P6KE68AHE3/54 Circuit Protection

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P6KE68AHE3/54 is a type of TVS diode. A Transient Voltage Suppressor (TVS) diode is a semiconductor device which provides protection when exposed to a voltage spike or electrical overstress event. Such a device is also known as a suppressor diode, surge arrestor, voltage clamp or a transient voltage protection device. This type of diode is most often used in power supply designs and to protect electronic circuits from lightning and electrostatic discharge.

The P6KE68AHE3/54 has a peak pulse power rating of 6.8kW (10/1000µs). This diode has a clamping voltage of 68V, which is the maximum voltage that the diode can tolerate. The diode is capable of handling a maximum peak reverse current of 140A and its reverse recovery time is typically 100ns.

The application areas for this type of TVS diode are mainly in the fields of automotive and consumer electronics. The diode can be used in automotive applications such as in dashboard electronics and control systems, where it would protect the system from transients generated through electromagnetic interference (EMI). The device can also be used in consumer electronics such as portable device chargers, laptop power supplies, USB and external hard drive connectors to protect them from voltage spikes caused by lightning or ESD.

The working principle of theP6KE68AHE3/54 is that when an overvoltage event or a voltage spike is presented to the device, the diode is triggered and starts to act as a resistor, limiting the voltage across the device. The clamp voltage of 68V is the maximum clamping voltage of the diode, and the diode will be triggered if the voltage across it exceeds this level. After the overvoltage event has occurred, the diode will start to recover from conducting to a high-impedance state gradually, and this process is known as the reverse recovery.

The P6KE68AHE3/54 is a versatile device which can be used in a variety of applications to provide reliable protection from overvoltage events. It is important to note that the device should always be used in accordance with the manufacturer’s instructions to ensure optimum performance and longevity.

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