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Electrical installation work in Belarus! Reliable, high-quality, fast. More details: https://e220.by Join our VKontakte group: https://goo.gl/3edH8g Help the project: https://goo.gl/7Aepqb This lesson examines a semiconductor zener diode. We study the operating principle of a zener diode, the internal structure of a zener diode, connection diagrams, the selection of limiting resistors for a zener diode, analyze the characteristics of a zener diode, its purpose, types and types, UGO of a zener diode. We look at how a zener diode burns out, etc.