V180ZA20P Circuit Protection

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TVS – Varistors, MOVs

The V180ZA20P is a type of varistor, commonly known as a Metal-Oxide Varistor. Varistors are voltage-controlled nonlinear resistors, also known as transient voltage suppressors. This type of device is specifically designed to provide protection for other electrical components from high-voltage transients or other vibration-related surges.

Application Field

The V180ZA20P is a type of varistor that is used in surge protection applications, such as circuit boards and other electrical equipment, where it is necessary to protect against high-voltage spikes. It is often used on busbar systems, lightning protection circuits, and other high-voltage electrical systems. It can also be used in combination with other protection devices, such as MOVs, to provide increased protection.

Working Principle

Varistors or MOVs are nonlinear resistors and their characteristics can be described as a voltage-dependent resistor. The V180ZA20P utilizes a semiconductor material, such as zinc oxide, as the basis for its electrical function. When exposed to an electrical surge or voltage-related event, the material in the varistor changes its electrical characteristics and thus provides the necessary protection for the device or circuit. The zinc oxide material has a concentration and thickness that are specifically designed to provide the necessary protection.

The device is designed to absorb the electrical energy that is present during a surge and then dissipate that energy as heat. This process prevents the electrical surge from damaging the associated components or equipment. It also serves to protect the device or equipment from being damaged from other sources, such as electrical grids or lightning strikes.

The V180ZA20P is designed to have a maximum sustained voltage rating of 180 volts. This rating means that the device will remain functional and provide maximum protection to the circuit or equipment up to this voltage. If the voltage exceeds this level, then the device will be damaged and must be replaced.

Conclusion

The V180ZA20P is a type of varistor that provides surge protection for electrical equipment or circuits. It utilizes a zinc oxide material that become less resistant when exposed to a voltage-related event, such as a lightning strike or electrical grid surge. The device is designed to absorb and dissipate the surge energy as heat and protect the associated components or equipment. It is rated to provide protection for up to 180 volts of sustained voltage and should be replaced if this level is exceeded.

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