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4BN4

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ID = 4403
       
 
   
Tube type:  Triode, vacuum   VHF 
Identical to 4BN4
Similar Tubes
Heater different:
  3BN4 ; 6BN4

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 4.2 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Essential Characteristics, GE 1973   

mi117_g.gif 4BN4: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
4bn4_techdat.png
4BN4: Essential characteristics
Peter Hoddow

 

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