![identification - glass diode marking has two bands not mentioned in datasheets - Electrical Engineering Stack Exchange identification - glass diode marking has two bands not mentioned in datasheets - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/pq4da.jpg)
identification - glass diode marking has two bands not mentioned in datasheets - Electrical Engineering Stack Exchange
![Marking Diode Polarity. A silkscreen-layer arrow is the best… | by Tom Anderson | Tempo Automation | Medium Marking Diode Polarity. A silkscreen-layer arrow is the best… | by Tom Anderson | Tempo Automation | Medium](https://miro.medium.com/v2/resize:fit:1400/1*ZQX0sFM5UQIkezWVHHs_pw.png)
Marking Diode Polarity. A silkscreen-layer arrow is the best… | by Tom Anderson | Tempo Automation | Medium
![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://forum.digikey.com/uploads/short-url/7E0UxFUWFVr4jVeWuychQJrjLAI.jpeg?dl=1)
Glass zener diode identification - Discrete Semiconductor Products - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
![identification - Help identifying a component in glass housing (looking like a resistor) and markings "PH 41 48" - Electrical Engineering Stack Exchange identification - Help identifying a component in glass housing (looking like a resistor) and markings "PH 41 48" - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/7Qg0Q.png)
identification - Help identifying a component in glass housing (looking like a resistor) and markings "PH 41 48" - Electrical Engineering Stack Exchange
![Is this (the grey one) a diode? It says"EZ (lot of blanks) 12" on it, the blank is marking that has disappeared. : r/AskElectronics Is this (the grey one) a diode? It says"EZ (lot of blanks) 12" on it, the blank is marking that has disappeared. : r/AskElectronics](https://external-preview.redd.it/92YLF00kiMktrCT3iShB6aTmSb-gxbZW-BACkGYgAhs.jpg?auto=webp&s=8212bbf25c400306f16ac3d4283721aefd8cb059)