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ULN2803AG AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2803AG product

ULN2803AG

Discrete Semiconductor Products

Darlington ArrayDriver ICRelay Driver

The ULN2803A is a robust 8-channel Darlington transistor array designed for high-current, high-voltage switching applications like relays and motors.

Best for

  • Relay driving
  • Stepper motor control
  • LED display driving

Avoid if

  • High-speed switching applications (limited by Darlington switching times)

Check before use

  • Thermal management for high-current multi-channel operation

Key specifications

Channels
8
Max Output Current
500 mA
Max Output Voltage
50 V

Compliance & Environment

RoHS
Pb-Free
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial ControlPower Switching

Datasheet

4c19276c3b7084e2043983293ae4165d.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ULN2803AG: 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 an 8-channel Darlington transistor array capable of switching up to 500mA per channel at 50V, featuring integrated flyback diodes for inductive loads.