ROV20H121K-2

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TVS – Varistors, MOVs are devices which are primarily used for over voltage protection. They are usually made up of metal oxide which have their resistance varying according to the applied voltage. The maximum ratings of these devices depend on various parameters, such as their voltage rating, peak pulse current rating, pulse current integral rating and leakage current rating. The ROV20H121K-2 is a special type of Varistor which is mainly used for over voltage protection applications.

One of the main applications of the ROV20H121K-2 is in the protection of circuits against ESD and overvoltage. The device is made up of a metal oxide film which is placed over an aluminum plate. This metal oxide film has a voltage dependent resistance, which is such that when the voltage exceeds a certain level, the resistance of the film decreases rapidly. This helps in protecting the circuits against overvoltage and ESD. The ROV20H121K-2 is available with a leakage current rating of up to 10 mA and a pulse current integral rating of up to 10 amps. The device is also designed to protect against alternating current up to 16.5 volts.

The working principle of ROV20H121K-2 is based on the voltage dependent resistance of the metal oxide film. The voltage dependent resistance of the film increases sharply with the increase in the applied voltage. This increases the impedance of the device to a large extent, making it capable of absorbing and dissipating large amounts of energy. This energy is dissipated as heat and helps in protecting the circuits against potential overvoltage and ESD.

The ROV20H121K-2 is a popular choice for the protection of various types of electronic equipment. It is usually available in a range of sizes and ratings to suit the requirements of the application. The device has a high breakdown voltage, allowing it to protect the circuit against large overvoltage situations. The device also has a low leakage current rating, allowing it to be used in low current circuits. The device also has a very low insertion loss, making it suitable for use in high speed data transmission applications such as Ethernet and USB.

In conclusion, the ROV20H121K-2 is a popular device for over voltage and ESD protection. It is usually made up of metal oxide with a voltage dependent resistance, which helps in absorbing and dissipating large amounts of energy. The device is available with a range of sizes and ratings, making it suitable for use in a variety of applications. The device is also designed to protect circuits from alternating current up to 16.5 volts and has a low leakage current rating, making it suitable for use in low current circuits. Overall, the ROV20H121K-2 is a popular choice for the protection of various types of electronic equipment.

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