ROV10H820K-S

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TVS – Varistors, MOVs are essential components used in circuit boards to provide transient protection. They limit the voltage surge that would otherwise pose galvanic shocks or electrical fire hazards. ROV10H820K-S is a widely-used Transient Voltage Suppressor (TVS) used to protect against transient over-voltages that may cause significant data loss, equipment malfunction, and potential safety risks. Understanding the application field and working principle of ROV10H820K-S can help circuit designers understand its usage in their projects.

Application Fields

ROV10H820K-S is a widely used product for protecting circuits from electrical overstress (EOS) and ElectroStatic Discharge (ESD). The surge current capability of ROV10H820K-S makes it an excellent choice for high-current applications such as servo motors, motor drives, medical equipment, and machine controllers. Its low reverse leakage current and low load capacitance are useful for high-speed applications such as USB, which require a minimum amount of energy to function properly. This TVS also provides surge protection for sensitive components such as CMOS. Therefore, ROV10H820K-S is ideally suited for applications in automotive, industrial, and consumer electronics.

Working Principle

ROV10H820K-S is a nonlinear silicon diode specifically designed to absorb the excursion of inductive pulsating transient voltages. It consists of a semiconductor gate with two buckets connected in series and sharing the same gate structure. When a surge voltage hits across this circuit, it initiates a current-carrying path from one bucket to the other, dissipating the electric energy in the form of heat. This structure enables ROV10H820K-S to be extremely responsive, providing efficient and reliable surge protection for circuits.

When the surge voltage is within the specified range, its energy is safely dissipated and thus prevents further damage to the equipment. The low reverse leakage current reduces the losses in the TVS during normal operating voltage. Moreover, it does not create large load capacitance to reduce the switching performance of parts connected.

Conclusion

ROV10H820K-S is a widely used surge protection device with many benefits. Its high surge current capability, low reverse leakage current, and low load capacitance make it a preferred choice for protecting circuits from EOS and ESD. Understanding its application fields and working principle can help circuit designers choose the right product for their projects.

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