1N747 Zener Diode Pinout, Datasheet, Features and Example Circuits
Diode Polarity Marking - EEWeb
How to identify the terminals of a Zener diode - Quora
MA3200WA 1 pair common cathode Zener Diodes 20V 200mW/0.2W SOT23-20V marking 20A constant voltage/constant current|Welcome to Eric Online Store - Shenzhen ERIC Electronics Co., Ltd.
Diode as a circuit element (article) | Diode | Khan Academy
Diodes - SparkFun Learn
How to identify the terminals of a Zener diode - Quora