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ID = 54762
United States of America (USA)
Developer: Amperex; New York 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 866AX
Similar Tubes
Other class quality (otherwise equal):
  866 ; 866A

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 / Specified voltage AND current AC/DC

Peak inverse 10000 V
Peak anode max 1 A
Average anode max 0.25 A

This tube first made in 1952, with a smaller ST shape bulb.

Dimensions (WHD)
incl. pins / tip
52 x 167 x mm / 2.05 x 6.57 x inch
Information source -- Original prospect or advert   Richardson, 1994
Tube Lore (II)   p. 80

866~~2.png 866AX: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad
Usage in Models 1= 1961

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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