ROV20H270M-S

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Varistors, or volt-age dependent resistors (VDRs), are a type of electronic component which is used to provide protection against electrical overvoltage. In particular, the ROV20H270M-S is a type of varistor that is popular in high power applications and is capable of handling a wide range of voltages and temperatures.

The ROV20H270M-S is designed to absorb excessive voltage, dissipating the extra energy harmlessly instead of allowing it to cause damage to other components. It is made from zinc oxide ceramic material, which is highly resistant to overvoltage. The component is also designed to be self-healing and continue functioning after a voltage surge. The device also works with a wide operating temperature range from -55°C to +125°C.

The varistor is used in many different applications, mainly to help reduce the risk of damage to electronic circuits from voltage spikes. It can also provide surge protection for sensitive components. Common applications include anti-theft systems, mobile phone accessories, and networking equipment. The device is also used in military application, electric vehicle charging units, and medical equipment.

The ROV20H270M-S works by passing AC current through its terminals. When the voltage across the terminals increases, the resistance decreases due to the zinc oxide ceramic material, effectively lowering the voltage to a safe level. At the same time, the excess energy is dissipated in the form of heat, helping to protect other components.

In summary, the ROV20H270M-S is a type of varistor which is designed to provide protection against electrical overvoltage. It is capable of handling a wide range of voltages and temperatures, while at the same time dissipating the excess energy safely. The device is used in many different applications, protecting sensitive components from voltage spikes and surges. The device works by passing AC current through its terminals, and lowering the voltage to a safe level when the voltage across the terminals increases.

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