18V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-35, GLASS PACKAGE-2
Zener Diode, 51V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-204AH, GLASS, DO-35, 2 PIN
Zener Diode, 18V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-204AH, GLASS, DO-35, 2 PIN