Question

What is zener breakdown
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Answer 1

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In electronics, the Zener effect (employed most notably in the appropriately named Zener diode) is a type of electrical breakdown, discovered by Clarence Melvin Zener. It occurs in a reverse biased p-n diode when the electric field enables tunneling of electrons from the valence to the conduction band of a semiconductor, leading to a large number of free minority carriers which suddenly increase the reverse curre

Answer 2

Due to this highly intensified electric field, a number of the covalent bonds in the p-n junction break-off releasing their valence electrons. In this way, valence electrons get excited and migrated to the conduction band leading to an abrupt increase in the current flow through the diode. This phenomenon is referred to as Zener Breakdown, and the corresponding voltage is called Zener Breakdown Voltage

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