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Physics · Ch 9 — Semiconductor Electronics
A Zener diode is a heavily doped silicon diode, named after its inventor C. Zener, specifically designed to be operated in the (otherwise destructive) reverse breakdown region -- its doping level can be tuned to give breakdown voltages ranging from as low as 2 V to over 1000 V. Physically it looks lik …
What this figure shows. Panel (a) is a photograph-style drawing of a real Zener diode component, a small cylindrical body with two wire leads, its cathode end identified by a black ring painted around the body. Panel (b) is its circuit symbol: the ordinary diode arrowhead-and-bar, but …