What are the applications of Zener diode?

There are some important applications of Zener diode which are given below,

Zener diodes are used in clipping and clamping circuits especially peak clippers.
Zener diode is used for meter protection against damage from accidental application.
It is used in as a fixed reference voltage in transistor biasing circuits.
It is used in power supply circuits.
It is used in Surge suppression circuitry for device protection.

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