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ID = 39487
United States of America (USA)
Brand: Hytron; Salem (MA)
Tube type:  Transmitting Triode, air cooled 
Identical to 3C30
Similar Tubes
Heater different:

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) Top contact with a cap.
Filament Vf 5.6 Volts / If 2.5 Ampere / Direct
Description Transmitting triode; thoriated tungsten filament. 600V at 41mA anode typical, 850V max, -15V grid, mu 85, 25W anode dissipation.
Similar to HY30Z with 6.0V filament. 
Information source Tube Lore (I)   
- - Manufacturers Literature   
3C30: Manufacturer's Literature
Emilio Ciardiello


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