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
Freescale Semiconductor 1N5359BG Single Zener Diode Pin, 24V, 5% Tolerance, 5W, 2-Pin Case, 017AA-01 Bulk, 3.68 mm H x 8.89 mm L x 3.68 mm W (Pack of 20): Amazon.com: Industrial & Scientific