8.2V Zener Diode - 500mW [1N5237] (pack of 10): Buy Online Electronic Components Shop, Price in India : electroncomponents.com
Zener Diode 3.3V - Crownhill.co.uk
1N754A - Multicomp Pro - Zener Single Diode, 6.8 V, 500 mW
Zener Diodes Kit, 1W Power Diode Assorted Assortment Box Kit Set (3.3V/3.6V/3.9V/4.3V/4.7V/5.1V/5.6V/6.2V/6.8V/7.5V), Range 1N4728~1N4737,Pack of 200, By Ltvystore: Amazon.com: Industrial & Scientific