Lightning Protection Metal Oxide Varistor

- Sep 28, 2017 -

For example: Our home color TV's power circuit in the use of zinc oxide varistor, the pressure-sensitive resistor used here is 470V, when the maximum value of the transient surge voltage (the value is not valid) exceeds 470V, the varistor is to reflect his clamping characteristics, the excessive voltage to pull down, Let the back-level circuit work in a safe range. In the use of varistor between the power line and the Earth, sometimes due to the grounding of the wire and the voltage between the ground, so the use of more than line and line between the higher nominal voltage varistor. The surge current absorbed by the Varistor should be less than the maximum flux of the product.                                

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