ROV20-102K-S-2

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A varistor, also known as a voltage-dependent resistor (VDR), is a two-terminal electric component, typically a type of semiconductor resistor, with a strong nonlinear voltage-current characteristic that can be used to help protect circuits from excessively high voltage levels. When dealing with transient voltages, such as those caused by power disturbances, a varistor can help protect circuits from excessive current levels and voltage spikes. It is capable of handling high temperatures and dissipating large amounts of energy.

TVS Varistors (Threshold Voltage Suppressors) and MOVs (Metal Oxide Varistors) are two types of Varistors developed for surge protection. TVS Varistors utilize a smaller device size and provide better control of clamping levels, while MOVs offer higher voltage ratings and extensive temperature and power ratings for various applications.

The ROV20-102K-S-2 is a TVS varistor specifically designed for applications that require ultra-high performance. It is a reliable and robust varistor that provides surge voltage protection up to 6.5kV, with a peak pulse current of 40kA 8/20us. This varistor is constructed of two epoxy-encapsulated semiconductor chips, which help protect it from fire, dust, and humidity. It also has an impressive clamping voltage of 28.3V.

The ROV20-102K-S-2 is used in a wide range of applications. It is well-suited for television, telephone, industrial, power, aerospace, and automotive applications where high performance and safety are paramount. It can also be used to help protect computer systems and other sensitive electronic equipment from power surges or other voltage disturbances.

The operating principle of the ROV20-102K-S-2 is based on the fact that it has a nonlinear voltage-current characteristic. When a voltage surge is applied it drastically reduces the current, thus protecting the circuit from the high voltage levels. This reduction in current is achieved by the varistor\'s body-diode effect, which limits the current through the device to a fraction of the peak surge. The semiconductor material of the device and its ability to dissipate large amounts of energy also play a role in its surge voltage protection capability.

Overall, the ROV20-102K-S-2 TVS varistor offers high performance protection from voltage and current surges in a wide array of applications. It is a robust and reliable device with a peak pulse current rating of 40kA 8/20us and a clamping voltage of 28.3V. Its nonlinear voltage-current characteristic helps protect sensitive electronic equipment and circuits from power disturbances and other voltage-related issues. Thanks to its improved control of clamping levels, excellent temperature, and power ratings, it is an ideal choice for a variety of surge protection applications.

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