MXLP5KE28A

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TVS- diodes are an essential component in electronic systems, offering reliable protection against electrical surges. The MXLP5KE28A is a TVS diode from Microsemi Corporation that provides superior transient protection against voltage spikes caused by lightning, electrical noise, or power-crossing. This diode is designed to protect equipment from up to 28 V transient overvoltages. In this article, we\'ll discuss the application field and working principle of the MXLP5KE28A.

Application Field

The main application field of the MXLP5KE28A diode is primary and secondary circuit protection. It is suitable for power supplies, instrument accessory circuits, lighting circuits, and input/output interface circuits. It can also be used in rectifiers, automotive electronics, and telecommunications equipment. This diode is designed to be used in parallel with other power components, such as transistors, diodes, or resistors. The parallel connection increases the protection capability of the diode.

Working Principle

The working principle of the MXLP5KE28A is based on the avalanche breakdown of the diode when the reverse voltage exceeds the avalanche breakdown voltage. The breakdown voltage is the voltage at which the diode breaks down and allows current to flow in the reverse direction. When the voltage exceeds the rated avalanche breakdown voltage, the MXLP5KE28A diode begins to conduct. As the current increases, the diode generates a large amount of heat, which limits further current conduction. This, in turn, limits the voltage of the induced voltage spike. Thus, the diode effectively clamps the voltage spike to a safe level.

In addition to providing protection against transient overvoltages, the MXLP5KE28A has a number of other useful features. It has a low leakage current, which helps to reduce power loss in the system. The diode can also handle high surge currents, which makes it suitable for use in high-current applications. Furthermore, the diode is designed to provide ESD protection, which is essential in modern electronic systems.

The MXLP5KE28A is a versatile and reliable TVS diode, offering superior protection against transient overvoltages. Its application field covers a wide range of electronic systems, and its features make it an ideal choice for those applications. Its avalanche breakdown voltage and hardline clamping capability make it particularly suitable for protecting insensitive electronic components from transient surges.

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