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Diodes - Rectifiers - Single

The CDBUR0140L is a Schottky barrier rectifier diode, used as a discrete part or contained in larger power modules. It is an electronic device that converts alternating current (AC) to direct current (DC). This type of diode is suitable for use in power supplies and the switching speed is significantly higher than the typical silicon rectifier diode.

Application field

This type of diode is mainly used in rectification applications such as AC-DC converters, solar systems, power supplies, etc. It is also used in high voltage systems such as lighting systems. It is used in some military applications because of its high reliability. Its rectification efficiency is much higher than that of a typical silicon diode and it has a very low forward voltage drop. This makes it an ideal choice for applications where low power dissipation is a major factor.

Working principle

A Schottky barrier rectifier is made from a semiconductor junction that has a very small barrier energy. This small energy barrier ensures a very low forward voltage drop, which results in reduced power dissipation. The diode is biased by a voltage just above the barrier energy and any forward current will be conducted through the diode. This causes the diode to be turned on and direct current (DC) can be produced. When the forward voltage is removed, the diode is turned off and the current returns to zero.

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