Diagram Of A Zener Diode
What is a Zener diode?
A Zener Diode is designed to have a specific breakdown voltage so that it will conduct current in reverse when the cathode reaches its threshold voltage. The breakdown voltage can be as low as 2.4V to as high as 1kV.
The cathode is typically connected to a positive voltage. The Zener Diode will not conduct electricity from the cathode to the anode until the breakdown voltage is reached. The anode is typically connected to the ground. If a positive voltage is applied to the anode, it will conduct like a regular diode.
What are Zener diodes used for?
Zener Diodes can be used in circuits designed for voltage regulation, as a voltage reference, surge suppressors, switching signals, and clipping waveforms.
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