Varicap

Varicap diode
Component typePassive
Invention year1961
First produced1967
First produced byTRW Inc.
Pin namesAnode and cathode
Electronic symbol

A varicap diode, varactor diode, variable capacitance diode, variable reactance diode or tuning diode is a type of diode designed to exploit the voltage-dependent capacitance of a reverse-biased p–n junction.