TMOV14RP320EL2B7

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Surge protective devices (SPD) provide essential and efficient protection against the damaging effects of transient overvoltage. Two protection technologies used in SPDs are Transient Voltage Suppressors (TVS) and Metal Oxide Varistors (MOVs). One example of an MOV is TMOV14RP320EL2B7, which has an application field and working principle that will be discussed in this article.

Application Field of TMOV14RP320EL2B7

TMOV14RP320EL2B7 is an overvoltage protection component that can be used in a wide range of electronic applications. Most commonly, it is used in power supplies, communication devices, and automotive electronics, among other systems. In particular, TMOV14RP320EL2B7 is often used in power supplies to protect against overvoltage that could potentially damage the components inside. It can also be used in automotive electronics such as audio systems, airbags, and automotive control systems.

Working Principle

MOVs work by clamping and diverting surges caused by external influences such as lightning or power line spikes. TMOV14RP320EL2B7 is a passive electronic component that works on the principle of non-linear resistance. It consists of a metal oxide material sandwiched between two metal electrodes. The metal oxide material is composed of zinc oxide particles, which have a dielectric property. This metal oxide material has a non-linear current-voltage response, meaning that its resistance changes with the applied voltage.

When a transient overvoltage is applied, the TMOV14RP320EL2B7 activates and the current flow is diverted. This allows the transient voltage to be dissipated or grounded before it reaches other sensitive components. As the MOV material absorbs the overvoltage, it begins to heat up, and its resistance begins to increase. As the voltage and heat increases further, the MOV will reach its maximum dissipation point, at which time it will quickly dissipate the excess voltage.

Conclusion

Metal oxide varistors, such as TMOV14RP320EL2B7, are essential components in providing protection against transient overvoltages. They work on the principle of non-linear resistance and can be used in a variety of electronic applications such as power supplies and automotive electronics. By clamping and diverting surges caused by external influences, MOVs are able to prevent potential damage and ensure reliable performance of the system.

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