MXP4KE82AE3 Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are an important component in electrical designs. When overvoltage exceeds the threshold of a specified electronic device, TVS diodes can effectively handle the surge current, discharge it, and protect the device against potential damage. One of the most common parts used in this application is the MXP4KE82AE3.

The MXP4KE82AE3 is a P4KE series surface mount diode with an E82Z marking code. The chip is housed in a tiny SOD-323 package, which stands out for its small size and low static power dissipation. The device has a maximum breakdown voltage of 8.2 V, which makes it a great choice for overvoltage protection and ESD suppression.

The MXP4KE82AE3 is part of ON Semiconductor’s high power TVS diode family, offering 6 amperes peak pulse current capability. Its P4KE series feature brings robustness to the device. It uses avalanche technology to provide superior power handling capabilities. The device is used for TVS application in consumer electronics, telecommunications, automotive, and power systems, offering the most robust protection.

The device works in two ways. In the first, the incident overvoltage or voltage transient triggers the diode breakdown voltage, which is then shunted to ground. The immediate reaction not only prevents any device from failing, but also protects the device from any subsequent overvoltages that may occur. Secondly, the device works like a zener diode. The voltage transient is clamped by the device and diverted to ground, thus providing protection from higher probability of reduced peak current. This allows the device to handle pulse energy and provide some amount of power dissipation.

In terms of application, the MXP4KE82AE3 is suitable for telecom equipment and consumer electronics, including notebooks, mobile phones, and other hand-held devices. It can also be used in automotive and power systems thanks to its 8.2V breakdown voltage, 6 Amps peak pulse current capability, and robust P4KE construction. In addition, it can be used in communication and instrumentation circuits to provide overvoltage, over-current, and ESD protection.

The MXP4KE82AE3 is an excellent option for protecting your electronics from overvoltage and ESD events. Its 6 Amps peak pulse current capability and 8.2V breakdown voltage offer some of the best protection available, while its P4KE series construction makes it a robust and reliable choice. With its wide application range, it can be used in consumer electronics, automotive, telecom, and power systems.

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