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C643_UX4

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ID = 53694
       
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 very rare. ***
Identical to C643_UX4
Similar Tubes
Other base:
  C643 ; C643_UY

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
50 x 108 x 35 mm / 1.97 x 4.25 x 1.38 inch
Information source - - Manufacturers Literature   

b443-c643-d243ux4base.png C643_UX4
Peter den Boer


Just Qvigstad
c643data1_1.png
C643_UX4: own collection
Peter den Boer

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c643-ux4.jpg

 

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