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C443N/S

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ID = 74798
       
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/S
Similar Tubes
Normally replaceable-slightly different:
  C443N-serie250

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC
Description

Vg1: -18V

Vg2: 150V

Va: 300V

 
Information source - - Manufacturers Literature   


Just Qvigstad
c443_data.png
C443N/S: Babani
Jacob Roschy

 

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