Symbol

ULN2003A

7-channel Darlington driver — 500mA/ch, built-in flyback diodes

⚡ Install this symbol

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

Search the Adom Wiki for the symbol "ULN2003A" (slug: sym-uln2003a) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/symbols/sym-uln2003a. Download the .kicad_sym file from the wiki page's static assets. Add it to my current KiCad project's symbols/ directory and register in sym-lib-table.
Category Driver
Library Transistor_Array
Symbol ULN2003A
Pins 16
Package DIP-16 / SOIC-16
Schematic Symbol

AI Skill Technical Reference

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ULN2003A

Symbol: ULN2003A Library: Transistor_Array Category: Driver Pins: 16 Package: DIP-16 / SOIC-16

Description

The ULN2003A contains seven open-collector NPN Darlington pairs with flyback diodes. Each channel sinks 500mA at up to 50V. Standard driver for 28BYJ-48 steppers, relays, and LED strips. DIP-16 / SOIC-16.

KiCad Library Reference

This symbol is from the official KiCad Transistor_Array library. Full identifier: Transistor_Array:ULN2003A

To use in your project:

  1. Open the Symbol Library Manager in KiCad
  2. Search for ULN2003A
  3. Place the symbol in your schematic

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0 revisions · KiCad Library: Transistor_Array:ULN2003A · Updated 2026-03-02 17:31:36