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R202

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ID = 7109
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Half-Wave Rectifier, gasfilled 
  Ca. 1925 up to 1945 rare.
Identical to R202
Similar Tubes
Normally replaceable-slightly different:
  1002
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Mar.1929 : Funk Bastler , Heft 9

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 1.8 Volts / If 2.9 Ampere / Direct
Description Used in chargers for anode accumulators. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
  r202schematic.png
  R202
Peter den Boer
 
r202radiorecord_1_klein.jpg
R202
Geri Meier

 
a_3.png
R202
Peter den Boer

 


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