ULN2803ADWR - Texas Instruments

Manufacturer Part Number

ULN2803ADWR

Manufacturer

Texas Instruments

Introduction

The ULN2803ADWR is a high-voltage, high-current Darlington transistor array. It is designed to interface between low-level logic circuitry and high-power peripheral loads.

Product Features and Performance

8 NPN Darlington transistors

Capable of driving loads up to 500mA per channel

Collector-emitter voltage up to 50V

Vce saturation voltage as low as 1.6V

Wide operating temperature range of -40°C to 85°C

Suitable for switching inductive loads like relays, solenoids, and stepper motors

Product Advantages

High-voltage and high-current handling capabilities

Low saturation voltage for efficient power conversion

Robust thermal and electrical performance

Compact 18-SOIC surface mount package

Key Technical Parameters

Manufacturer Part Number: ULN2803ADWR

Package: 18-SOIC (0.295", 7.50mm Width)

Voltage Collector Emitter Breakdown (Max): 50V

Current Collector (Ic) (Max): 500mA

Vce Saturation (Max) @ Ib, Ic: 1.6V @ 500A, 350mA

Transistor Type: 8 NPN Darlington

Mounting Type: Surface Mount

Quality and Safety Features

RoHS3 compliant

AEC-Q100 qualified for automotive applications

Compatibility

The ULN2803ADWR is compatible with a wide range of low-level logic circuitry and high-power peripheral loads.

Application Areas

Driving inductive loads like relays, solenoids, and stepper motors

Switching and driving high-power devices in industrial, automotive, and consumer electronics applications

Product Lifecycle

The ULN2803ADWR is an active and widely used product in the Texas Instruments portfolio.

Replacements and upgrades are readily available.

Key Reasons to Choose This Product

High-voltage and high-current handling capabilities

Efficient power conversion with low saturation voltage

Robust thermal and electrical performance

Compact and space-saving 18-SOIC surface mount package

Automotive-grade quality and safety features

Widespread compatibility and versatile application areas