B72240L0251K102

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Transient Voltage Suppressors (TVS) - Varistors, MOVs. These remarkable devices protect by blocking and greatly reducing large voltage transients. They also act as surge protectors, protecting equipment from power surges due to lightning, electrostatic discharges and other external sources. B72240L0251K102 is a Varistor, Media Operated Voltage Suppressors.

Application Field

B72240L0251K102 Varistors are widely used for line discharge suppression, power system transient voltage protection, relay protection, digital control circuit protection, protecting input and output components, as well as lightning strike and ESD protection. These Varistors have become a preferred solution for commercial and industrial applications, in such fields as Telecommunications, Telecommunications networks, Automotive and Industrial.

Working Principle

The B72240L0251K102 Varistor is an electro-mechanical device that depends on the electric field of a ZnO layer to prevent the drastic damage derived from current spikes or transients. It works by shifting the polarity of electricity, disrupting the movements of electrons and allowing for the break down of any disruptive frequencies before they reach the equipment.

The B72240L0251K102 Varistor provides high-performance power protection by using its media-operated voltage suppressor to provide superior surge protection in both voltage and current. It is capable of switching quickly from a non-conductive state to a low-resistance state in the presence of a sudden or transient voltage spike, thus providing two-way protection against overvoltage and overcurrent.

The device combines the well-known MOV (Metal Oxide Varistor) with a thermally activated switch. When an overvoltage or a surge appears, the thermally activated switch opens up and safely dissipates the energy from the transient voltage spike by allowing the current to flow through the Varistor. As the voltage begins to subside, the thermal switch closes, which is evident by the decreased resistance.

In addition, the B72240L0251K102 Varistor’s media-operated voltage suppressors are designed to filter voltage in both directions (AC and DC) as it absorbs or dissipates energy, ensuring reliable and secure power delivery for all types of electrical equipment. Moreover, the performance of the device when used in various applications is excellent and shows minimal signs of wear or breakdown after years of reliable operation.

Conclusion

The B72240L0251K102 Varistor is an effective tool for protecting sensitive equipment from electrical transients and surges. The Varistor works by combining a MOV with a thermally activated switch for robust protection against any overvoltage or surge. Furthermore, this device is designed to filter voltage in both directions, making it highly suitable for commercial and industrial applications, Telecommunications, Telecommunications networks, Automotive and Industrial.

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