MXP5KE6.5A

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TVS – Diodes can effectively protect any sensitive electronic equipment from transient surges in the open air or conducted along cables. The MXP5KE6.5A is a 600W unidirectional low capacitance transient voltage suppressor (TVS) diode designed for secondary protection of electronic equipment against transients in over-voltage conditions. This device meets the requirements of IEC 61000-4-2 international surge immunity standard. This article describes the application field and working principle of the MXP5KE6.5A.

The 600W MXP5KE6.5A TVS diode provides a low-voltage clamping to help protect sensitive data and system components from electrical overstress damage resulting from transients. The device\'s active clamping action provides optimal protection from transient over-voltage conditions that often cause permanent damage to ICs, FPGAs, processors, MOSFETs and other sensitive components. In over-voltage conditions, the device operates at a very high speed to divert the transient current away from the protected system.

The MXP5KE6.5A is suitable for damping or damping surge suppression of voltage generated by static electricity. The device is easy to install and requires minimal space, so it can be used in many applications. It can be used in power systems, computer systems, automotive systems, telecom systems, and other systems that require protection against transient over-voltage conditions.

The working principle of the MXP5KE6.5A TVS diode is based on Junction Avalanche Breakdown (JAB), which occurs when the breakdown voltage exceeds the PN junction\'s reverse voltage. A reverse voltage applied to the PN junction causes the electric field across the junction to increase, which will create large numbers of electron/hole pairs. This will create a large number of conductive channels in the junction, allowing for a large amount of current flow. This current flow is limited due to the parasitic capacitances of the diode. The current flow is clamped at a defined level, which is determined by the breakdown voltage of the diode. The clamping voltage is adjustable based on the value of the external resistor connected to the device.

The low capacitance of the MXP5KE6.5A helps reduce noise induced by AC line switching and minimizes system derating due to line transients. This makes it suitable for high-frequency digital systems such as video, data, audio, and Ethernet. The device is rated for 600W peak pulse power, and is available in two lead-forms – DO-214AC and MELF.

The MXP5KE6.5A TVS diode is an effective solution for secondary protection of electronic equipment against transients in over-voltage conditions. It is suitable for damping voltage generated by static electricity, and has a low capacitance which helps reduce noise and minimizes system derating due to line transients. This makes it suitable for high-frequency digital systems, and offers peak pulse power of 600W.

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