What is Zener diode?

A diode that provides a constant voltage by using the nearly fixed reverse breakdown voltage.

Field: PN junctions and diodes

Zener diode in the explanations

Questions that mention Zener diode (4)

  1. In a simple voltage regulator using a Zener diode, what is the role of the resistor placed in series with the diode?
  2. What is the purpose of a diode (flyback diode) connected in parallel with an inductive load such as a relay coil?
  3. In which direction is a voltage regulator (Zener) diode normally used in a voltage regulator circuit?
  4. In each pixel of a CMOS image sensor, which element converts light into charge?

Related terms

CMOS image sensor Photodiode Quantum efficiency Avalanche breakdown Built-in potential Conductivity modulation Depletion layer Diffusion capacitance Forward bias Ideality factor

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