ROV20E201K

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A Transorb (Transient Voltage Suppressor), otherwise referred to as a Varistor, MOV (Metal Oxide Varistor), or ROV (Radial on Variety Suppressor), is an electrical component that helps protect a circuit by limiting the amount of surge current it can pass. The ROV20E201K is an example of this component, and its applications and working principle are beneficial in understanding surge protection circuits.

Varistors are typically found in consumer electronics such as home appliances, automotive electronics, and computers. They function by clamping the voltage at a certain level. This allows them to protect the circuit from overvoltage and to limit the amount of current that can flow through the circuit. The ROV20E201K has a relatively low maximum operating voltage of 20 volts and a relatively large amount of capacitance for a varistor of its size, meaning it can provide greater protection from overvoltages.

The ROV20E201K is a radial leaded varistor that provides the most efficient and effective protection from transients and surges. It provides a much lower breakdown voltage than standard polymeric versions, ensuring greater protection against unexpected, overvoltage surges. It also has a fast response time, making it ideal for use in automotive electronics, appliance controllers, radio receivers, and power supplies.

The working principle of the ROV20E201K is based on the capacitance-multiplier effect of its zinc oxide-based material. When the varistor is exposed to an overvoltage, it immediately responds by allowing current to flow from the source to ground. This effectively cancels out the overvoltage, limiting the amount of current that can pass through the circuit and protecting the circuit from further damage.

The ROV20E201K is commonly used in a range of applications. It is ideal for use in AC line filtering, voltage dropping, overvoltage protection, and lightning protection. It can also be used in applications where a high surge current is encountered such as DC-DC converters, motors, and pulse-type applications.

In summary, the ROV20E201K is an effective tool for protecting circuits from dangerous voltage surges. Its capacitance-multiplier effect and fast response time provide efficient protection for a variety of applications. From automotive electronics to AC line filtering and overvoltage protection, the ROV20E201K can provide reliable, cost-effective protection against surge current.

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