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TVS – Varistors, MOVs

Varistors and MOVs are electronic components used for protection against transient voltages, commonly found in consumer electronics like mobile phones, external hard disk drives, and laptop chargers. The V20E275L4B7 is a type of Varistor used in these applications, which is designed to absorb a large amount of electrical energy, protecting against voltage spikes.

Applications of V20E275L4B7

The V20E275L4B7 is primarily used in electronic devices and equipment, such as mobile phones and chargers, to protect against overvoltage of up to 275V Peak. It provides transient protection for the sensitive parts within any electronic system. This Varistor can also be used in other applications, such as industrial, lighting, and automotive electronics, for protection against electrostatic discharges, surges, and lightning strikes.

Working Principle of V20E275L4B7

A Varistor works on the principle of a reverse-biasing diode, where voltage is applied across it, causing the diode to become conductive. When there is a transient voltage, this exceeds the reverse-biasing voltage and the diode (Varistor) goes into a heavily conductive state, resulting in the current being diverted to ground. In this way, any overvoltage is effectively absorbed, protecting the device from damage.

The V20E275L4B7 is a Metal Oxide Varistor (MOV), which is a type of Varistor. It works by having two metal plates encased in an oxide material, where the applied voltage will cause the material to become conductive, allowing current to flow to ground. This mechanism ensures that any overvoltage will be quickly dissipated, providing reliable protection for any electronic device.

Conclusion

The V20E275L4B7 is a type of Varistor used for transient voltage protection in consumer electronics. It is mainly used for protection against voltage spikes, surges, and lightning strikes, but can also be used in industrial, lighting, and automotive electronics. This Varistor works on the principle of a reverse-biasing diode, where the voltage applied causes the diode to become conductive, allowing current to

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