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B2047

Information - Help 
ID = 2465
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to B2047 = RENS1894 = H2618D = NVS183 = VP20 = HP2118 = S2034N
Similar Tubes
Normally replaceable-slightly different:
  20AM1 ; 20AMS
Heater different:
  E447
Other base:
  NVS183_B5+1
First Source (s)
Apr.1933 : Philips Bulletin
May.1933 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
Predecessor Tubes B2045  
Successor Tubes CF2  
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Series, DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
  b2047.gif
  B2047: ficha de valvulas
Getulio Jimenez-Gomez
 
b2047_philips_miniwatt_p01_s.jpg
B2047: Collection Patrice ZEISSLOFF
Patrice Zeissloff
 
13_4.png
B2047: Telefunken Werkstattbuch
Wolfgang Bauer
 
b2047_spec.png
B2047: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

from Just Qvigstad
Usage in Models 1= 1932? ; 1= 1932 ; 1= 1933? ; 22= 1933 ; 2= 1934? ; 10= 1934 ; 1= 1935 ; 1= 1950??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):39
Collection of Thomas Lebeth (A)
Collection of Patrice Zeissloff (F)
Collection of Wolfgang Bauer (A)
Collection of Tomasz Szczesniak (PL)
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