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H208D

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ID = 12744
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to H208D
Similar Tubes
Normally replaceable-slightly different:
  S213
Other base and data slightly different:
  KF2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.18 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 177, p. 306

3_7.png H208D: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
h208d_spec.png
H208D: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 

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