Varistor
Metal Oxide Varistors and Multi-Layered Varistors. Varistors are voltage dependent, nonlinear devices which have electrical characteristics similar to back-to- back Zener diodes. They are composed primarily of Z N O with small additions of other metal oxides such as Bismuth, Cobalt, Magnese and others. The Metal Oxide Varistor or 'MOV' is ...
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