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ID = 5818
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 673
Similar Tubes
Other base:
  673F ; 673G
Multiple differences or of other kind:

Base Super Jumbo (4 pin) with Bajonett B4D Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 10 Ampere / Direct

15KV PIV, 1.5A average.

Dimensions (WHD)
incl. pins / tip
x 288 x 97 mm / x 11.34 x 3.82 inch
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 143 & 144
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

673: Manufacturer's Literature
Emilio Ciardiello

673_sockel.png 673: Essential characteristics
Peter Hoddow

Just Qvigstad
673: RCA Transmitting Tubes TT-5
Emilio Ciardiello

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