A1250LLHLX-T - Allegro MicroSystems

Manufacturer Part Number

A1250LLHLX-T

Manufacturer

Allegro MicroSystems

Introduction

This is a Hall-effect bipolar switch from Allegro MicroSystems, designed for automotive and industrial applications.

Product Features and Performance

Operates on 3V to 24V supply voltage

Wide temperature range of -40°C to 150°C

Open-drain output with 60mA max current

Bipolar switching function, triggered by north or south pole

Sensing range of ±2.5mT for trip and release

Product Advantages

Robust design for harsh environments

Compact surface-mount SOT-23W package

Compliant with RoHS3 directive

Automotive-grade AEC-Q100 qualified

Key Technical Parameters

Supply current: Max 4mA

Magnetic polarization: North pole, south pole

Output type: Open-drain

Quality and Safety Features

RoHS3 compliant

Packaged in tape and reel for automated assembly

Compatibility

Suitable for a wide range of automotive, industrial, and consumer applications that require magnetic sensing and switching.

Application Areas

Automotive systems (e.g., transmission, engine, suspension)

Industrial machinery (e.g., motors, valves, position sensing)

Consumer electronics (e.g., lid/door detection, proximity sensing)

Product Lifecycle

This product is an active, in-production part from Allegro MicroSystems. No known discontinuation or replacement plans.

Key Reasons to Choose This Product

Robust, automotive-grade design for harsh environments

Wide operating temperature range of -40°C to 150°C

Flexible 3V to 24V supply voltage

Compact, surface-mount SOT-23W package

RoHS3 compliance for environmental regulations

Automotive-qualified AEC-Q100 for reliable performance