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ULN2003A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2003A product

ULN2003A

Power Distribution Switches

Darlington ArrayInductive Load Driver

The ULN2003A is a versatile 7-channel Darlington transistor array designed for high-current, high-voltage inductive load switching.

Best for

  • Relay driving
  • Stepper motor control
  • LED display drivers

Avoid if

  • High-speed switching applications exceeding 1MHz

Check before use

  • Thermal management for high-duty cycle operation

Key specifications

Channels
7
Max Voltage
50 V
Max Current
500 mA/ch

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Relay DriversStepper Motors

Datasheet

c2278a2195f0d6789ae7c50c11c3dcae.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ULN2003A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a monolithic high-voltage, high-current Darlington transistor array containing seven independent NPN Darlington pairs with common emitters and open-collector outputs.