jb JVA - Zinc Oxide Varistors

We design and manufacture high quality Zinc Oxide Varistors Series. A varistor is an electronic component with an electrical resistance that varies with the applied voltage.
Varistors currently have widespread application in protecting power and signal level electrical circuits against dangerous voltage surges. Zinc oxide varistors are electronic ceramic materials whose electrical behavior is dominated by grain-boundary interface states.

They exhibit a highly nonlinear current-voltage relation with a 5% change in voltage serving to increase the current flow an order of magnitude or more.

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