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ID = 53582
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:
Other base:
  B443 ; B443_UX4pin

Base Europe 4-Pin B4 + side contact Side contacts.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct

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
Information source - - Manufacturers Literature   R722H 1-8-1929
-- Collector info (Sammler)   

Just Qvigstad
B443_3SC: own collection
Peter den Boer

Collection of

Collection of a member from D


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