Definition of Zener diode:
The name of Zener diode was named after the American physicist clearance melvin Zener who discovered the special type of Zener effect. The Zener diode is widely used in all kinds of electronics equipment and mainly used in protecting electronic circuit from overvoltage.
The Zener diode is normal semiconductor type P-N junction diodes operating in reversely biased conditions. The Zener diode is always connected in reverse direction because it is specially designed to work in reverse direction. In other words, the diode which is specially designed for optimizing the breakdown region is known as the Zener diode. The breakdown voltage of the Zener diode is carefully set by controlling the doping level during manufacture.
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| Zener Diode Symbol |