A3425ELTR-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Bipolar Switch
Technology:	Hall Effect
Polarization:	South Pole
Sensing Range:	3mT Trip, -3mT Release
Test Condition:	-40°C ~ 85°C
Voltage - Supply:	3.3 V ~ 18 V
Current - Supply (Max):	6mA
Current - Output (Max):	20mA
Output Type:	Open Drain
Features:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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Introduction:

A3425ELTR-T magnetic sensors and switches are a type of solid state sensors or transducers used to detect and measure the presence of a magnetic field. They are a widely used type of sensing and switching device, mostly found in automobiles, consumer electronics and industrial automation. They are also known as magnetic reed switches, as they consist of a pair of reed contacts enclosed in a glass envelope, surrounded by a magnetic field. The purpose of using a magnetic sensor is to provide a highly sensitive and reliable detection and measurement capability, without the need for mechanical contact with the environment.

Basic working principle:

The working principle of A3425ELTR-T magnetic sensors is based on the Faraday’s law of induction. The reed switch is a form of contact switch that responds to a magnetic field, and the contacts are opened or closed when a certain level of field strength is reached. When a magnetic field is applied to the coil surrounding the switch, any given level of current can be induced in the coil, which in turn will cause the reed contacts to open or close.

Applications:

A3425ELTR-T magnetic sensors and switches are used in many different applications, due to their versatile range of features. Common applications include automotive and consumer electronics, industrial automation, security systems, door-locks and alarm systems. In the automotive industry, A3425ELTR-T magnetic sensors are often used for Engine Control Unit (ECU) diagnostics, anti-theft systems, remote door locks, and door contact sensors. The main purpose is to provide reliable detection and measurement of a magnetic field, and it is often used in conjunction with ignition and automotive security systems. In consumer electronics, A3425ELTR-T magnetic sensors are used mainly in motion sensors. They are used to detect the motion of a user, which is then used for controlling the device. Typical applications include cameras, gaming consoles, and other multimedia systems. In industrial automation applications, the most widely used magnetic sensors are proximity switches and linear actuators. Proximity switches are used for detecting the presence of an object, while linear actuators are used to control the speed and direction of a motor. A3425ELTR-T magnetic sensors are also used in automated package handling systems, where they are used to detect the presence of shipping containers.

Conclusion:

A3425ELTR-T magnetic sensors and switches are a reliable, highly sensitive type of sensing and switching device. They are widely used in the automotive, consumer electronics and industrial automation industries, as they provide reliable detection and measurement of a magnetic field. Their versatility and range of features makes them a popular choice for many different applications.

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