A1221LLHLX-T - Allegro MicroSystems

Manufacturer Part Number

A1221LLHLX-T

Manufacturer

Allegro MicroSystems

Introduction

Magnetic sensor with hall-effect technology

Designed for automotive and industrial applications

Product Features and Performance

Wide operating voltage range: 3V to 24V

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

Sensitive to south pole of magnetic field

Latch function

Open drain output

Product Advantages

Robust and reliable performance in harsh environments

Compact surface mount package (SOT-23W)

RoHS3 compliant

Key Technical Parameters

Supply current (max): 4mA

Output current (max): 25mA

Sensing range: 9mT trip, -9mT release

Quality and Safety Features

Automotive-grade AEC-Q100 qualified

RoHS3 compliant

Compatibility

Suitable for a wide range of automotive and industrial applications

Application Areas

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

Industrial automation and control systems

Machinery and equipment with magnetic sensing requirements

Product Lifecycle

This product is actively supported and not nearing discontinuation

Replacement or upgrade options may be available from the manufacturer

Key Reasons to Choose This Product

Reliable and robust performance in harsh environments

Wide operating voltage and temperature ranges

Compact and space-saving surface mount package

Automotive-grade quality and safety features

Suitable for a variety of automotive and industrial applications