HUABAN 10PCS 1N5333B 1N5333 Power Zener Diode 5W 3.3V DO-15(CASE17-02) Axial Diodes 5 Watt 3.3 Volt: Amazon.com: Industrial & Scientific
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