1N4746 pdf 1N4746 datasheet 1W Silicon Planar Zener Diode. Nominal Zener Voltage Vz = 18 V. Test Current Izt = 14 MA. 1.012 Diodes Reference/Regulator Diodes General-Purpose American Microsemiconductor 1N4746 available at
1N4746A Zener Diode 18 V 1 W ±5% Through Hole DO-41:Datasheet, Mark information, and Equivalents