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S431N

Information - Help 
ID = 12980
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to S431N
Similar Tubes
Normally replaceable-slightly different:
  AS4104 ; AS4105 ; AS4125 ; E455 ; H4125D

Base Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type
Filament Vf 4 Volts / If 1 Ampere / Indirect
Dimensions (WHD)
incl. pins / tip
47 x 150 x mm / 1.85 x 5.91 x inch
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
s431n.jpg
S431N: eigene Sammlung HV
Hartmut Völler

 
9_33.png
S431N: Telefunken Werkstattbuch
Wolfgang Bauer

 
triotron_6_5.png
S431N: Triotron Röhrenkatalog von 1942
Wolfgang Bauer



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