$0.60
Zener Diode 6.0V 1/2 Watt DO-35 NTE5012A
1N4737A Zener Diode 7.5V 1W DO-41 NTE138A
Vishay, Zener Diode 75 Volt 1.3 Watt
Zener Diode 9.1V 500mW ±5% Through Hole DO-35