VE1812K801R011

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TVS - Varistors, MOVs are components designed to protect electrical circuitry. Commonly used in electronics, these components consist of two terminals with a varistor material sandwiched in between. The material is composed of elements which have a non-linear I-V relationship. The V1812K801R011 is a Multilayer Varistor (MLV) typically used for electrostatic discharge and transient protection applications. In this article, the application field and working principle of this varistor is discussed.

Overview

The V1812K801R011 is a bidirectional MLV. It provides protection from transient voltages up to 76V and can handle up to 110A peak surge current. Its high energy rating and excellent surge capability can handle a wide range of circuit protection applications. The bidirectional capability also allows it to be used in AC current circuits. It is suitable for use in computer systems, industrial control systems, telecommunications, audio and video circuits, medical equipment and general consumer applications.

Working Principle

When voltage is applied across the two terminals of the varistor, it will begin to conduct current. This is due to the non-linear I-V relationship of the varistor material. As the applied voltage increases, the current will also increase – the rate of current increase is predetermined by the parameters of the material. In the case of the V1812K801R011 MLV, the non-linear relationship will ensure that the current is limited to 110A peak.

When an AC current is applied to the MLV, the non-linear I-V relationship will also come into play. As the current passes through the varistor, it will see a varying resistance due to the material\'s non-linearity. This varying resistance will limit the current to a safe level, ensuring that it does not damage other components in the circuit. The V1812K801R011 is designed to operate with an AC frequency up to 1kHz, which makes it suitable for a variety of applications.

Application Field

The V1812K801R011 MLV has a wide range of applications. It is mainly used to protect circuits from transient voltage spikes caused by lightning strikes or power surges. Its high surge capability and excellent energy rating make it suitable for a wide range of applications. It can be used to protect computer systems, industrial control systems, telecommunications, audio and video circuits, medical equipment and general consumer applications. It is particularly useful for protecting sensitive components in consumer electronics from damage caused by power spikes.

The V1812K801R011 is also widely used for protecting circuits from electrostatic discharge (ESD). Its robust construction ensures that it can effectively dissipate large amounts of energy in the form of ESD without damaging the circuit. This makes it ideal for applications such as handheld devices and medical equipment. It is also ideal for general purpose applications where protection from ESD is required.

Conclusion

The V1812K801R011 MLV is a versatile component with a wide range of applications. Its high energy rating and excellent surge capability make it suitable for a variety of circuit protection applications. Its high surge capability and robust construction make it ideal for protecting circuits from transient voltage spikes and electrostatic discharge. It is suitable for use in computer systems, industrial control systems, telecommunications, audio and video circuits, medical equipment and general consumer applications.

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