Welcome to the Panasonic Electronic Components Zener Diodes product training module. This presentation will provide information on the surge voltage protection and power line overvoltage protection provided by Zener diodes. There will be a review of the types of Zener diodes and examples of surge noise generation will be given. Various forms of surge noise will be presented as well as suggestions for the proper protection solutions. The Panasonic Zener diode product line will be highlighted and the part nomenclature explained.