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ID = 32090
United States of America (USA)
Brand: Eimac (brand name)
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 3CX100A5 = 7289
Similar Tubes
Multiple differences or of other kind:

Base COAXIAL in general (X..)
Filament Half indirect / Parallel, (AC/DC)
Description Air-cooled Cermet UHF transmitting triode for operation to 3 GHz. Cermet version of 2C39, unilateral replacement for 2C39A.
First announced in Electronics, September 1957, pg.278. 
Literature -- Collector info (Sammler)   
Tube Lore (I)   
3CX100A5: Manufacturer's Literature
Emilio Ciardiello

3CX100A5: M.S.
Michael Schlör

3CX100A5: orig. data sheet Eimac
Michael Schlör

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