High Surge ZnO Oxide Varistor

- Sep 28, 2017 -

Generally speaking, varistor often with protected devices or devices in parallel use, under normal circumstances, varistor at both ends of the DC or AC voltage should be lower than the nominal voltage, even in the case of power fluctuations, should not be higher than the choice of rated maximum continuous working voltage, The nominal voltage value corresponding to the maximum continuous working voltage value is the chosen value. For over-voltage protection applications, pressure-sensitive voltage value should be greater than the actual circuit voltage value, the general should be used to choose: VMA=AV/BC: A for the circuit voltage fluctuation coefficient.                                

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