ROV07H390K-S-2

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The ROV07H390K-S-2 is a varistor, an electronic component used to protect DC systems or AC systems from overvoltage transients. It is part of a family of devices known as transient voltage suppressors (TVS) that, when used in conjunction with appropriate circuit analysis methods, provide a significant level of protection to electronic components from transient voltage surges.

The ROV07H390K-S-2 is a radial leaded multi-layer varistor with a maximum clamping voltage of 390 volts. It can handle operating currents up to 5 amps. The device is manufactured with a combination of a zinc oxide (ZnO) multi-layer ceramic stack and a solid epoxy shell. The ZnO ceramic stack is used to absorb the energy of an overvoltage transient, limiting the resulting voltage to a safe level. A solid epoxy shell protects the varistor from environmental conditions such as vibration, shock, humidity, and temperature.

The basic principle of operation for the ROV07H390K-S-2 is based on the property of semiconductors known as the "voltage regulator effect." That is, when a semiconductor material is placed between two terminals of an electric circuit, the total current flowing through the material is limited to a certain level. This property of semiconductors is used in the production of varistors, such as the ROV07H390K-S-2, to control the flow of current between terminals and prevent damage to sensitive circuit components.

The ROV07H390K-S-2 is typically used in electronics and electrical systems to protect against transient overvoltages such as lightning strikes and power surges. It can also be used as an electrical safety device to protect person from electric shocks. Applications for the device include automotive, consumer, industrial, and medical electronics, as well as any other application where protection from electrical transients is required.

When correctly installed into a system, the ROV07H390K-S-2 offers reliable and dependable protection from electrical transients. Proper installation techniques should always be followed and the device should be properly selected based on its application requirements. The ROV07H390K-S-2 is a cost effective solution for transient voltage surge protection and is widely used in today\'s electronic systems.

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