{"product_id":"uln2004a-uln2004an-7ch-darlington-array-ic-dip16-5pcs","title":"ULN2004A \/ ULN2004AN 7-Channel Darlington Array IC DIP-16 – Pack of 5","description":"\u003ch2\u003eULN2004A \/ ULN2004AN 7-Channel Darlington Array IC – DIP-16, Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eULN2004A \/ ULN2004AN\u003c\/strong\u003e is a 7-channel high-voltage, high-current Darlington transistor array IC – the go-to solution for driving relays, stepper motors, solenoids, and high-current LEDs directly from microcontroller GPIO pins. Each of the 7 channels can sink up to 500mA at 50V, with built-in flyback diodes for inductive load protection. The ULN2004A is specifically designed for PMOS and CMOS logic inputs (5V–15V), making it the correct choice for driving loads from Arduino, Raspberry Pi, and 5V microcontroller outputs. This 5-piece DIP-16 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 ULN2004A \/ ULN2004AN \/ ULN2004APG \/ TD62004\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\u003eChannels:\u003c\/strong\u003e 7 (independent NPN Darlington pairs)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage (max):\u003c\/strong\u003e 50V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current (per channel):\u003c\/strong\u003e 500mA (continuous), 600mA (peak)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Output Current:\u003c\/strong\u003e 2.5A (all channels simultaneously)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage (logic HIGH):\u003c\/strong\u003e 5V – 15V (PMOS\/CMOS compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Resistor:\u003c\/strong\u003e Built-in 10.5kΩ series resistor per channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlyback Diodes:\u003c\/strong\u003e Built-in (COM pin connects to supply for inductive loads)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSaturation Voltage (VCE sat):\u003c\/strong\u003e ~1V at 350mA\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\u003eULN2004A vs ULN2003A – Input Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2003A:\u003c\/strong\u003e Designed for 5V TTL and CMOS inputs (input resistor: 2.7kΩ)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2004A:\u003c\/strong\u003e Designed for PMOS and CMOS inputs 5V–15V (input resistor: 10.5kΩ) – better for 5V Arduino GPIO\u003c\/li\u003e\n  \u003cli\u003eBoth have identical output specifications (500mA, 50V, 7 channels)\u003c\/li\u003e\n  \u003cli\u003eUse ULN2004A for Arduino, Raspberry Pi, and 5V microcontroller GPIO outputs\u003c\/li\u003e\n  \u003cli\u003eUse ULN2003A for 5V TTL logic outputs or when lower input threshold is needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePin Configuration (DIP-16)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePins 1–7: Input channels IN1–IN7 (logic input, active HIGH)\u003c\/li\u003e\n  \u003cli\u003ePin 8: GND (emitter common)\u003c\/li\u003e\n  \u003cli\u003ePin 9: COM (flyback diode common – connect to load supply voltage)\u003c\/li\u003e\n  \u003cli\u003ePins 10–16: Output channels OUT7–OUT1 (open-collector, active LOW sink)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay driver:\u003c\/strong\u003e Drive 5V–12V relay coils directly from Arduino GPIO (most common use)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStepper motor driver:\u003c\/strong\u003e Drive unipolar stepper motor coils from microcontroller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolenoid driver:\u003c\/strong\u003e Control solenoid valves and actuators\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-current LED driver:\u003c\/strong\u003e Drive LED arrays beyond GPIO current limits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor control:\u003c\/strong\u003e Drive small DC motors via PWM from microcontroller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLevel shifting:\u003c\/strong\u003e Interface 5V logic to 12V or 24V industrial loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × ULN2004A \/ ULN2004AN DIP-16 7-channel Darlington array ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSeven channels, 500mA each, built-in flyback diodes – the ULN2004A is the simplest and most reliable way to drive relays, stepper motors, and high-current loads from Arduino and microcontroller GPIO pins.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991448604907,"sku":"\u003cnone\u003e","price":9.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/uln2004a-uln2004an-dip-16-darlington-array-ic.webp?v=1761802651","url":"https:\/\/keszoox.com\/products\/uln2004a-uln2004an-7ch-darlington-array-ic-dip16-5pcs","provider":"Keszoox","version":"1.0","type":"link"}