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GL559

Information - Help 
ID = 6650
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Signal Diode - one single system   UHF 
Identical to GL559 = 2B22 = GL2B22 = 559

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uc)
Filament Vf 6.3 Volts / If 0.75 Ampere / Indirect
Description This is the early GE code for 2B22 lighthouse planar diode. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   
 
2b22_2.png
GL559: Manufacturer's Literature
Emilio Ciardiello

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