V82ZS20PX1347

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V82ZS20PX1347 application field and working principle

TVS - Varistors, MOVs are widely used in consumer electronics, industrial, automotive and telecom applications for surge protection. This article focuses specifically on the V82ZS20PX1347 varistor manufactured by Pulse Electronics. The application field and the working principle of this particular device will be covered below.

Application Field of V82ZS20PX1347

The V82ZS20PX1347 varistor is mainly used for protection of data and telecommunications systems from power surges caused by lightning and overvoltage events. Additionally, the device can be used in automotive and industrial designs for surge protection. The device is particularly suitable for automotive and general purpose use due to its high surge current capability.

Working Principle of V82ZS20PX1347

The V82ZS20PX1347 is designed to provide high-level surge protection for data and telecom systems. It is an active device that works by diverting the excess power surge current away from the protected system. The device works by using a particular type of diode known as a Zener diode which consists of two layers of semiconductor material. When the voltage across the diode exceeds the breakdown voltage of the diode, the two layers of the diode break down and create an avalanche-type breakdown effect. This causes a current path through the diode, thus diverting the excessive current away from the protected system.

The varistor also contains a number of resistors connected in parallel to the Zener diode. These resistors are used to reduce the excess voltage and to provide protection from overvoltage events. Additionally, they also act as a filter, suppressing any high-frequency transients.

In addition to Zener diodes and resistors, the V82ZS20PX1347 varistor also contains a metal oxide varistor (MOV). This MOV acts as a variable resistor, regulating the amount of current that passes through the device. The MOV will respond to changes in current and voltage and will automatically adjust to provide the optimal level of protection. In the event of an over-voltage or power surge, the MOV will quickly engage and direct the excess current away from the protected system.

Conclusion

In conclusion, the V82ZS20PX1347 varistor is a highly reliable device, designed to provide effective surge protection for data and telecommunications systems and suitable for both industrial and automotive applications. The device uses a combination of Zener diodes, resistors, and an MOV in order to divert excess current away from the system, while also providing protection against overvoltage events. All these components work together to provide the user with a reliable and effective surge protection device.

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