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ULN2003AD AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2003AD product

ULN2003AD

Transistors - Bipolar (BJT) - Arrays

Darlington ArrayTransistor Array50V500mA

The ULN2003AD is a 7-channel Darlington transistor array designed for high-current, high-voltage switching of inductive loads like relays and motors.

Best for

  • Inductive load switching
  • Relay driving
  • Stepper motor control

Avoid if

  • High-frequency switching applications
  • Applications requiring low saturation voltage

Check before use

  • Thermal dissipation limits
  • Input logic voltage levels

Key specifications

Channels
7
Max Output Voltage
50 V
Max Collector Current
500 mA
Logic Level
5V TTL/CMOS

Compliance & Environment

RoHS
RoHS Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
-
HTSUS
-

Application

Relay DriversMotor Control

CAD Models

Download ECAD models for ULN2003AD: 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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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

It is a high-voltage, high-current Darlington transistor array containing seven NPN Darlington pairs, each capable of sinking 500mA.