HFA80NK40C

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The HFA80NK40C device is a diode-rectifier array designed to provide protection from voltage surges and to improve the reliability of power systems. It is a multi-phase diode array with 8 parallel MOSFETs connected to a common cathode and a common anode. It can be used to protect the voltage circuit, current circuit, and communication circuits from overvoltage and surge damage. The HFA80NK40C provides a low forward voltage drop, low power consumption, and fast response time.

The HFA80NK40C is typically used in applications such as automotive, LED lighting, telecom power sources, industrial power supplies, and medical equipment. It is designed to provide a fast and reliable protection against transient overvoltage, undervoltage, and short-circuit currents. The device has a rated operating junction temperature range of -55 to 150℃, and a thermal resistance of 6 to 8℃/W.

The working principle of the HFA80NK40C is simple and straightforward. When the voltage on the anode exceeds the breakdown voltage of the diode, the device will begin conducting current. At the same time, the gate-source voltage will open the MOSFETs, allowing current to flow from the anode to the cathode. The MOSFETs act as a bridge to provide a low resistance path from the anode to the cathode. This enables the device to absorb the surge current and protect the circuit from overvoltage.

In addition, the HFA80NK40C also features a soft-start protection circuit that prevents the device from providing an excessive current when the voltage on the anode increases beyond the breakdown voltage. This feature helps to improve the reliability of the circuit by preventing excessive current from damaging the power supply.

The HFA80NK40C is a reliable and efficient diode-rectifier array that can be used in a wide range of applications. It provides fast and reliable protection against overvoltage, undervoltage and short-circuit currents. It is designed to provide a low forward voltage drop, low power consumption and fast response time. It is ideal for automotive, LED lighting, telecom power sources, industrial power supplies and medical equipment.

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