5KP78A-HR

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TVS (Transient Voltage Suppression) diodes are electronic components used to prevent against currents and surge voltages caused by electrostatic discharge (ESD), electrical transients, and lightning events in electrical circuits. 5KP78A-HR TVS diode, as one type of TVS diodes, has wide applications and advanced working principle.

Application Field

5KP78A-HR TVS diodes are designed to protect electronic equipment from damage due to ESD, electrical transients, and lightning strikes. It is particularly designed for automotive and industrial application, such as automotive systems, lot-control systems, and high-voltage power switching. It is suitable for use in high-temperature operation which may occur in automotive applications.

It has peak pulse power of 5 kilowatts, a working voltage range of 18-76V and strong electrostatic discharge (ESD) protection. It offers current rating of 5 amperes at 150 deg C. The 5KP78A-HR has an operational temperature range of -55 to 150℃.

Working Principle

The working principle of 5KP78A-HR TVS diodes lies in its ability to quickly redirect voltages that exceed a certain limit to prevent damage to the connected equipment. It offers a quick reaction time and suppresses the transient voltage within a few nanoseconds to mills seconds.

5KP78A-HR TVS diodes are usually connected to the ground side of a circuit without modifying the existing design. It is connected in parallel to the load to protect it against an external voltage surge. During the surge, the 5KP78A-HR TVS diode reacts quickly and clamps the voltage at a safe level, thus preventing the connected equipment from damage.

The 5KP78A-HR TVS diode is equipped with a diode-like structure with high reactivity, high gripping power, a low clamping voltage, and excellent heat resistance. It is a bidirectional component and is able to protect against both positive and negative transient voltages. It can protect up to five kilowatts of peak pulse power and withstand extreme temperatures.

Conclusion

In conclusion, 5KP78A-HR TVS diodes offer a very reliable and efficient protection against transient voltages and surges related to ESD and lightning events. It can be used in a variety of automotive and industrial applications due to its high reactivity, high gripping power, a low clamping voltage, and excellent heat resistance. Thus, 5KP78A-HR TVS diodes are the perfect choice for transient voltage suppression.

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