1N21, Tube 1N21; Röhre 1N21 ID8509, SEMICONDUCTOR, general
SET OF 5 microwave diodes 1N21B (F) 1N21 - $24.95 | PicClick
A NOS Western Electric 1N21 Crystal diode/mixer from 1942, packed in a lead casing. These were used in radar installations duri… | Diode, Crystals, Floating shelves
HF Mischer m 2 x 1N21 Diode Richt Koppler Richtkoppler Electronic Components & Semiconductors clacoaching Other Electronic Components
Electrical Equipment & Supplies Vintage WESTERN ELECTRIC 1N21-A Point Contact DIODE NOS Transistor WE 1N23-A parafiawolabatorska.pl
5 x NOS NIB 1N21 Sylvania Vintage Microwave Mixer Diodes | eBay
1N21 WESTERN ELECTRIC MICROWAVE DIODE X 1PC | eBay
Vintage WESTERN ELECTRIC 1N21-A Point Contact DIODE (1N23-A) NOS Transistor WE | eBay
Vintage Transistors & Diodes
Vintage Transistors & Diodes
1N21 silicon rectifier/silicon diode | 102711178 | Computer History Museum
White Noise Generators
SET OF 5 microwave diodes 1N21B (F) 1N21 - $24.95 | PicClick
Navid Elc. Ind. - 1N21 - USA
Pile Nice Gold 1N21 1N23 Ge Crystal Diode f/ Old Vintage Ham Radio Tube Receiver | #3762724170