Set of 10 Diode 1N5349B Diode Zener 12V 5W AXIAL: Amazon.com: Industrial & Scientific
Introduction to Zener Diode, Working, Application, Pinout & Definition - The Engineering Knowledge
File:Diode pinout en fr.svg - Wikimedia Commons
Regulator/ Rectifier Unit - Single Phase 12volt 200watt. Replaces Problematic Zener Diode And Lucas Rectifier For Even Reliable Charging. - Vintage Triumph Parts