20D Metal MOV Electronic Part Oxide Varistors Stable For Inverter

MOV-20D Metal Oxide Varistor Wide Voltage Range Various Diameter Size Options
 

Before choosing a varistor, you should first understand the following related technical parameters: The nominal voltage refers to the voltage value at both ends of the varistor under the specified temperature and DC current [1]. Leakage current refers to the current value flowing through the varistor when the maximum continuous DC voltage is applied at 25°C. The level voltage refers to the peak value of the voltage presented at both ends of the varistor when the 8/20 level current pulse passes through it [1]. The flow rate is the peak current [1] when a specified pulse current (8/20μs) waveform is applied. Surge environment parameters include maximum surge current Ipm (or maximum surge voltage Vpm and surge source impedance Zo), surge pulse width Tt, minimum time interval Tm between two adjacent surges, and predetermined During the working life, the total number of surge pulses N, etc.

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Application

1. Varistor voltage: refers to the voltage value across the varistor at a specified temperature and DC (generally 1mA or 0.1mA). Recorded as V1mA or V0.1mAo
2. Maximum continuous voltage: refers to the maximum effective value of sinusoidal AC voltage or the maximum DC voltage value that can be continuously applied to both ends of the varistor for a long time under the specified ambient temperature
3. Limiting voltage: refers to the maximum peak voltage at both ends of the varistor when a specified surge current (8,20μs) passes through it.
4. Rated power: refers to the maximum average impact power that can be applied to the varistor under the specified ambient temperature.
5. Maximum energy: the maximum impact energy that can be applied to the varistor under the condition that the varistor voltage does not change more than ±10% and the impulse current waveform is 10, 1000μs or 2ms.
6. Current capacity (maximum inrush current)