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3KP100-B TVS - Diodes Application Field and Working Principle

Transient Voltage Suppressor (TVS) diodes, also commonly known as surge-protection diodes, are a kind of protection device used to protect electronic and electrical equipment from transient overvoltage in cases of wiring or component malfunction. The 3KP100-B is a medium-speed, unidirectional thyristor-based TVS diode, which provides transient protection for automotive and other systems against over-voltage damage.

Application Field

The 3KP100-B TVS diode has been designed for use in automotive applications, such as in-car audio systems, navigation systems, airbags, ECUs and lighting. It can be used to protect engine systems, door locking and central locking systems, radio tuners, and other related electronics. As it\'s also designed for general purpose applications, it provides significant protection from power surges, transients, and power cross voltage in consumer products, networking, and server/access equipment.

In addition, the 3KP100-B is designed specifically to meet the requirements of the new European standards for automotive electronics - UL1577/ IEC 60664-1, IEC 60747-1 and IEC 60747-5-2 – which mandate protection against surges up to 40A.

Working Principle

The 3KP100-B TVS diode works by providing a current path for any overvoltage that might occur. When the voltage exceeds the clamping voltage of the diode, current is diverted through the diode, avoiding potential damage to the electronic or electrical equipment. The 3KP100-B diode includes a unidirectional thyristor which helps control or limit the current during a surge.

With its quick response time and low clamping voltage levels, the 3KP100-B ensures reliable electro-magnetic immunity and surge protection for automotive and general purpose electronic and electrical equipment. It offers superior surge and transient protection in both automotive and general purpose applications, protecting against surges up to 40A. The handheld test probe also offers added convenience for checking the performance of the device.

Conclusion

The 3KP100-B TVS diode provides superior protection against overvoltage damage in automotive and general purpose applications, meeting the requirements of the new European standards for automotive electronics. Featuring a unidirectional thyristor and quick response time, it is one of the most reliable and robust devices on the market.

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