B72220T2351K101

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TVS - Varistors, MOVs, are surge protectors used to protect low-voltage circuits from high-voltage transients. The B72220T2351K101 is a series of varistor/MOV products specifically designed for protection in industrial and consumer applications. This article outlines the application fields and working principle of the B72220T2351K101.

Application Fields

The B72220T2351K101 series of varistor/MOV products are designed for use in industrial and consumer applications. In industrial applications, it is used to protect machinery and equipment from large voltage spikes and other transient-related events, such as CPU failures, power surges, lightning strikes, or electrostatic discharges. In consumer applications, it is commonly used to protect TVs, computers, and other electronic devices from high-voltage transients.

Working Principle

The B72220T2351K101 series of varistor/MOV products utilizes a two-pronged approach to surge protection. First, it functions as an active clamp, absorbing energy from transient-related surges by acting as a short circuit. Second, it functions as a voltage-dependent resistor, or VDR, dissipating destructive energy when the voltage reaches a specified level. This protects the circuit from further damage and reduces the amount of damage caused by the surge.

When the protected circuit is facing voltage or current transients, the varistor switching on very quickly, acting as a shunt. This shunts the voltage spike and diverts the transient energy away from the protected circuit. At the same time, the varistor acts as a resistor, dissipating the energy as heat before it can damage the equipment.

The B72220T2351K101 series of varistor/MOV products is a very useful tool in protecting low-voltage circuits from high-voltage transients. It functions as an active clamp, absorbing excess voltage from transient-related surges, and as a voltage-dependent resistor, dissipating destructive energy before it can damage the equipment.

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