A1220EUA-T - Allegro MicroSystems

Manufacturer Part Number

A1220EUA-T

Manufacturer

Allegro MicroSystems

Introduction

Allegro A1220EUA-T is a Hall-effect switch with a South pole sensitive latch function.

Product Features and Performance

Operates on a supply voltage of 3V to 24V

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

Sensing range of 4mT (Trip) and -4mT (Release)

Hall-effect technology for magnetic sensing

Open drain output with maximum current of 25mA

Low supply current of maximum 4mA

Product Advantages

Robust design for automotive and industrial applications

Reliable performance over wide temperature range

Precise magnetic triggering points

Simple through-hole mounting

Key Technical Parameters

Supply voltage: 3V to 24V

Operating temperature: -40°C to 85°C

Sensing range: 4mT (Trip), -4mT (Release)

Output type: Open drain

Maximum supply current: 4mA

Maximum output current: 25mA

Quality and Safety Features

RoHS3 compliant

AEC-Q100 qualified for automotive applications

Compatibility

Suitable for a variety of magnetic sensing applications

Application Areas

Automotive systems (e.g., transmission, power steering)

Industrial automation and control

White goods and appliances

General purpose magnetic sensing

Product Lifecycle

This product is currently in active production and widely available.

Replacement or upgrade options may be available from Allegro MicroSystems.

Key Reasons to Choose This Product

Reliable and robust design for demanding applications

Wide operating temperature range for versatile use

Precise magnetic sensing with configurable switching points

Simple through-hole mounting for easy integration

Compliance with automotive and industrial quality standards