87063-019

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TVS - Varistors, MOVs are an essential part of the overall power system, as they provide the necessary protection against the damaging effects of surges or lightning strikes. The 87063-019 Varistor is specially designed for engineers to protect the system from surge or lighting strikes. This device is a highly reliable component that helps to prevent system damage caused by extreme voltage spikes.

Working Principle

The 87063-019 Varistor is a three-terminal device, with anode, cathode, and gate terminals. The gate terminal is the main control for the device, allowing for regulation of the surge protection characteristic, and current handling capability. In operation, the anode terminal is held at a specific voltage. When a surge or lightning strike occurs, the gate terminal senses it, and the cathode is immersed in higher potential. This creates an inrush current that instantly “clamps” the surge below the anode voltage. In its resting state, the device passes very low levels of current.

Application Field

The 87063-019 Varistor is commonly used in various power related applications, particularly in high-voltage systems. Examples include surge protection in automotive systems, lightning protection in telecom infrastructure, and spike protection in power supply systems. This device is also ideal for applications where a low profile, maximum protection is needed, such as in medical equipment, solar panels, and unmanned aerial vehicles.

Varistors, or MOVs, can also be used in communications networks, such as Ethernet or token ring. Their ability to provide protection from voltage spikes and electromagnetic interference helps to assure high quality performance.

The 87063-019 Varistor is a great choice for power systems and communications due to its very high surge handling capability, and low profile design. This device also has the added advantages of very low power consumption, long service life, and excellent humidity resistance. It is an ideal choice for power and communications system protection.

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