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B443_3SC

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ID = 53582
       
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 B443_3SC
Similar Tubes
Different connections:
  B443_4pin
Other base:
  B443 ; B443_UX4pin

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct /
Description The filament is not connected to the filament pins, but connected to two extra side contacts. This was done to make it easier to transfer a radio set from DC mains to AC mains. 
Dimensions (WHD)
incl. pins / tip
50 x 103 x 35 mm / 1.97 x 4.06 x 1.38 inch
Literature - - Manufacturers Literature   R722H 1-8-1929
 
b443-b4-3sc.jpg
B443_3SC
Peter den Boer

 
b443-a35cfhdata.png
B443_3SC: own collection
Peter den Boer


Collection of a member from D

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