5KP7.0CAE3/TR13 Circuit Protection

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TVS – Diodes are an important device used to protect other devices from voltage transients. The 5KP7.0CAE3/TR13, commonly known as the 5KP, is one such product of this family. It is particularly designed to suit applications requiring higher surge withstand capability.

5KP is a surface–mount device, specially fabricated to absorb high surge currents. This makes it superior to standard TVS diodes, which offer lower surge current capacity. 5KP is optimized to provide peak pulse power of 700 W for a 10/1000 μs pulse. It offers superior clamping performance with a breakdown voltage of 7.0 V.

The 5KP series of TVS diodes is usually used in Automotive applications such as computer peripherals, communication and control equipment, multimedia devices, and power systems. It is also suitable for sensitive equipment and module boards which often fall victim to voltage transients caused by static discharge.

Moreover, 5KP is also suitable for protecting various types of sensing or measuring equipment and medical devices. In summary, 5KP is a versatile device that offers superior protection against voltage transients in all kinds of applications.

When it comes to the working principle of the 5KP, it is relatively straightforward. When the applied signals exceed the zener breakdown voltage of the device, the thyristor starts conducting in the opposite direction. This is a type of surge current clamping for protection. The stored charge is then discharged as the voltage of the signal decreases below the breakdown voltage.

As the signal reaches the predetermined clamping voltage, the current is diverted through the 5KP TVS diode and across the external resistors, allowing the signal to be suppressed and clamped without any dv/dt damage. This is the main reason why 5KP is popular for applications needing surge protection.

In conclusion, the 5KP7.0CAE3/TR13 is a TVS diode that is optimized to provide high surge current protection and peak pulse power (700W). It is usually used in Automotive and communication applications for providing superior protection against various voltage transients. It achieves this by implementing the mechanism of thyristor operation, where current is diverted through the external resistors to provide protection.

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