MOV-20D220K

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The MOV-20D220K is a metal-oxide varistor (MOV) and is a popular choice for industrial surge protection circuitry. MOVs are used in various different applications, ranging from datacomms to home audio/video systems, to protect against power surges or lightning strikes. The MOV-20D220K is rated for up to 220kA peak discharge current at 8/20σ surge for up to 10 seconds duration.

This makes the MOV-20D220K suitable for use in many electronic products and systems in place of traditional resettable fuses. In particular, the MOV-20D220K has proven its value in many industrial, automotive and home automation OEM solutions.

Working Principle of MOV-20D220K

The MOV-20D220K is a type of non-linear resistor developed specifically for surge protection. It is constructed from zinc oxide, which is a ceramic material that is highly adept at absorbing energy. The MOV has an air gap between two terminals and the electrical connection comes from a wire lead attached to the terminals. When the gap is filled with a metal oxide, an electrical arc will form between the two terminals.

The metal oxide absorbs some of the energy from the arc and dissipates it into the device. This reduces the voltage at the terminals and limits the current, thus protecting the equipment. The higher the current, the greater the absorption by the metal oxide, leading to greater protection of the equipment.

Application Fields of MOV-20D220K

Due to its high peak discharge current, the MOV-20D220K is suitable for use in a variety of surge protection applications. The MOV-20D220K is popularly used in industrial, automotive, home automation, and communication systems. It is also employed in the protection of electrical and electronics networks, power grids, and industrial systems. The MOV-20D220K is ideal for use in different production lines because it is suitable for both short-circuit and short-term overcurrent protection.

The MOV-20D220K also boasts many advantages when employed in consumer electronics. It is typically used in televisions, DVD and Blu-Ray players, home theatre systems, and video game consoles. As a surge protection device, it can prevent damage to the internal circuitry caused by brief voltage spikes. Additionally, the MOV-20D220K is easy to install and replace, allowing for minimal downtime in the event of a power surge.

Conclusion

The MOV-20D220K has proven itself to be a reliable surge protection device for a variety of applications. The MOV is constructed of zinc oxide, which is highly adept at absorbing energy, and it is most commonly used in industrial, automotive, home automation, and communication systems. Additionally, the MOV-20D220K is also well suited for use in consumer electronics given its ability to protect the internal circuitry from brief voltage spikes with minimal installation and replacement time. Overall, the MOV-20D220K is an ideal choice for a wide range of surge protection requirements.

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