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F708

Information - Help 
ID = 30057
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to F708
Similar Tubes
Other base and data slightly different:
  CX310 ; UX210

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
55 x 140 x mm / 2.17 x 5.51 x inch
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 138
- - Manufacturers Literature   

b4direct_9.png F708
Peter den Boer


Just Qvigstad
f708data1.png
F708: own collection
Peter den Boer

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