3KP90-B

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TVS-Diodes are a form of semiconductor technology designed to protect electrical and electronic components from electrostatic discharge (ESD) and other overvoltage events such as lightning. They act like a normal diode but have higher breakdown voltage, higher clamping voltage and larger capacitance than standard diodes. One of the most popular TVS-Diodes is 3KP90-B. This application note will discuss the applications of 3KP90-B and its working principle.

Applications of 3KP90-B

3KP90-B TVS-Diodes are ideal for a variety of applications as it is able to provide overvoltage protection to delicate components or systems. For example, it can be used to protect telecom systems, data lines, and mobile phone circuitry from ESD or other high voltage transients. It can also be used in automotive applications to protect car radios, infotainment systems, and vehicle networks from overvoltage damage. Furthermore, 3KP90-B TVS-Diodes can be used in industrial settings, where they can protect industrial control systems and connected devices from electrical surges caused by power fluctuations or lightning strikes.

Working Principle of 3KP90-B

The working principle of 3KP90-B TVS-Diodes is based on a structural phenomenon called "snap-back current". This is a surge of current that passes through the diode, and is caused by the interaction of the depletion and drift regions in a diode when an overvoltage event occurs. When the voltage applied becomes higher than the designed breakdown voltage of the diode, an avalanche effect is triggered, which causes a sharp increase of current, or a "snap-back". This current is then clamped to a predetermined voltage, which prevents the voltage from rising any further and thus protects the device or component from damage.

3KP90-B TVS-Diodes have the advantage of being able to withstand higher voltages than standard diodes, while having a faster response time than other surge protection technologies like thyristors or gas discharge tubes. Additionally, 3KP90-B devices are made from an ultra-fast, power-efficient technology, offering superior overvoltage protection, which makes them well-suited for use in a wide range of applications.

Conclusion

3KP90-B TVS-Diodes are highly reliable solutions for providing overvoltage protection for electronic circuits and systems, and can be used in a wide variety of applications. Their high breakdown voltage, clamping voltage, response time and reliability make them ideal for protecting delicate circuitry. They also provide superior protection from electrical surges, lightning strikes and other high voltage transients, making them one of the most popular TVS-Diodes available on the market.

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