VDR voltage and applied voltage

VDR is one of the familiar resistors. So what is the effect of the voltage across VDR and the applied voltage?

Voltage generated across VDR:

When the varistor voltage passes the specified current, the terminal voltage generated across the VDR is also called the nominal voltage. Continuous operating voltage: AC voltage or DC voltage that can be continuously applied across the VDR within the specified temperature range. VDR to test standard waveform rated power: the high power that the varistor can consume at the specified ambient temperature. When the VDR is operating continuously, it allows for a large peak voltage applied to its terminals and any conductive mounting surface. The flow-through capacity varistor allows large pulse current values to pass through it under specified conditions.

The applied voltage of VDR:

Voltage nonlinear coefficient The voltage nonlinear coefficient is the ratio of the static resistance value to the dynamic resistance value of the VDR under a given applied voltage. The insulation resistance refers to the resistance value between the lead wire of the VDR and the insulating surface of the resistor body. Static capacitance refers to the capacitance capacity inherent in the VDR itself. The principle of using VDR is that after it is connected to the protected device, it cannot affect the normal operation of the device, and it can implement instantaneous overvoltage protection for the device.

Knowing the relevant knowledge before use can help you better use it.