{"product_id":"uln2004-uln2004a-7ch-darlington-array-ic-sop16-smd-10pcs","title":"ULN2004 \/ ULN2004A 7-Channel Darlington Array IC SOP-16 SMD – Pack of 10","description":"\u003ch2\u003eULN2004 \/ ULN2004A 7-Channel Darlington Array IC – SOP-16 SMD, Pack of 10\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eULN2004 \/ ULN2004A\u003c\/strong\u003e in SOP-16 is the surface-mount version of the classic DIP-16 Darlington array – seven high-voltage, high-current NPN Darlington transistor pairs in a compact SMD package, each capable of sinking 500mA at up to 50V. Built-in flyback diodes protect against inductive load transients from relays, solenoids, and motors. The ULN2004A variant is specifically optimized for PMOS and CMOS logic inputs (5V–15V), making it the correct choice for driving loads from Arduino, Raspberry Pi, and 5V microcontroller GPIO. This 10-piece SOP-16 pack is ideal for PCB production and repair.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ULN2004 \/ ULN2004A \/ TD62004AF (SOP-16)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOP-16 (SMD, 1.27mm 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\u003eInput Voltage (logic HIGH):\u003c\/strong\u003e 5V – 15V (PMOS\/CMOS compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Input Resistor:\u003c\/strong\u003e 10.5kΩ per channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Flyback Diodes:\u003c\/strong\u003e Yes (COM pin to load supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVCE Saturation:\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\u003eSOP-16 vs DIP-16 – Package Selection\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2004A (DIP-16):\u003c\/strong\u003e Through-hole, breadboard and through-hole PCB use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2004 (SOP-16):\u003c\/strong\u003e SMD surface-mount, for PCB production and space-constrained designs\u003c\/li\u003e\n  \u003cli\u003eFunctionally identical – same electrical specifications, different package\u003c\/li\u003e\n  \u003cli\u003eChoose SOP-16 for PCB production; choose DIP-16 for prototyping and repair\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 PCBs:\u003c\/strong\u003e Drive 5V–12V relay coils from microcontroller GPIO on PCB designs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStepper motor driver:\u003c\/strong\u003e Drive unipolar stepper motor coils from MCU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolenoid valve control:\u003c\/strong\u003e Industrial and automotive solenoid driver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-current LED arrays:\u003c\/strong\u003e Drive LED strips and arrays beyond GPIO limits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial I\/O:\u003c\/strong\u003e Interface 5V logic to 12V\/24V industrial loads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB repair:\u003c\/strong\u003e SMD replacement for failed ULN2004 in consumer electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × ULN2004 \/ ULN2004A SOP-16 7-channel Darlington array ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSeven channels, 500mA each, built-in flyback diodes in a compact SOP-16 SMD package – the ULN2004 is the essential relay and motor driver IC for PCB production and surface-mount designs.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991445655787,"sku":"\u003cnone\u003e","price":9.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/uln2004-uln2004a-sop16-darlington-array-ic.webp?v=1761806213","url":"https:\/\/keszoox.com\/products\/uln2004-uln2004a-7ch-darlington-array-ic-sop16-smd-10pcs","provider":"Keszoox","version":"1.0","type":"link"}