early Z2A91F 9.1 volt zener diode by STCThe central "A" indicates these are manufactured to be a 1% tollerancenote one thicker lead and coloured sleeves... awaiting further info on this early package, please email if you know anything !Status: NOS ( New Old Stock) Circa 1960's ..
C10PH Zener diode 10V I max : 1.3w in a DO-41 casegeneric 10 V zener, just marked C10PH, which causes some confusion, as PH indicates a Philips item. same as BZX79-C10Status: NOS (New Old Stock)RoHS: no
Military grade JAN1N3021B 11 Volt 1Watt 5% zener diode in a DO-13 (DO-202) pckage by Semicon. Inc Awaiting Semicon datasheet - please download Microsemi 1N3021B datasheet:Status: NOS (New Old Stock) marked CDKF from ex military supplier. NSN: 5961-00-892-0920