V571HA32

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V571HA32 is part of the TVS - Varistors, MOVs family. TVS (Transient Voltage Suppression) diodes, Varistors, and MOVs (Metal Oxide Varistors) are components designed to protect circuit boards from overvoltage, transients, and surges. V571HA32 devices are best known for their ability to absorb surges and transients without damaging the connected circuit board.

The V571HA32 is an unidirectional (VDR) device designed for AC power line application. It is available in voltage ratings from 600V up to 1600V. It also provides high reliability for surge capability and has very low capacitance, making it ideal for applications such as AC power line surge protection, DC input transient protection, DC output transient protection, and transient bus protection.

The construction of the V571HA32 includes an aluminium oxide/silicon-coated glass substrate, which encases a varistor element. The varistor element is made from zinc oxide and it forms the heart of the device. It acts like a voltage-dependent resistor and is the component responsible for the surge protection function of the V571HA32.

A typical application for the V571HA32 is in AC power line surge protection. In this application, the V571HA32 is connected across the AC line and limits the surge voltage to a safe level. When a surge is present, the varistor element acts as a short circuit, absorbing the surge energy and limiting the voltage. In other applications, the device can be used to protect the circuit from transients or to filter noise out of the circuit.

The working principle of the V571HA32 is based on its varistor element. A current flows through the element when a certain voltage is applied to it. This voltage is known as the “clamp voltage” and is also known as the “breakdown voltage”. When the voltage applied to the element exceeds this value, the device conducts current and the energy associated with the surge or transient is absorbed by the device.

The V571HA32 is a widely used device for AC power line surge protection and transient filtering applications. Its high reliability and low capacitance make it ideal for a wide range of power supply applications as well as other applications such as lightning protection. The device is capable of absorbing a wide range of surge and transient energies without damage, making it an excellent choice for surge and transient protection.

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