ULN2803S AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2803S product

ULN2803S

Component

Darlington ArrayDriver IC50V

The ULN2803S is an 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 exceeding the device's turn-on/off delay times.

Check before use

  • Thermal management when multiple channels are active simultaneously.

Key specifications

Channels
8
Max VCE
50V
Max IC
500mA

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Motor ControlIndustrial Automation

CAD Models

Download ECAD models for ULN2803S: 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

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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 eight independent NPN Darlington pairs, suitable for driving inductive loads like relays and motors.