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866

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ID = 6869
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 866 = UX866 = RK866 = 566 = X866 = HX-966 = HY866 = E766 = T-866 = SE3069 = CAY3069 = ESU866 = PJ-28 = WL-421 = VT-46
Similar Tubes
Normally replaceable-slightly different:
  38166 ; DCG3/1000E ; G-866C ; GMD202 ; RaySX-866 ; SE-3069
Other class quality (otherwise equal):
  866AX ; CV32
Other characteristic (electr. data):
  PR866
Other base:
  ESU866/ES
Successor Tubes 866B  
Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Br) Top contact with a cap.
Was used by Industrial
Filament Vf 2.5 Volts / If 5 Ampere / Direct / Specified voltage AND current AC/DC
Description

Tube designation given by GE in October 1928. Tubes were still listed with the S19 bulb, in some literature, until 1938 but the bulb was generally replaced by the ST19 size in the mid 1930's

 
Dimensions (WHD)
incl. pins / tip		 x 159 x 64 mm / x 6.26 x 2.52 inch
Weight 75 g / 2.65 oz
Tube prices 1 Tube prices (visible for members only)
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 60, P. 80 & 81
Tube Lore (II)   p. 79
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
866.png
866: Internet
Miguel Angel Trujillo-Rodriguez
866_so.png 866: ARRL Handbook 1972
Anonymous 10 Collector
More ...
Just Qvigstad 		866a_ge_1_1.png
866: Manufacturer's Literature
Emilio Ciardiello
More ...
Usage in Models 1= 1932? ; 1= 1934? ; 3= 1934 ; 1= 1935 ; 1= 1936 ; 1= 1937? ; 2= 1937 ; 1= 1939? ; 3= 1939 ; 1= 1945?? ; 1= 1948 ; 1= 1949 ; 1= 1950 ; 1= 1951 ; 1= 1957?? ; 1= 1958 ; 1= 1960
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):22

Collection of

Collection of a member from USA
Eduardo Omar Fernandez (RA)
Rudolf Osterkamp (D)
Fin Stewart (AUS)
Michael Gnaedig-Fischer (MEX)
Georges Werts (B)
 
rca_866.jpg

866
 
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