A1121ELHLX-T - Allegro MicroSystems

Manufacturer Part Number

A1121ELHLX-T

Manufacturer

Allegro MicroSystems

Introduction

Magnetic sensor switch with Hall effect technology

Designed for automotive and industrial applications

Product Features and Performance

Operates on a wide supply voltage range of 3V to 24V

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

Unipolar switch function with south pole activation

Sensing range of 13.5mT trip and 4mT release

Maximum supply current of 4mA and output current of 25mA

Product Advantages

Robust and reliable performance

Compact surface mount package (SOT-23W)

RoHS3 compliant

Key Technical Parameters

Supply voltage: 3V to 24V

Operating temperature: -40°C to 85°C

Sensing range: 13.5mT trip, 4mT release

Output type: Open drain

Supply current (max): 4mA

Output current (max): 25mA

Quality and Safety Features

Complies with RoHS3 directive

Designed and tested to meet AEC-Q100 automotive standards

Compatibility

Suitable for a wide range of automotive and industrial applications

Application Areas

Automotive systems (e.g., position sensing, speed detection)

Industrial automation and control systems

Home appliances and consumer electronics

Product Lifecycle

Current product, no known discontinuation plans

Replacements and upgrades available from the manufacturer

Key Reasons to Choose This Product

Robust and reliable performance in harsh environments

Wide operating voltage and temperature range

Compact and space-saving surface mount package

RoHS3 compliance for environmental responsibility

Automotive-grade quality and safety features