ROV20-112K-S

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A varistor is an electronic component used to protect electrical circuits from surges and other changes in the circuit that can lead to damage. The ROV20-112K-S is a varistor that is commonly used to protect circuits from voltage fluctuations in the circuit. This article will discuss the application field and working principles of the ROV20-112K-S.

The ROV20-112K-S is typically used for primary protection of electronic circuits from common mode voltages in air-conditioners, refrigerators, automotive and industrial applications. It has a capacitance of 3.3pF, which means it can handle high frequencies and suppress transients over a wide range of frequencies. Additionally, the ROV20-112K-S has resistance of 1 MOhm, which allows for superior surge and noise protection.

The ROV20-112K-S works by using its non-linear voltage-current characteristic to absorb and dissipate voltage peaks in the circuit. When there is a surge of voltage, the varistor absorbs it, preventing it from flowing through the rest of the circuit and causing damage. This is done by allowing the current to flow through the varistor when the voltage is below the specified breakdown voltage, and then limiting the voltage when it exceeds the breakdown voltage. This effectively dissipates the excess energy, optionally channeling it into a known safe path.

Furthermore, the ROV20-112K-S is RoHS compliant and is UL approved, making it suitable for use in a variety of applications where safety is a priority. Additionally, the ROV20-112K-S is rated for up to 250 volts AC/VDC, making it suitable for use in a variety of voltage ranges. It has a current capacity rating of 1.5A and can withstand a maximum pulse current of 8A. In addition to all these features, the ROV20-112K-S has a maximum leakage current of 0.1 mA at 1mOhm, which ensures the safety of circuits protected by the varistor.

In conclusion, the ROV20-112K-S is a highly capable varistor designed for primary protection of electronic circuits. It is RoHS compliant and UL approved, which makes it suitable for use in a variety of applications where safety is a priority. Additionally, it has an excellent current capacity, pulse current capacity, and leakage current rating, making it a reliable and efficient protector of circuits from voltage fluctuations.

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