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SD2

Information - Help 
ID = 14803
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum 
Identical to SD2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.14 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
triotron_sd2.jpg
SD2: O.F.
Otto Frosinn

 
triodedirektb4_6.png
SD2: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth

 
sd2_daten_kennlinie.png
SD2: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth


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