ROV10-220L-S

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Varistors, or variable resistors, are electronic components consisting of semiconductor material that provide passive electrical protection against surges and voltage transients. A MOV (metal oxide varistor) is a specific type of varistor, with a metal oxide layer that absorbs excess voltage energy. The ROV10-220L-S is a specific type of MOV, designed for applications where a space saving and low profile design is desirable, such as telecommunications, automotive, and consumer products. In this article, we will discuss the application fields and working principle of the ROV10-220L-S.

Application Fields

The ROV10-220L-S is designed for a wide range of applications. It can protect against transients in telecommunications circuits, automobiles, consumer electronics, and other circuit protection. It can be used as an overvoltage protection device to protect against small voltage transients, such as lightning-induced surges or electrical noise caused by switching devices.

The ROV10-220L-S is also used in automotive applications. It offers protection against transients in the fuel pump, ignition system, ABS system, and airbag module. In addition, it can also protect ECU circuits, battery and socket protections, and power meters.

In consumer electronics, the ROV10-220L-S is often used in the protection of smartphones, tablets, and other personal electronics. It provides protection against transients caused by dropping the device or other mechanical shocks, and can be used as an over-voltage protection device to protect against power surges and spikes.

Working Principle

At its core, the ROV10-220L-S is a combination of a resistor and a semiconductor. It consists of two electrodes, the anode and the cathode, which are separated by a layer of paste. This paste contains zinc oxide particles which serve as rectifying elements and provide the non-linear behavior of the device.

When a voltage is applied to the electrodes, the zinc oxide particles form rectifying bridges, which prevent the flow of current in the reverse direction. This allows the device to act as a voltage clamp, diminishing the positive side of the wave pulse to the level of the negative side. Thus, it reduces the peak voltage of the applied transients, effectively limiting the applied voltage to a safe level.

Due to its small size, the ROV10-220L-S is ideal for applications where space is limited. Its small form factor allows it to be installed in cramped and tight spaces, such as on circuit boards or in automotive electronics. Furthermore, its low-leakage current design also makes it suitable for high-impedance applications.

Conclusion

In summary, the ROV10-220L-S is a low-profile, space-saving MOV designed for applications such as telecommunications, automotive, and consumer products. It is capable of providing effective protection against transients, due to its combination of resistor and semiconductor materials. Furthermore, its small form factor allows for easy installation in tight spaces. Ultimately, the ROV10-220L-S is an ideal choice for a wide range of applications requiring overvoltage or transient protection.

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