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How to use varistor correctly

Views: 0     Author: Site Editor     Publish Time: 2019-05-22      Origin: Site

Varistors are already indispensable electronic components in life. They are mainly used to clamp voltage when the circuit is under overvoltage, and absorb excess current to protect sensitive devices.

 

A varistor is a component with transient voltage suppression that can be used in place of a combination of a transient suppression diode, a Zener diode, and a capacitor to protect the circuit from electrostatic discharges, surges, and other transient overcurrents. The power circuit is damaged.

 

When the varistor is used in parallel in the power supply circuit, if the overvoltage across the resistor changes abruptly, the short circuit of the resistor will blow the fuse in the circuit, thereby protecting other electronic components and circuits. If a varistor cannot meet the requirements of overcurrent, a plurality of varistors should be used in parallel. When selecting a shunt varistor, select the resistors with the same parameters for pairing to ensure uniform distribution of overcurrent.

 

Proper use can protect the service life of the product. Of course, when purchasing the varistor, it is inseparable from its quality. Therefore, everyone should choose a regular manufacturer when purchasing, and the pre-sales and after-sales service is guaranteed. If you have technical questions, please contact us and try to solve the problem for you. Sample testing is available free of charge, and the physical factory is looking forward to your visit!


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