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TVS - Varistors, MOVs

V140LU2P is a Metal Oxide Varistor, otherwise known as MOV, that is utilized for transient overvoltage protection applications. It provides high peripheral and isolation ratings, robustness, and superior AC performance. It is commonly used to protect various Electronic and Electrical systems from overvoltage that can cause malfunctions or even destruction of components.

Applications of V140LU2P

Varistors, such as V140LU2P, can be used in all types of electrical or electronic systems and equipment for transient overvoltage protection, such as AC/DC power supplies, motors, lighting systems, and electronic devices. V140LU2P is especially suitable for use in robotics, industrial automation, and applications involving high transient voltage levels. This makes V140LU2P a popular choice for protecting these types of electrical/electronic systems from damage due to overvoltage.

Working Principle of Varistors

Varistors are components that combine various materials, such as zinc oxide, to form a nonlinear resistor. Varistors can be thought of as a voltage-dependent resistor because they have a nonlinear current-voltage characteristics. This means that the current through the component changes with the applied voltage. The nonlinear current-voltage behavior of varistors is due to the presence of mobile ions within the structure of the device. When a voltage is applied to the varistor, the mobile ions move, thus changing the resistance of the component.

When the applied voltage is lower than the nominal voltage, the resistance of the varistor is high. This is known as the “forward resistance”. When the voltage increases beyond the nominal voltage, the resistance of the varistor rapidly drops, possibly generation a high current through the component. This is known as the “clamping current”. The sudden change in resistance is known as the “clamping voltage” and is responsible for the overvoltage protection of the varistor.

Because of its ability to protect the components from high voltage transients, V140LU2P is often used in Transient Voltage Suppression (TVS) applications in order to protect sensitive electronics and equipment from damage due to overvoltage. Its robust construction and low component cost make it a popular choice for a wide variety of electrical or electronic systems and equipment.

Conclusion

V140LU2P is a Metal Oxide Varistor, otherwise known as MOV, that can provide high peripheral and isolation ratings, robustness, and superior AC performance. It is commonly used to protect various electrical/electronic systems and equipment from overvoltage that can cause malfunctions or even destruction of components. Its ability to protect from high voltage transients make it a popular choice for various TVS applications.

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