ROV05-471K-S

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TVS (transient voltage surge suppressors) and MOVs (metal oxide varistors) are two of the most common types of surge protection equipment. ROV05-471K-S is a multifunctional transient voltage surge suppressor. This surge protection device provides protection for both inductive and capacitive circuits, making it suitable for a wide range of applications. Here we will discuss the ROV05-471K-S application field and working principle.

Application Field of ROV05-471K-S

The versatile ROV05-471K-S can be used in several different types of applications, including automotive, industrial, medical, and home automation. It is ideal for protecting against overvoltages and overcurrents due to electrical spikes and surges. It is also suitable for power supply applications, where reliability in the event of power fluctuations is particularly important. The ROV05-471K-S can be used in AC line protection applications up to 2.5kV for frequencies up to 400 Hz, or in DC line protection applications up to 20kV.

Working Principle of ROV05-471K-S

The ROV05-471K-S works by using a metal oxide varistor (MOV) to shunt surges in electricity to ground. An MOV is a semiconductor ceramic material that consists of grains of zinc oxide embedded in a polymer matrix. When exposed to a surge of electricity, the structure of the MOV is changed, allowing it to become conductive and shunt away the surge. This process can happen several times before the device needs to be replaced.

The ROV05-471K-S also includes an overvoltage protection feature. This feature uses a zener diode to limit the voltage of the surge to a safe level. Zener diodes are semiconductor devices that have an intrinsic breakdown voltage, and they work by limiting the voltage of the surge before it can reach levels that could damage circuitry. The overvoltage protection feature of the ROV05-471K-S is adjustable, making it suitable for use in applications with different surge protection requirements.

Conclusion

The ROV05-471K-S is a versatile and reliable surge protection device that can be used in a wide variety of applications. It uses an MOV to shunt away overvoltages and overcurrents, and it also includes an adjustable overvoltage protection feature. In summary, the ROV05-471K-S is an effective and reliable surge protection device that is suitable for both AC and DC power supply applications.

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