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C443N-serie250_UY

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ID = 55172
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to C443N-serie250_UY
Similar Tubes
Other base:
  C443N-serie250

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Specified current AC/DC ~ = (Series working)
Information source - - Manufacturers Literature   Philips Australia

14a-uy-c-d43_4.png C443N-serie250_UY
Peter den Boer


Just Qvigstad

Collection of

 
c443_data.png

 

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