Parameters, Identification and Applications of Zener Diode
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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.
Zener Diodes - Infographic | TTI, Inc.
What is the actual symbol for zener diode? - Quora