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Zener Diode
May 03, 2018

Zener diode is a common used diode. Using PN junction to reverse breakdown state, the current can be changed in a wide range and the voltage is basically unchanged. This diode is a semiconductor device with very high resistance until the critical reverse breakdown voltage. At this critical breakdown point, the reverse resistance is reduced to a very small value. The current increases in this low resistance region and the voltage is kept constant. The voltage stabilizer is classified according to the breakdown voltage, because of this characteristic, The regulator is mainly used as a voltage regulator or voltage reference element. A voltage stabilizing diode can be connected in series for higher voltage, and a higher stable voltage can be obtained through series connection.