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Contents

README

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ULN2004M

HGSEMI · Darlington Transistor Arrays · SOP-16

ULN2004M from HGSEMI, in a SOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1B input Darlington channel 1 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V.
2 2B input Darlington channel 2 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V.
3 3B input Darlington channel 3 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V.
4 4B input Darlington channel 4 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V.
5 5B input Darlington channel 5 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V.
6 6B input Darlington channel 6 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V.
7 7B input Darlington channel 7 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V.
8 GND power_in Emitter/substrate ground terminal; total emitter-terminal current is limited to -2.5 A and all voltages are referenced to it.
9 COM passive Common cathode of the output clamp diodes for switching inductive loads; clamp current max 500 mA.
10 7C output Darlington channel 7 open-collector output rated 500 mA and 50 V collector-emitter.
11 6C output Darlington channel 6 open-collector output rated 500 mA and 50 V collector-emitter.
12 5C output Darlington channel 5 open-collector output rated 500 mA and 50 V collector-emitter.
13 4C output Darlington channel 4 open-collector output rated 500 mA and 50 V collector-emitter.
14 3C output Darlington channel 3 open-collector output rated 500 mA and 50 V collector-emitter.
15 2C output Darlington channel 2 open-collector output rated 500 mA and 50 V collector-emitter.
16 1C output Darlington channel 1 open-collector output rated 500 mA and 50 V collector-emitter.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOP-16
Category Transistors/Thyristors
Pins 16

CAD (KiCad official)

  • Symbol: ULN2004M
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: uln2004m-etched.step / uln2004m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2004m.step / uln2004m.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: HGSEMI datasheet (14 pp, sha256 a3310c4af7adb209, retrieved 2026-10-12, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF