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A3144EU from ALLEGRO

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A3144EU

Manufacturer: ALLEGRO

SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION

Partnumber Manufacturer Quantity Availability
A3144EU ALLEGRO 10000 In Stock

Description and Introduction

SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION Part A3144EU is a Hall-effect sensor manufactured by Allegro MicroSystems. It is designed for use in automotive and industrial applications, particularly for sensing the position of a rotating target, such as a gear tooth or ring magnet. Below are the key specifications of the A3144EU:

- **Type**: Hall-effect sensor
- **Output Type**: Digital (open-drain)
- **Operating Voltage**: 4.5V to 24V
- **Operating Temperature Range**: -40°C to 150°C
- **Output Current**: 25mA (maximum)
- **Magnetic Sensitivity**: Typically 30G (Gauss) for south pole and -30G for north pole
- **Package**: SOT-23W (3-pin surface-mount package)
- **Switching Frequency**: Up to 30kHz
- **Reverse Battery Protection**: Yes
- **Output Polarity**: South pole (positive magnetic field) turns the output on, north pole (negative magnetic field) turns the output off
- **Applications**: Speed sensing, position sensing, and proximity detection in automotive and industrial environments

This sensor is robust and designed to operate reliably in harsh environments, making it suitable for automotive applications such as wheel speed sensing, transmission speed sensing, and other position-sensing tasks.

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