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A2040N

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ID = 18399
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Developer: Triotron (tubes) = Brand of Schrack, Austria 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to A2040N
Similar Tubes
Normally replaceable-slightly different:
  B2099 ; REN1814

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect
Information source Babani, International Radio Tube Encyclopaedia   p. 46 & 47
- - Manufacturers Literature   1935
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

7_78.png A2040N: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
a2040ndata.png
A2040N: own collection
Peter den Boer

 

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