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TVS - Varistors, MOVs

A TVS (Transient Voltage Suppressor) is a device used to protect sensitive electronic components from highly transient voltage spikes that can damage electronic components. It functions on the same principle as a varistor or a Metal-Oxide Varistor (MOV). TVS devices are used in a wide range of electronic products, from computers to consumer electronics. This article will explain the application field and working principle of the 9401250000 TVS.

Application field

TVSs are becoming more and more popular, as they are used to protect various electronic components from transient voltage surges. In the application field, it is mainly used to provide transient voltage suppression for volatile memory, Microprocessor-controlled devices, DC-DC converters, LEDs, and other automotive electrical components. Furthermore, they can be used for transient protection in low voltage AC-DC SMPS, telecommunications, consumer electronics, medical equipment, and aerospace/military applications. On the other hand, some special applications such as Ultra High voltage are also advanced after the development of special thick film technology.

Working Principle

The working principle of TVSs is relatively simple. They can be divided into two categories – Unipolar and Bipolar, depending on the transient voltage range they can protect against. Unipolar TVSs provide protection against a single polarity of transient voltage surges, either positive or negative. On the other hand, Bipolar TVSs are used to protect against both positive and negative transient voltage surges. This is important in applications where transients may be coming from either direction.

When a transient voltage surge is applied to a TVS, it diverts the surge current to the ground. This allows them to limit surges to a specific level, preventing the component from being damaged. The higher the spike, the more current that can be diverted, so the more effective the protection. Each component is designed to protect against specific transient voltages and current ratings, which range from 15V to 1500V, and 100mA to 30A.

Conclusion

TVSs are essential components for protecting sensitive electronic components from excessive transient voltage spikes. They come in two types – Unipolar and Bipolar, depending on the voltage and current rating. The 9401250000 TVS is specifically designed to provide protection from various transient voltage surges. It is widely used in various applications such as volatile memory, Microprocessor-controlled devices, DC-DC converters, LEDs, and other automotive electrical components.

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