- Sep 28, 2017 -
"Varistor" is a kind of resistor device with nonlinear voltammetric characteristics, which is mainly used for voltage clamp when the circuit is subjected to over-voltage, and absorbs excess current to protect the sensitive device. The English name is "voltage-dependent resistor", abbreviated as "VDR" or "pressure sensitive". Varistor resistor material is a semiconductor, so it is a variety of semiconductor resistors now used in large quantities of "zinc oxide" (ZnO) Varistor, its main materials are two elements zinc (zinc) and six valence element oxygen (O) composition.
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