MX15KP120A

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Transient Voltage Suppressors (TVS) are a type of semiconductor diode that provides a quick and efficient solution to overvoltage protection. The MX15KP120A is one such diode that combines protection against high-energy transients with low capacitance. Its applications span across a wide range of industries, and its working principles are based on reverse-biased Avalanche breakdown.

This miniaturized unidirectional diode offers highly reliable protection against ESD, EFT, and lightning. Withstanding a surge peak current of up to 15 kA, this device is designed to protect any temperature-sensitive component, arcing, and wiring. It can also be used as a voltage clamp for reverse supply lines. MX15KP120A diode is ideal for electric power supplies, communication systems, integrated components, DC power lines, and other connecting equipment.

The success of this TVS diode lies in its working principle. Its Avalanche breakdown is a “cold” mechanism and occurs when carriers are accelerated by a strong electric field and produce larger numbers of additional carriers that also contribute to the multiplication process. This process appears as a sudden increase in the reverse-bias current, resulting in a speedy voltage clamping action. This mechanism absorbs most of the surge current before it can damage the attached components.

The MX15KP120A diode’s Avalanche breakdown is designed to prevent a voltage surge from compromising the sensitive parts of the system. The 350V reverse standoff voltage provided by the diode ensures a comfortable safe operating voltage. It also has an extremely low capacitance of 0.4pF, allowing it to reduce ESD transients with minimal interference with the system’s high-frequency signals. In addition, it is housed in a SOD-883 package, making it suitable for high-density board mountings.

The MX15KP120A diode is suitable for a range of applications requiring high protection against high-energy transients. Its miniature size, reliable protection against ESD, EFT, and lightning, and reverse-biased Avalanche breakdown make it a competitive choice when searching for an ideal TVS protection solution.

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