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F109A

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ID = 55938
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to F109A
Similar Tubes
Normally replaceable-slightly different:
  UX226
Other base:
  F109A_UX4

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.5 Volts / If 1 Ampere / Direct
Information source - - Manufacturers Literature   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

3-b4.png F109A
Peter den Boer


Just Qvigstad
f109adata.png
F109A: own collection
Peter den Boer

 

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