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ID = 31708
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Beam Power Tube   beam power   RF/IF-Stage 
Identical to S6F17 = CV4040
Similar Tubes
Other class quality (otherwise equal):
  5A/210K ; 6F17 ; CV416 ; VX6055
First Source (s)
Feb.1958 : - - Manufacturers Literature Tentative data sheet

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AC/DC
Description Pulse and RF Beam Tetrode
Va <600; Pa <3.5W 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
19 x 54 x mm / 0.75 x 2.13 x inch
Information source - - Manufacturers Literature   

s6f17_so.png S6F17: rtt
Anonymous 10 Collector

Just Qvigstad
S6F17: Original data sheet
Otto Galli

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