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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 = H2618D = NVS183 = VP20 = HP2118 = S2034N = RENS1894
Similar Tubes
Normally replaceable-slightly different:
  20AM1 ; 20AMS ; V3_Ostar
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 / Specified current DC = (Series working)
Information source Taschenbuch zum Röhren-Codex 1948/49   

b2047.gif
B2047: ficha de valvulas
Getulio Jimenez-Gomez

13_4.png B2047: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
b2047_spec.png
B2047: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

More ...
Usage in Models 1= 1932? ; 1= 1932 ; 1= 1933? ; 22= 1933 ; 3= 1934? ; 10= 1934 ; 1= 1935 ; 1= 1950??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):40

Collection of

 
b2047_philips_miniwatt_p01_s.jpg

B2047
 

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