1N747 Zener Diode Pinout, Datasheet, Features and Example Circuits
identification - Help identifying a component in glass housing (looking like a resistor) and markings "PH 41 48" - Electrical Engineering Stack Exchange
Antique Radio Forums • View topic - identify glass diodes?
manufacturing - How are glass diodes produced? - Electrical Engineering Stack Exchange
Diode Identification
Glass zener diode identification - Discrete Semiconductor Products - Engineering and Component Solution Forum - TechForum │ Digi-Key
Glass Diode identification
Diode - Wikipedia
identification - glass diode marking has two bands not mentioned in datasheets - Electrical Engineering Stack Exchange