A semiconductor that allows current to flow in one direction only. It is a two-terminal device which has nonlinear and asymmetrical (about zero) voltage versus current characteristics.

The Ideal Diode

The Real Diode


The positive terminal of a diode.

Blocking Diode

A diode connected in series with a solar cell or cells and a storage battery to keep the battery from discharging through the cell when there is no output, or low output, from the solar cell.

See also: Diode Drop, Diode Transistor Logic, Hot Carrier Diode, Junction Diode, Laser Diode, Light Emitting Diode, Photodiode, PIN Diode, Point Contact Diode, Rectifier, Schottky Diode, Series Diode Detector, Silicon Controlled Rectifier, Tunnel Diode, Zener Diode.

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Subjects: Electronics

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