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ID = 17263
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Transmitting Triode, air cooled 
Identical to RK35
Similar Tubes
Other characteristic (electr. data):

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bt)
Filament Vf 7.5 Volts / If 4 Ampere
Description 50W plate dissipation, ceramic isolantite base, tantalum plate and grid. Can be operated full ratings up to 60MHz; up to 120MHz with reduced plate voltage. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Tube Lore (I)

rk35_so.png RK35: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
RK35: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez



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