High Surge Series Varistor

- Sep 28, 2017 -

What's the use of varistor? The biggest characteristic of Varistor is that when the voltage above it is lower than its threshold "UN", the current that flows through it is very small, equivalent to a dead valve, and when the voltage exceeds UN, its resistance becomes smaller, which causes the current to flow through it to surge while the influence on other circuits is not changed to reduce the effect of overvoltage on subsequent sensitive circuits. By using this function, it can restrain the abnormal overvoltage in the circuit and protect the circuit from the damage of voltage.

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