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S2031N

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ID = 12989
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to S2031N
Similar Tubes
Normally replaceable-slightly different:
  B2055

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 140 & 141

9_10~~10.png S2031N: Fin Stewart
Fin Stewart


Just Qvigstad
 

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