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WN4

Information - Help 
ID = 15076
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum   Universal 
Identical to WN4
Similar Tubes
Normally replaceable-slightly different:
  E438 ; NW4

Base Europe 5-Pin (O5A, B5) (Codex=F)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel / series AC/DC
Dimensions (WHD)
incl. pins / tip
48 x 107 x 48 mm / 1.89 x 4.21 x 1.89 inch
Weight 40 g / 1.41 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
wn4_triotron.jpg
WN4: Sammlung EE
Ernst Erb

 
triodeindirektb5.png
WN4: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth

 
wn4_daten_kennlinie.png
WN4: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth



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