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416D

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ID = 2834
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitting Triode, air cooled   SHF/EHF (>3 GHz) 
Identical to 416D
Predecessor Tubes 416C  

Filament Vf 6.3 Volts / If 1.18 Ampere
Description Planar triode, gold plated body; top pin to anode, threaded grid ring, four pin base. Initially glass spacers, later BeO ceramic. Mu 250, Gm 65 mS; selected for 5W out power at 4GHz. 
Literature Tube Lore (I)   
 
416d_a1e.jpg
416D: Private collection
Emilio Ciardiello

 
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416D
Emilio Ciardiello

 


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