A3425EK-T

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Magnetic sensors, switches or reed switches in particular, are common electronics components with a wide array of practical applications. The A3425EK-T is a reed switch solid state magnetic sensor typically used for sensing the presence or absence of an external magnet field. It offers a wide operating voltage from 3.0 to 24 volts and requires low power to function. In comparison to traditional electromechanical switches, solid state reed switches are more reliable, have a longer life span, and can detect magnetic fields inside a range of 0.1 to 0.7 Tesla.

The A3425EK-T has a variety of applications, such as industrial automation, door security monitoring, and motor stator applications. In motor stator applications, the sensor is used to detect the presence of a rotor within the stator in order to ensure proper motor operation. Additionally, these sensors can be used in consumer electronics, such as cell phones, tablets, and laptops, in order to indicate when a user is interacting with the device using a stylus.

This magnetic sensor is comprised of two components: the reed switch and the ground reference terminal. The reed switch is a hermetically sealed glass tube with two contacts inside. When a magnetic field is brought near the reed switch, the two contacts are attracted to each other, forming an electrical connection. This connection is broken as soon as the external magnet field is removed. The ground reference terminal provides a low-impedance path to ground, allowing the reed switch to function without a separate ground connection.

In operation, when an external magnet field is brought near the sensor, the reed switch will be activated and the sensor will output a signal based on its configuration. The sensor can be configured to output an AC (alternating) or DC (direct current) signal. The voltage range and peak current of these signals can also be configured to suit the specific needs of the application. Additionally, the sensor is capable of operating at a wide range of temperatures, from -55°C to 125°C.

The A3425EK-T is a versatile and reliable magnetic sensor designed to detect the presence or absence of an external magnetic field. It is often used in motor stator applications, as well as other industrial automation and consumer electronics applications. The sensor is comprised of two components: the reed switch and the ground reference terminal. The reed switch is activated when its contacts are attracted to each other due to the presence of an external magnetic field. The sensor can be configured to output either an AC or DC signal, and its operating temperature range is -55°C to 125°C.

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