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S209

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ID = 10230
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to S209 = KF3

Base Europe side contact P8A (Au P, 8SC) (Codex=Su)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.05 Ampere / Direct / Battery =
Information source Babani, International Radio Tube Encyclopaedia   P. 140 & 141
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 177, p. 306
Taschenbuch zum Röhren-Codex 1948/49

40_1.png S209: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1941

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
ro_triotron_s209.jpg

 

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