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B2045

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ID = 2463
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to B2045 = RENS1819 = 20C2_Ultron
Similar Tubes
Normally replaceable-slightly different:
  38VM ; NVS180 ; S2012N ; SE2018d
First year 1931 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Sep.1932 : Philips Bulletin #D2
Apr.1932 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
Successor Tubes B2046   B2047  

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) 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 L'ABCDaire des lampes de TSF des jeunes années   p. 31
Babani, International Radio Tube Encyclopaedia   p. 54 & 55
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

b2045.png
B2045: Internet
Miguel Angel Trujillo-Rodriguez

9_8.png B2045: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
b2045_spec.png
B2045: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

More ...
Usage in Models 1= 1932? ; 9= 1932 ; 1= 1933?? ; 8= 1933

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19

Collection of

 
b2045_01.jpg

B2045
 

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