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ULN2003AU AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2003AU product

ULN2003AU

Up to 2 Amps

Darlington Array50V7-Channel

The ULN2003AU is a 7-channel Darlington transistor array designed for high-voltage, high-current switching applications like relay and lamp drivers.

Best for

  • Relay driving
  • Inductive load switching
  • LED display driving

Avoid if

  • High-frequency switching applications

Check before use

  • Maximum power dissipation limits

Key specifications

Channels
7
Max VCE
50 V
Max IC
500 mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Relay DriversIndustrial Control

CAD Models

Download ECAD models for ULN2003AU: 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
Verified KiCad 8 symbol, footprint, and 3D model
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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 Darlington transistor array containing seven NPN pairs, capable of switching up to 50V and 500mA per channel.