P4KA8.2AHE3/73

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TVS - Diodes, or transient voltage suppressors, are devices designed to protect electronic components and systems from voltage spikes. The P4KA8.2AHE3/73 device is a bi-directional, unidirectional darlington-configured transient voltage suppressor. It is designed to protect devices from voltage transients of up to 8.2 KV, making it well-suited for applications requiring high-voltage transient protection.

The P4KA8.2AHE3/73 offers high surge capability through its peak pulse power rating of 500 W. This peak power rating indicates the maximum surge power the device can withstand without being damaged. It also has an off-state leakage current of 20 mA, which means that it will not draw an excessive amount of current from its source during normal operation. This feature makes the device well-suited for applications requiring low power consumption.

The P4KA8.2AHE3/73 is suitable for industrial applications, such as power distribution, utility protection, and lightning protection, as well as automotive applications, such as car audio systems, starter motor relays, and voltage regulators. Additionally, it can be used in consumer products such as home automation equipment, remote controls, and LED lighting.

The working principle of the P4KA8.2AHE3/73 is based on the three main functions of a transient voltage suppressor: absorb, clamp, and conduct. When a surge or transient voltage exceeds the device\'s breakdown voltage, it begins to absorb the excess energy and reduce the overshoot voltage. Once the voltage is reduced, the device then clamps the voltage to a safe level. Finally, the device conducts any remaining excess current back to its source. This process is repeated until the transient has dissipated, which is what allows the device to protect against damaging voltage spikes.

In summary, the P4KA8.2AHE3/73 is a unidirectional, bi-directional darlington-configured transient voltage suppressor that is designed to protect devices from voltage transients up to 8.2 kV. It has a peak pulse power rating of 500 W and an off-state leakage current of 20 mA. The device is suitable for industrial applications, automotive applications, and consumer products, and works by absorbing, clamping, and conducting any excess energy from voltage surges.

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