V07P420P

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TVS(Transient Voltage Suppressor) devices are generally categorized as Varistors, MOVs(Metal Oxide Varistors)，Transil®diodes and Gas Discharge Tubes (GDTs). Varistors/MOVs provides a low dynamic resistance shunt path to ground for instantaneous surge energies in response to excessive voltage surges. V07P420P, a professional Varistors/MOVs model from SGE, is used to absorb surge current and prevent further damage in case of overvoltage. Its application fields and working principle will be elaborated in the following section.

Application Fields

V07P420P is often used in aviation field, which could offer excellent protection for environment of high temperature, humid or highly polluted area. In particular, its disc-shape design ensures it suitable for large-scale operations. Besides, this V07P420P model could be also applied in Automative Electronics, such as Auto Starter, Generator, and CDI for vehicle safety. It works effectively to protect these facilities from electrical surges and spines.

Working Principle

V07P420P is based on Metal Oxide Varistors (MOV), a type of nonlinear, voltage-dependent devices which acts as a bidirectional switch with a very high current variability. When the voltage across the device exceeds a predetermined peak point, the MOV would conduct and divert the electricity away, thus clipping the transient and the voltage at its terminals would return to its pre-surge level. Specifically, V07P420P contains zinc oxide as the core media and multiple layers of electrodes that works effective in shorting the excess energy away. In addition, the high surge capability makes it able to tolerate up to 140kA 8/20μs impulse.

Reasons for Using V07P420P

With its wide application scope, its wide working temperature range (-55 ～ 150℃ ), and its high Surge current capability, V07P420P is suitable for a wide range of application fields. Moreover, the highly reliable zinc oxide varistor core and the exclusive packaging which contains the special pressure terminal, further strengthens its over-voltage protection capability and makes it more preferred by consumers. In addition, SGE is a well-know TVS manufacturer given its advanced technical experience and continually optimized quality control system, providing highly stable products and consistent services to its customers.

Conclusion

In conclusion, SGE’s V07P420P provided the functions of protection for aviation field and Automative electronics such as Auto Starter, Generator, and CDI from overvoltage. It not only has wide application scope and working temperature range but also has high surge capability. In addition, strong technical expertise and quality control system of SGE make V07P420P become one of the most popular professional Varistors/MOVs devices.

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