Install this component

Paste this into Claude Code (VS Code panel, Adom editor, or terminal) to install:

Search the Adom Wiki for the library component "ULN2003A" (slug: uln2003a) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/libraries/uln2003a. Pull down the KiCad symbol, footprint, and 3D model files from the wiki page's assets. Install them into my current KiCad project and register in sym-lib-table and fp-lib-table. If the page has a datasheet URL, save that too.
Manufacturer Texas Instruments
Package DIP-16
Pins 16 pins (Input, Output, Power)
LCSC C7584
Supply Voltage 5V-50V
Output Current 500mA per channel
Channels 7 Darlington pairs
Package DIP-16 / SOIC-16

Library View

Interactive symbol, footprint, and 3D model — hover pins for cross-highlighting.

SymbolGenerated Generated from pin data (KiCad symbol Transistor_Array/ULN2003A is extends-based)
FootprintKiCad KiCad standard library: Package_DIP/DIP-16_W7.62mm
3DGenerated Generated pad visualization (Babylon.js)

Breakout Board

Auto-generated breakout molecule for ULN2003A — all pins brought to 2mm-pitch headers with 4 corner machine pins on 8mm grid.

Pricing & Availability

Specifications

Supply Voltage5V-50V
Output Current500mA per channel
Channels7 Darlington pairs
PackageDIP-16 / SOIC-16

Pin Configuration

InputOutputPower
PinNameGroupFunction
Input — Darlington driver inputs
11BInputInput 1
22BInputInput 2
33BInputInput 3
44BInputInput 4
55BInputInput 5
66BInputInput 6
77BInputInput 7
Output — Open-collector outputs
107COutputOutput 7 (open collector)
116COutputOutput 6 (open collector)
125COutputOutput 5 (open collector)
134COutputOutput 4 (open collector)
143COutputOutput 3 (open collector)
152COutputOutput 2 (open collector)
161COutputOutput 1 (open collector)
Power — Common and ground
8GNDPowerGround
9COMPowerCommon clamp diode

AI Skill Technical Reference

Edit AI Skill

ULN2003A — 7-channel Darlington driver array, 500mA per channel, DIP-16

Manufacturer: Texas Instruments Package: DIP-16 LCSC: C7584

Description

The ULN2003A is a 7-channel Darlington transistor array with integrated suppression diodes. Each channel sinks up to 500mA. Commonly used to drive stepper motors, relays, and LED arrays from logic outputs.

Electrical Specifications

  • Supply Voltage: 5V-50V
  • Output Current: 500mA per channel
  • Channels: 7 Darlington pairs
  • Package: DIP-16 / SOIC-16

Pin Configuration

Package: DIP-16

  • Pin 1: 1B — Input 1
  • Pin 2: 2B — Input 2
  • Pin 3: 3B — Input 3
  • Pin 4: 4B — Input 4
  • Pin 5: 5B — Input 5
  • Pin 6: 6B — Input 6
  • Pin 7: 7B — Input 7
  • Pin 8: GND — Ground
  • Pin 9: COM — Common clamp diode
  • Pin 10: 7C — Output 7 (open collector)
  • Pin 11: 6C — Output 6 (open collector)
  • Pin 12: 5C — Output 5 (open collector)
  • Pin 13: 4C — Output 4 (open collector)
  • Pin 14: 3C — Output 3 (open collector)
  • Pin 15: 2C — Output 2 (open collector)
  • Pin 16: 1C — Output 1 (open collector)

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0 revisions · Updated 2026-03-02 17:31:36