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866A

Information - Help 
ID = 5820
       
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 866A = CE-866 = GU12 = DQ2 = WL-866A = F-366A = UE-966A = SE-3572 = WT-210-0008 = VT-46A = 2XM600A = P600_Mazda = ML-866A = DR-866A = RK866A = GL866A = RG3-250A = AG866A
Similar Tubes
Normally replaceable-slightly different:
  2V/400A ; 3096 ; 38166A ; 4017a ; AH201 ; DCG3/1000E ; PH600 ; R3_Rectobulb ; TH5021 ; TL1_thermionic ; VH400 ; VH550a
Other class quality (otherwise equal):
  866AX ; CV32
Other base:
  866E
Differences not known by us:
  866EA
Multiple differences or of other kind:
  3B28 ; DCG4/1000G ; DCX4/1000 ; R66 ; SS-866A

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Br) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 2.5 Volts / If 5 Ampere / Direct / Specified voltage AC/DC
Description

Work started on the development of this tube at the GE laboratories in the summer of 1932 and it was assigned the type number early in 1933. It was released to the public in April of that year. The tube has a shielded element structure, which varies in design, depending on the manufacturer.

 
Dimensions (WHD)
incl. pins / tip
x 159 x 64 mm / x 6.26 x 2.52 inch
Tube prices 7 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 80
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49

866-a.png
866A
Egon Strampe
    More ...
866a_so.png 866A: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
866a_2.png
866A: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez

More ...
Usage in Models 1= 1938 ; 1= 1939 ; 1= 1943? ; 1= 1944 ; 1= 1946 ; 1= 1947? ; 1= 1949 ; 1= 1950 ; 1= 1954?? ; 1= 1954 ; 3= 1956 ; 1= 1957?? ; 1= 1957? ; 1= 1957 ; 1= 1960?? ; 1= 1960? ; 1= 1961? ; 1= 1963

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20


Collection of

 
866a_2.jpg

866A
 

Variants

This Philips 866A is much smaller then the American type: D=45 mm, H= 150mm and is in fact a DCG4-1000G.


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