semiconductor diode

semiconductor diode

A two-element, solid-state electron check valve made of silicon or germanium, doped with appropriate impurities. Electrons can either flow through a semiconductor diode or not flow through it depending upon the polarity of the voltage across it.

When the diode is forward-biased, with the positive voltage connected to the anode, and the negative voltage to the cathode, electrons flow through it. But, when it is reverse-biased, with the negative voltage connected to the anode, electrons do not flow through it.

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