BZX79 series - Voltage regulator diodes AXIAL 2-Pin
Silicon Zener Diode 5.1V 0.5W 2-Pin AXIAL DO-35
Zener Diode Single 5.1V 5% 500mW DO-35
Zener Diodes Diode Zener Single 5.6V 2% 500mW 2-Pin