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869

Information - Help 
ID = 7484
       
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 869 = SE-3071 = WL-684A = 569 = 881
Similar Tubes
Normally replaceable-slightly different:
  38169
Other class quality (otherwise equal):
  VT-39
Successor Tubes 869A  

Base Pin-and-blade jumbo (3 contacts) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 20 Ampere / Direct
Description

20KV PIV, forced air cooling. Pin-and-blade jumbo base.
Amperex, GE and RCA known sources.
First introduced Dec. 1928.

 
Dimensions (WHD)
incl. pins / tip
x 347 x 128 mm / x 13.66 x 5.04 inch
Weight 476 g / 16.79 oz
Information source Tube Lore (II)   p. 80
Tube Lore (I)   
Taschenbuch zum Röhren-Codex 1948/49

869.png 869: Manufacturer's Literature
Emilio Ciardiello


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