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ID = 15181
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Tube type:  Transmitting Triode, air cooled   UHF 
Identical to GL3C22 = CV999 = 3C22
Predecessor Tubes 3C29  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ucb)
Filament Vf 6.3 Volts / If 2 Ampere / Indirect

UHF disc-sealed power triode. Integral anode radiator for forced air cooling. Mu 40, 125W plate dissipation, 1400 MHz max frequency. Anode, grid and cathode (RF) connected to disk-type terminals.
Note: Pin 2 (heater) may be internally connected to pin 5 (cathode D.C.) through getter.

Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Tube Lore (I)
Emilio Ciardiello

GL3C22: ARRL Handbook 1972
Michael Schlör

GL3C22: Manufacturer's Literature
Emilio Ciardiello

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