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5681

Information - Help 
ID = 32664
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitter Triode, liquid-cooling   Power/Output 
Identical to 5681
Predecessor Tubes 298B  

Filament Vf 12 Volts / If 220 Ampere / Direct
Description Water-cooled VHF power triode. Integral jacket to provide both water and forced-air for cooling, giving 75KW anode power dissipation. Self-contained zirconium getter, requiring 8.5A. The tube is intended for high-power AM, FM and TV transmitters, as well as for particle accelerators and industrial heating. 50KW output at frequencies up to 110MHz, 150KW output at 30MHz. 5681 was made by several US manufacturers, including Machlett and Sylvania. 
Weight 19200 g / 677.26 oz
Information source Tube Lore (I)   
- - Manufacturers Literature   
 
5681_1.png
5681: Manufacturer's Literature
Emilio Ciardiello

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