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ULN2804A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ULN2804A product

ULN2804A

Transistors - Bipolar (BJT) - Arrays

Darlington DriverSink Driver8-Channel

The ULN2804A is an 8-channel Darlington sink driver designed for high-voltage, high-current applications, specifically compatible with 6-15V PMOS and CMOS logic levels.

Best for

  • Relay driving
  • LED displays
  • Inductive load switching

Avoid if

  • Low-voltage TTL logic (use ULN2803 instead)

Check before use

  • Thermal dissipation limits
  • Input voltage levels

Key specifications

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

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial ControlConsumer Electronics

Datasheet

ULN2804A-STMicroelectronics-datasheet-14132956.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ULN2804A: 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 8-channel Darlington sink driver IC capable of handling up to 500mA per channel and 50V output voltage.