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ULN2803 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2803 product

ULN2803

Component

Darlington ArrayDriver ICHigh Current

The ULN2803 is a versatile 8-channel Darlington transistor array designed for high-current, high-voltage switching applications.

Best for

  • Relay driving
  • Stepper motor control
  • LED matrix driving

Avoid if

  • High-frequency switching applications (due to Darlington switching speeds)

Check before use

  • Thermal dissipation requirements at high current

Key specifications

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

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Motor ControlIndustrial Automation

Datasheet

44a3701a18dbd27a3a6c23a6888c78c1_2309150924_GR-ULN2803_C18164409.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ULN2803: 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

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 an integrated circuit containing eight independent NPN Darlington transistor pairs, capable of driving high-current loads from low-voltage logic signals.