ULQ2803A - STMicroelectronics

Manufacturer Part Number

ULQ2803A

Manufacturer

STMicroelectronics

Introduction

The ULQ2803A is a discrete semiconductor product, specifically an 8-channel NPN Darlington transistor array.

Product Features and Performance

8 high-voltage, high-current NPN Darlington transistors in a single package

Capable of switching high voltages up to 50V

Can handle high currents up to 500mA per channel

Low collector-emitter saturation voltage of 1.6V @ 500mA, 350mA

High DC current gain of 1000 @ 350mA, 2V

Product Advantages

Compact and space-saving 18-DIP package

Suitable for high-voltage, high-current switching applications

Integrates multiple transistors in a single device, simplifying circuit design

Robust thermal and overcurrent protection

Key Technical Parameters

Operating temperature range: -40°C to 105°C

Maximum power dissipation: 2.25W

Collector-emitter breakdown voltage: 50V

Collector current (max): 500mA

Quality and Safety Features

RoHS3 compliant

Protects against thermal overload and overcurrent

Compatibility

The ULQ2803A is compatible with a wide range of electronic systems and circuits that require high-voltage, high-current switching.

Application Areas

Motor control

Solenoid drivers

Relay drivers

Industrial automation

Automotive electronics

Product Lifecycle

The ULQ2803A is an actively supported product by STMicroelectronics and is not nearing discontinuation. Replacement or upgraded products may be available in the future.

Key Reasons to Choose This Product

Compact and space-saving 18-DIP package

Ability to handle high voltages up to 50V and high currents up to 500mA

Low collector-emitter saturation voltage for efficient switching

High DC current gain for improved drive capability

Integrated thermal and overcurrent protection for reliability

RoHS3 compliance for environmental friendliness

Compatibility with a wide range of high-voltage, high-current applications