Formare Abandonat Deschis dioda zener wikipedia Danemarca Apartament panică
File:Zener diode symbol.svg - Wikimedia Commons
A Zener regulator has an input voltage that may vary from 22 to 30V.If the regulated output voltage is 12 V and the load resistance varies from 140 Ω to 10 kΩ,
File:Zener diode voltage regulator.svg - Wikimedia Commons