A rectifier diode is a semiconductor device used to convert alternating current to direct current. The most important characteristic of diodes is unidirectional conductivity.
A rectifier diode is a semiconductor device used to convert alternating current to direct current. The most important characteristic of diodes is unidirectional conductivity. In a circuit, current can only flow in from the positive pole of the diode and out from the negative pole. Usually, it contains a PN junction with positive and negative terminals. Its structure is shown in the figure below.
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