Uploaded July 2023 | Updated September 2026, 1 week ago

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Correcting some misconceptions about a Zener diode as a perfect voltage limiter, regulator or reference. Many beginners believe, that its reverse voltage drop (Zener voltage) is absolutely stable. In reality, the Zener voltage can vary depending on the reverse current and the temperature. Measuring the real life current–voltage characteristics of some Zener diodes.

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