![Do you have an idea how to identify this faulty zener diode? It's from automotive PCB and it was marked as "ZD" on PCB. It is damaged (0Ohms in both directions) so Do you have an idea how to identify this faulty zener diode? It's from automotive PCB and it was marked as "ZD" on PCB. It is damaged (0Ohms in both directions) so](https://preview.redd.it/do-you-have-an-idea-how-to-identify-this-faulty-zener-diode-v0-ij7op4w6csf81.jpg?width=640&crop=smart&auto=webp&s=1c5be25b33e17c2a22e189a9374fef080b517d3a)
Do you have an idea how to identify this faulty zener diode? It's from automotive PCB and it was marked as "ZD" on PCB. It is damaged (0Ohms in both directions) so
![Glass zener diode identification - Discrete Semiconductor Products - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key Glass zener diode identification - Discrete Semiconductor Products - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/3X/3/5/35952ccf875a1c4f79ca57de75dff3689c262f98.jpeg)
Glass zener diode identification - Discrete Semiconductor Products - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
![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)