$0.60
Zener Diode 6.0V 1/2 Watt DO-35 NTE5012A
1N4739A Zener Diode 9.1V 1W DO-41 NTE139A
1N4737A Zener Diode 7.5V 1W DO-41 NTE138A
1N4738A Zener Diode 8.2V 1W DO-41