Switching diode (also called a Pulse diode) – semiconductor diode used in pulse (discrete) systems. It mainly works as a keying device,
Variable capacitance diode Variable capacitance diode (Varicap diode also called Varactor diode) – a type of semiconductor diode with a special construction. Its ability
Rectifier diode – semiconductor diode designed for rectifying alternating current (mostly with low power frequency – 50 Hz at high power emitted during load).
Light-emitting diode (LED, LED diode) – type of semiconductor diode, that also belongs to the category of optoelectronic components. Typical LED’s construction is