A1143LLHLT

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Unipolar Switch
Technology:	Hall Effect
Polarization:	South Pole
Sensing Range:	11mT Trip, 4.5mT Release
Test Condition:	-40°C ~ 150°C
Voltage - Supply:	3.5 V ~ 24 V
Current - Supply (Max):	17mA
Current - Output (Max):	--
Output Type:	Current Source
Features:	--
Operating Temperature:	-40°C ~ 150°C (TA)
Package / Case:	SOT-23W
Supplier Device Package:	SOT-23W

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Introduction

A1143LLHLT is a type of magnetic sensor switch (referred as “magnetic switch”). It is designed to detect the presence or absence of magnetic fields. A1143LLHLT is a solid state magnetic switch that utilizes a series circuit to detect the presence or absence of a magnetic field. It is commonly used in a variety of applications, such as motor control, security systems, access control systems, and industrial automation. This article will provide an overview of the application field and working principle of A1143LLHLT magnetic switch.

Application Field

A1143LLHLT magnetic switch is used for various applications such as security systems, access control systems, motor control, and industrial automation. This type of switch is particularly useful in motor control and access control systems, as it can detect when a motor is activated or when an access control system has been triggered.For security systems, an A1143LLHLT magnetic switch can detect the presence of an intruder or a potential security risk, allowing for a quicker response time when compared to other types of security systems. It can also be used to monitor the activity of a person, object, or location.In industrial automation, A1143LLHLT magnetic switch can be used to detect the presence of objects, detect the movement of objects, and control the speed and direction of motors. In addition, it can be used to detect working conditions, process control, and assembly line control.

Working Principle

A1143LLHLT magnetic switch operates on the principle of a series of electronic components connected in series. A1143LLHLT contains a planar magnet, an electrical contact, and a housing with a conductive wire. The magnetic field is generated by the magnet, which is detected by the responsive contact. The change in the magnetic field causes a current to flow through the conductive wire and the circuit is completed, resulting in a voltage output.The voltage output of the A1143LLHLT magnetic switch increases or decreases, depending on the strength of the magnetic field. In applications where the presence or absence of a magnetic field needs to be detected, the magnetic switch is used to provide a signal when the field is present, and then reset when the field is absent.

Conclusion

The A1143LLHLT magnetic switch is a versatile and reliable solution for detecting the presence or absence of a magnetic field. It is commonly used in motor control, security systems, access control systems, and industrial automation. The working principle of the magnetic switch is based on a series circuit, which is triggered by changes in the magnetic field. With its versatility and reliability, the A1143LLHLT magnetic switch is a very useful tool for various applications.

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