A1391SEHLT-T Product Overview

Product Category

The A1391SEHLT-T belongs to the category of Hall Effect sensors.

Basic Information Overview

• Use: The A1391SEHLT-T is used for detecting the presence of a magnetic field. It is commonly used in applications such as position sensing, speed detection, and current sensing.
• Characteristics: This sensor has high sensitivity, low noise, and operates over a wide temperature range. It is designed for reliable and accurate performance in demanding environments.
• Package: The A1391SEHLT-T is available in a small surface-mount package, making it suitable for compact electronic designs.
• Essence: The essence of this sensor lies in its ability to provide precise and consistent magnetic field detection.
• Packaging/Quantity: The sensor is typically supplied in tape and reel packaging for automated assembly and is available in various quantities to suit different production needs.

Specifications

• Operating Voltage: 3.0V to 24V
• Output Type: Digital
• Operating Temperature Range: -40°C to 150°C
• Sensitivity: 20mV/Gauss
• Response Time: 5µs

Detailed Pin Configuration

The A1391SEHLT-T features a standard 3-pin configuration: 1. VCC (Power supply) 2. GND (Ground) 3. OUT (Digital output)

Functional Features

• Magnetic Field Detection: The sensor accurately detects the presence and strength of magnetic fields.
• Digital Output: It provides a digital signal based on the detected magnetic field, simplifying interfacing with microcontrollers and other digital circuits.
• Wide Operating Voltage Range: The sensor can operate over a wide voltage range, enhancing its versatility in different applications.

Advantages and Disadvantages

Advantages: - High sensitivity - Wide operating temperature range - Small form factor

Disadvantages: - Susceptible to electromagnetic interference in certain environments

Working Principles

The A1391SEHLT-T operates based on the Hall Effect, where a voltage is generated across a conductor when subjected to a magnetic field. This voltage is then processed to provide a digital output indicative of the magnetic field strength.

Detailed Application Field Plans

The A1391SEHLT-T is widely used in the following applications: - Proximity sensing in industrial equipment - Speed detection in automotive systems - Current sensing in power electronics

Detailed and Complete Alternative Models

• A1324LUA-T: Similar Hall Effect sensor with analog output
• A1362LUA-T: Hall Effect sensor with integrated temperature compensation

In conclusion, the A1391SEHLT-T Hall Effect sensor offers high-performance magnetic field detection in a compact and versatile package, making it suitable for a wide range of applications.

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