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ULN2803AS AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2803AS product

ULN2803AS

Component

Darlington ArrayDriver IC

The ULN2803AS is an 8-channel Darlington transistor array designed to drive high-current loads from low-voltage digital logic.

Best for

  • Relay driving
  • Lamp driving
  • Industrial automation

Avoid if

  • High-frequency switching applications
  • Loads exceeding 500mA

Check before use

  • Thermal dissipation at high currents

Key specifications

Output Voltage
50 V
Collector Current
500 mA
Channels
8

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial ControlRelay Drivers

CAD Models

Download ECAD models for ULN2803AS: 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 octal NPN Darlington transistor array used to interface low-level digital logic with high-voltage, high-current loads.