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REN1821

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ID = 105
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Triode, vacuum   Universal 
Identical to REN1821 = A2118 = B2038 = NW180 = A2018 = NU180 = R2018
Similar Tubes
Normally replaceable-slightly different:
  G2018d ; G752 ; R2018d
Heater different:
  REN904
First year 1931 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jun.1931 : Funk Bastler 1931 Heft 25
Successor Tubes CC2  

Base Europe 5-Pin (O5A, B5) (Codex=F)
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Series, DC
Tube prices 3 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  ren1821.gif
  REN1821: Heft "104 Schaltungen" 1947
Egon Strampe
 
d_tfk_ren1821.jpg
REN1821: TK
Thomas Kiechle

 
7_42.png
REN1821: Telefunken Werkstattbuch
Wolfgang Bauer

 
ren1821_spec.png
REN1821: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 2= 1930 ; 1= 1931?? ; 7= 1931? ; 84= 1931 ; 5= 1932? ; 69= 1932 ; 2= 1933?? ; 8= 1933? ; 71= 1933 ; 6= 1934 ; 2= 1935 ; 1= 1936?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):258


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