Electronics Curiosities - What is Zener diode and its working? A Zener diode is a silicon semiconductor device that permits current to flow in either a forward or reverse direction. The diode
![How to distinguish a 1N4148 diode from a Zener diode visually? - Electrical Engineering Stack Exchange How to distinguish a 1N4148 diode from a Zener diode visually? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/DWoQim.png)
How to distinguish a 1N4148 diode from a Zener diode visually? - Electrical Engineering Stack Exchange
![Zener diode for overvoltage protection | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA) Zener diode for overvoltage protection | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA)](https://toshiba.semicon-storage.com/content/dam/toshiba-ss-v3/master/en/semiconductor/product/diodes/articles/zener-diode-for-overvoltage-protection_features_1_en.png)