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851

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ID = 17027
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 851 = PR-51-A = CG-2172
Similar Tubes
Normally replaceable-slightly different:
  38151 ; CV2671 ; GL-851 ; VT-41

Base Pin-and-blade jumbo (3 contacts) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 15.5 Ampere / Direct / Specified voltage AC/DC
Description

T48 stepped bulb with cap; blade-and-pins base; thoriated tungsten filament. Mu 20.5, 750W, 3MHz.
Amperex, Collins, GE, RCA, Sylvania, United and Westinghousea among known sources.

 
Dimensions (WHD)
incl. pins / tip
x 444 x 173 mm / x 17.48 x 6.81 inch
Information source Tube Lore (II)   p. 79 & 182
Tube Lore (I)   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

851_pin.png 851: Manufacturer's Literature
Emilio Ciardiello

More ...

Just Qvigstad
851.png
851: RCA Technical Manual TT3
Miguel Angel Trujillo-Rodriguez

More ...

Collection of

 
ad_pic_sylvania_851_electronics_oct_1933.jpg

851
 

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