V6KL45DU-M3/H Discrete Semiconductor Products

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The V6KL45DU-M3/H is an advanced rectifier module manufactured by Infineon Technologies. This device is an array of six 3A schottky rectifier diodes, each with a maximum voltage rating of 45V. The V6KL45DU-M3/H is designed for use in switched-mode power supplies (SMPS). Its primary uses are for the efficient rectification and the protection of the voltage rail of power semiconductors in SMPS applications.

The principle of operation of the V6KL45DU-M3/H can be broken down into three parts: rectification, protection, and reliability.

The rectification process works by permitting the desired flow of current as positive half-cycles of the alternating current (AC) input. When the negative half-cycles of the AC input arrives, the rectifier diodes only allow the current flow in one direction, thereby decreasing the input AC current to a direct current (DC) output. This DC output is then available for use in the SMPS application.

The protection process of the V6KL45DU-M3/H works by limiting the voltage of the voltage rail it is connected to. The six rectifier diodes are connected in parallel, and each diode can handle a maximum of 45V in reverse bias. This ensures that the voltage rail of the SMPS is not excessively voltage-clamped, thereby preventing the destruction of power semiconductors from overvoltages.

The reliability of the V6KL45DU-M3/H is further increased by its maximum operating temperature of 125°C. This temperature is far above the upper temperature operating limits of most SMPS designs, ensuring its reliable operation over a range of environmental conditions.

The V6KL45DU-M3/H is thus an ideal device for any SMPS designer who needs a reliable rectifier that is also capable of limiting the voltage rail of the SMPS to safe levels. Its use in power semiconductor applications ensures the continued operation of the SMPS in extreme environmental conditions.

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