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C408

Information - Help 
ID = 15605
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Electrometer Triode 
Identical to C408
Similar Tubes
Other base:
  C408_P8A
First year 1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=En) Top contact with a cap
Was used by Technology / Measurement
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Battery =
Description Keine Endtriode, wie im Röhren-Codex angegeben. Das dort dargestellte Sockelschaltbild ist ebenso falsch! 
Dimensions (WHD)
incl. pins / tip
48 x x mm / 1.89 x x inch
Literature - - Manufacturers Literature   Philips Datenblatt
  c408.png
  C408: Internet
Miguel Angel Trujillo-Rodriguez
 
c408_philips_nah.jpg
C408
Klaus Rüdiger

 
c408_so.png
C408: rtt
Michael Schlör

 
c408_data.png
C408: Philips Miniwatt 1938
Heinz Höger



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