$0.65
Zener Diode 33V 1W ±5% Through Hole DO-41 NTE147A
1N5225B Zener Diode 3.0V 1/2W 500mW
1N4733A – Zener Diode 5.1 V, 1 W, DO-41, 5 %, 175 °C
Zener Diode, 4.3V, 5W, Case Type 017AA