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VH550a

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ID = 50999
       
Country:
France
Brand: SFR (S.F.R.) - Société Française Radio-Électrique; Paris
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to VH550a
Similar Tubes
Normally replaceable-slightly different:
  866A
Other base:
  VH550

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Was used by Industrial
Filament Vf 2.5 Volts / If 5 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
46 x 155 x mm / 1.81 x 6.10 x inch
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 60, p. 81

vh550a_technique_de_l_ingenieur_culot_s.png VH550a: Technique de l'ingénieur
Patrice Zeissloff


Just Qvigstad
vh550vh550adfrdoc_1.png
VH550a: Babani 1951-1954
Patrice Zeissloff

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vh550a_ebay1_s.jpg

 

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