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ULN2003APWR

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Texas Instruments Darlington Transistor Arrays, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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ULN2003APWR

Texas Instruments · Darlington Transistor Arrays · TSSOP-16

ULN2003APWR from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1B input Channel 1 base input with 2.7kΩ series resistor, accepts TTL/CMOS logic signals.
2 2B input Channel 2 base input with 2.7kΩ series resistor, accepts TTL/CMOS logic signals.
3 3B input Channel 3 base input with 2.7kΩ series resistor, accepts TTL/CMOS logic signals.
4 4B input Channel 4 base input with 2.7kΩ series resistor, accepts TTL/CMOS logic signals.
5 5B input Channel 5 base input with 2.7kΩ series resistor, accepts TTL/CMOS logic signals.
6 6B input Channel 6 base input with 2.7kΩ series resistor, accepts TTL/CMOS logic signals.
7 7B input Channel 7 base input with 2.7kΩ series resistor, accepts TTL/CMOS logic signals.
8 E power_in Common emitter terminal shared by all seven Darlington pairs, typically connected to ground.
9 COM power_in Common cathode node for internal flyback diodes, connect to supply voltage for inductive load protection.
10 7C tri_state Channel 7 open-collector output with maximum 500mA sink current at up to 50V.
11 6C tri_state Channel 6 open-collector output with maximum 500mA sink current at up to 50V.
12 5C tri_state Channel 5 open-collector output with maximum 500mA sink current at up to 50V.
13 4C tri_state Channel 4 open-collector output with maximum 500mA sink current at up to 50V.
14 3C tri_state Channel 3 open-collector output with maximum 500mA sink current at up to 50V.
15 2C tri_state Channel 2 open-collector output with maximum 500mA sink current at up to 50V.
16 1C tri_state Channel 1 open-collector output with maximum 500mA sink current at up to 50V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Transistors/Thyristors
Pins 16

CAD (KiCad official)

  • Symbol: ULN2003APWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: uln2003apwr-etched.step / uln2003apwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2003apwr.step / uln2003apwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (42 pp, sha256 66c52f3b2343d08a, retrieved 2026-09-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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