V82ZC12PX2855

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V82ZC12PX2855 Application Field and Working Principle

TVS or transient voltage suppressors (aka varistors, MOVs) are used for protecting electronic devices and circuits against electrical overvoltage. TVS can provide a quick response in the event of a transient overvoltage, thus protecting a device from any damage caused. The V82ZC12PX2855 is an example of a metal oxide varistor (MOV) which can respond to a wide range of overvoltage conditions, from 400V to 890V.

MOVs, such as the V82ZC12PX2855, are unique semiconductor devices that take advantage of nonlinearities in their energy band structures to provide overvoltage protection. These devices are effectively made up of a non-linear resistor, or resistor network, which is designed to limit current when the voltage across its terminals exceeds its pre-set voltage level.

The key manufacturers of the V82ZC12PX2855 are STMicroelectronics, Infineon Technologies, NXP, Vishay, ON Semiconductor, ABB, and Panasonic. This varistor series is ideal for overcurrent and overvoltage protection applications in the consumer electronics, lighting, automotive, industrial and medical industries. In consumer electronics, the MOVs can be used to protect against surges caused by lightning strike, or power surges in the home.

Due to their wide operating range and ability to take advantage of non-linear resistors, MOVs such as the V82ZC12PX2855 are highly reliable and effective in protecting connected devices from electrical overvoltage. These varistors provide protection by quickly diverting current away from any device connected to the varistor. They do this by acting as alternate current paths and limiting the rise in voltage abruptly.

The working principles behind the V82ZC12PX2855 can be summarized into a few steps. First, an MOV has a pre-set voltage level which is usually based on its operating voltage level. When a high voltage that exceeds the pre-set level is applied to the device, electrons within the MOV are released in the process called avalanche breakdown. These electrons then stream along the path of least resistance, enabling the current to be redirected away from the connected device and thus protecting it.

The V82ZC12PX2855 also has other features that make it an attractive solution for many different applications. It has a high peak pulse current rating, meaning that it can withstand up to 12kA (8/20µs) without suffering any damage. It also offers low residual voltage, which is a measure of how much energy is remaining after the initial breakdown. This feature is important to reduce the risks associated with secondary effects of high voltage surges on nearby components.

In conclusion, the V82ZC12PX2855 is an effective, reliable metal oxide varistor that offers overvoltage protection for a wide range of applications in the consumer electronics, lighting, automotive, industrial and medical industries. Its working principle is simple and straightforward, providing an alternate current path for overvoltage so as to protect any device connected to the varistor from damage. Furthermore, it has a high peak pulse current rating, offering further protection from high voltage surges.

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