ics-5pcs","title":"SN74HC244N \/ SN74HC245N \/ SN74HC373N \/ SN74HC374N DIP-20 Bus Logic ICs – Pack of 5","description":"\u003ch2\u003eSN74HC244N \/ SN74HC245N \/ SN74HC373N \/ SN74HC374N DIP-20 Bus Logic ICs – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThese four \u003cstrong\u003e74HC series DIP-20 bus interface ICs\u003c\/strong\u003e are the essential building blocks for data bus buffering, level shifting, and data latching in digital systems. All four are octal (8-bit) devices with tri-state outputs for bus sharing, and all operate from 2V to 6V with ±25mA output drive. Together they cover the complete range of bus interface functions: unidirectional buffering, bidirectional transceivers, transparent latches, and edge-triggered registers.\u003c\/p\u003e\n\n\u003ch3\u003eIC Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eSN74HC244N – Octal Buffer \/ Line Driver (Non-Inverting, 3-State)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 non-inverting buffers with tri-state outputs\u003c\/li\u003e\n  \u003cli\u003eTwo 4-bit groups with independent output enable (̅O̅E̅1, ̅O̅E̅2)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Bus driving, signal isolation, address bus buffering, GPIO protection\u003c\/li\u003e\n  \u003cli\u003eUnidirectional – data flows from A to Y only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC245N – Octal Bus Transceiver (Non-Inverting, 3-State)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 bidirectional buffers with tri-state outputs\u003c\/li\u003e\n  \u003cli\u003eDirection control (DIR): HIGH = A→B, LOW = B→A\u003c\/li\u003e\n  \u003cli\u003eOutput enable (̅O̅E̅): active LOW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Bidirectional data bus buffering, 3.3V↔5V level shifting, bus isolation\u003c\/li\u003e\n  \u003cli\u003eThe most commonly used bus transceiver in digital systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC373N – Octal Transparent D-Type Latch (3-State)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 D-type latches with common latch enable (LE) and output enable (̅O̅E̅)\u003c\/li\u003e\n  \u003cli\u003eTransparent when LE is HIGH – outputs follow inputs\u003c\/li\u003e\n  \u003cli\u003eLatches data when LE goes LOW – outputs hold last state\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Address latching in multiplexed bus systems, data bus demultiplexing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC374N – Octal D-Type Flip-Flop (3-State, Positive Edge-Triggered)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 D-type flip-flops with common clock (CLK) and output enable (̅O̅E̅)\u003c\/li\u003e\n  \u003cli\u003eData captured on rising clock edge – synchronous operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Output port registers, pipeline registers, synchronous data bus latching\u003c\/li\u003e\n  \u003cli\u003ePreferred over 74HC373 for synchronous systems (clock-edge triggered vs level-sensitive)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-20 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~8–12ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × DIP-20 bus logic ICs (select variant: SN74HC244N, SN74HC245N, SN74HC373N, or SN74HC374N)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe complete 74HC bus interface toolkit – buffers, transceivers, latches, and registers in DIP-20 for data bus buffering, level shifting, and synchronous data capture in digital systems.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"SN74HC245N","offer_id":46991424389355,"sku":"14:175#SN74HC245N","price":6.64,"currency_code":"USD","in_stock":true},{"title":"SN74HC244N","offer_id":46991424422123,"sku":"14:1202#SN74HC244N","price":7.16,"currency_code":"USD","in_stock":true},{"title":"SN74HC374N","offer_id":46991424454891,"sku":"14:203008818#SN74HC374N","price":7.0,"currency_code":"USD","in_stock":true},{"title":"SN74HC373N","offer_id":46991424487659,"sku":"14:691#SN74HC373N","price":7.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/S1827d468995a4bdd87081963716e8e18T.webp?v=1761361110"},{"product_id":"fm24cl64b-fm24cl16-g-fm6316fe-sop8-i2c-spi-fram-memory-ic-5pcs","title":"FM24CL64B \/ FM24CL16-G \/ FM6316FE SOP-8 I²C \/ SPI FRAM Memory IC – Pack of 5","description":"\u003ch2\u003eFM24CL64B \/ FM24CL16-G \/ FM6316FE SOP-8 FRAM Memory IC – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eFRAM (Ferroelectric RAM)\u003c\/strong\u003e is a non-volatile memory technology that combines the best properties of SRAM and EEPROM: it writes at SRAM speed (no write delay), has virtually unlimited write endurance (100 trillion cycles vs 1 million for EEPROM), and retains data without power like EEPROM. The \u003cstrong\u003eFM24CL64B, FM24CL16-G, and FM6316FE\u003c\/strong\u003e from Cypress Semiconductor (now Infineon) are the most widely used FRAM ICs in embedded systems requiring frequent non-volatile writes – data logging, odometers, event counters, and real-time parameter storage. This 5-piece SOP-8 pack is ideal for engineers who need reliable, high-endurance non-volatile storage.\u003c\/p\u003e\n\n\u003ch3\u003eIC Variant Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eFM24CL16-G – 16Kbit (2KB) I²C FRAM\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 16Kbit = 2KB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I²C (400kHz Fast Mode)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 3.6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Endurance:\u003c\/strong\u003e 100 trillion (10¹´) cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Speed:\u003c\/strong\u003e No write delay – byte-write completes in one I²C transaction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Retention:\u003c\/strong\u003e 10 years at +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFM24CL64B – 64Kbit (8KB) I²C FRAM\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 64Kbit = 8KB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I²C (400kHz Fast Mode)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 3.6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Endurance:\u003c\/strong\u003e 100 trillion cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Speed:\u003c\/strong\u003e No write delay\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Retention:\u003c\/strong\u003e 10 years at +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFM6316FE – 256Kbit (32KB) SPI FRAM\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 256Kbit = 32KB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SPI (up to 40MHz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 3.6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Endurance:\u003c\/strong\u003e 100 trillion cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite Speed:\u003c\/strong\u003e No write delay – full-speed SPI write\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFRAM vs EEPROM – Why FRAM Wins for Frequent Writes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEEPROM write endurance:\u003c\/strong\u003e 1,000,000 cycles – exhausted in 11 days at 1 write\/ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFRAM write endurance:\u003c\/strong\u003e 100,000,000,000,000 cycles – effectively unlimited\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEEPROM write time:\u003c\/strong\u003e 5ms per byte (blocking)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFRAM write time:\u003c\/strong\u003e No delay – write completes at bus speed\u003c\/li\u003e\n  \u003cli\u003eUse FRAM for: odometers, event counters, real-time data logging, power-fail safe storage\u003c\/li\u003e\n  \u003cli\u003eUse EEPROM for: infrequent configuration writes where cost matters more than endurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOdometers and hour meters:\u003c\/strong\u003e Frequent non-volatile counter updates without wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-time data logging:\u003c\/strong\u003e Log sensor data at high rates without write delay or wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower-fail safe storage:\u003c\/strong\u003e Write critical data instantly before power loss\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEvent counters:\u003c\/strong\u003e Count events millions of times per day without EEPROM wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial control:\u003c\/strong\u003e Real-time parameter storage in PLCs and control systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWearable devices:\u003c\/strong\u003e High-endurance storage for health monitoring data\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × FM24CL64B \/ FM24CL16-G \/ FM6316FE SOP-8 FRAM memory ICs (select variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e100 trillion write cycles, no write delay, non-volatile – FRAM is the correct choice when EEPROM endurance is insufficient for your application.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"FM24CL16-G","offer_id":46991424749803,"sku":"14:350852#FM24CL16-G","price":7.6,"currency_code":"USD","in_stock":true},{"title":"FM24CL64B-GTR","offer_id":46991424782571,"sku":"14:1202#FM24CL64B-GTR","price":14.52,"currency_code":"USD","in_stock":true},{"title":"FM6316FE","offer_id":46991424815339,"sku":"14:351074#FM6316FE","price":5.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/fm24cl64b-fm24cl16g-fm6316fe-sop8-fram.webp?v=1761889118"},{"product_id":"sn74hc393n-sn74hc51n-sn74hc54n-sn74hc73n-dip14-logic-ics-5pcs","title":"SN74HC393N \/ SN74HC51N \/ SN74HC54N \/ SN74HC73N DIP-14 Logic ICs – Pack of 5","description":"\u003ch2\u003eSN74HC393N \/ SN74HC51N \/ SN74HC54N \/ SN74HC73N DIP-14 Logic ICs – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThis pack covers four specialized \u003cstrong\u003e74HC series DIP-14 logic ICs\u003c\/strong\u003e – a dual binary counter, AND-OR-INVERT gates, and a JK flip-flop – providing medium-complexity combinational and sequential logic functions for digital circuit design. All devices are high-speed CMOS operating from 2V to 6V, compatible with Arduino, Raspberry Pi, and 5V TTL systems.\u003c\/p\u003e\n\n\u003ch3\u003eIC Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eSN74HC393N – Dual 4-Bit Binary Counter\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo independent 4-bit ripple binary counters (counts 0–15 each)\u003c\/li\u003e\n  \u003cli\u003eAsynchronous clear (CLR) per counter\u003c\/li\u003e\n  \u003cli\u003eNegative edge-triggered clock input\u003c\/li\u003e\n  \u003cli\u003eCarry output from Q3 for cascading to 8-bit, 12-bit, 16-bit counters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Frequency division, event counting, address generation, timer circuits\u003c\/li\u003e\n  \u003cli\u003eNote: Ripple counter (asynchronous) – use 74HC163 for synchronous counting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC51N – Dual AND-OR-INVERT Gate\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo independent AND-OR-INVERT (AOI) gates\u003c\/li\u003e\n  \u003cli\u003eGate 1: 2-wide 2-input AOI (2 AND gates feeding 1 NOR)\u003c\/li\u003e\n  \u003cli\u003eGate 2: 2-wide 2-input AOI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Compact combinational logic, sum-of-products implementation, carry logic in adders\u003c\/li\u003e\n  \u003cli\u003eImplements complex logic in fewer gates than discrete AND + OR + NOT\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC54N – 4-Wide AND-OR-INVERT Gate\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle 4-wide AND-OR-INVERT gate (4 AND gates feeding 1 NOR)\u003c\/li\u003e\n  \u003cli\u003eInputs: 2+2+2+2 (four 2-input AND gates)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Complex combinational logic, carry-lookahead adder logic, multiplexer control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC73N – Dual JK Flip-Flop with Clear\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo independent negative edge-triggered JK flip-flops\u003c\/li\u003e\n  \u003cli\u003eAsynchronous clear (CLR, active LOW) per flip-flop\u003c\/li\u003e\n  \u003cli\u003eJ=1, K=1 → Toggle mode (divide-by-2 counter)\u003c\/li\u003e\n  \u003cli\u003eJ=1, K=0 → Set | J=0, K=1 → Reset | J=0, K=0 → Hold\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Toggle flip-flop, frequency divider, state machine design, ripple counter stages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon 74HC Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~8–15ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × DIP-14 logic ICs (select variant: SN74HC393N, SN74HC51N, SN74HC54N, or SN74HC73N)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSpecialized 74HC logic functions – dual counters, AND-OR-INVERT gates, and JK flip-flops for advanced digital circuit design and sequential logic applications.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"SN74HC393N","offer_id":46991426846955,"sku":"14:1202#SN74HC393N","price":11.36,"currency_code":"USD","in_stock":true},{"title":"SN74HC73N","offer_id":46991426879723,"sku":"14:203008818#SN74HC73N","price":7.68,"currency_code":"USD","in_stock":true},{"title":"SN74HC54N","offer_id":46991426912491,"sku":"14:691#SN74HC54N","price":19.24,"currency_code":"USD","in_stock":true},{"title":"SN74HC51N","offer_id":46991426945259,"sku":"14:175#SN74HC51N","price":6.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc-series-dip14-logic-ics.webp?v=1761885233"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/collections\/image_c5b3b9c9-65e5-4e44-aceb-e452a1f8c5bc.png?v=1776233660","url":"https:\/\/keszoox.com\/collections\/ics-logic-chips.oembed?page=5","provider":"Keszoox","version":"1.0","type":"link"}