ULN2803A - UMW

Manufacturer Part Number

ULN2803A

Manufacturer

UMW

Introduction

The ULN2803A is a high-voltage, high-current Darlington transistor array. It consists of eight NPN Darlington-connected transistors, each with a clamp diode for switching inductive loads.

Product Features and Performance

8 NPN Darlington-connected transistors

Each transistor can handle up to 500 mA

High-voltage capability (up to 50V)

Common-cathode configuration

Inputs compatible with various types of logic

Voltage clamping for inductive loads

Suitable for relay, lamp, and hammer driver applications

Product Advantages

High-current and high-voltage handling capabilities

Integrated clamp diodes for inductive load switching

Ease of use with various logic levels

Reliable and robust performance

Key Technical Parameters

Manufacturer Part Number: ULN2803A

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

Operating Temperature: -40°C ~ 150°C (TJ)

Collector Current (Ic) (Max): 500 mA

Collector-Emitter Saturation Voltage (Vce Sat) (Max): 1.6 V @ 500 mA, 350 mA

Collector Cutoff Current (Max): 20 A

Quality and Safety Features

RoHS3 compliant

Reliable and durable construction

Compatibility

The ULN2803A is compatible with various logic circuits and can be used in a wide range of applications.

Application Areas

Relay and solenoid driving

Lamp and LED driving

Hammer driver applications

Stepper motor control

Product Lifecycle

The ULN2803A is an active and widely used product. There are no indications of it being discontinued or replaced in the near future.

Key Reasons to Choose the ULN2803A

High-current and high-voltage handling capabilities, making it suitable for a variety of inductive load applications.

Integrated clamp diodes for safe and efficient switching of inductive loads, simplifying circuit design.

Compatibility with various logic levels, providing flexibility in integration with different systems.

Reliable and robust performance, ensuring long-term reliability in demanding applications.

RoHS3 compliance, addressing environmental concerns and regulatory requirements.