FU33 FU-33 833C 833A RF Power tube Electron tube Glass triode tube amplifier parts
Tube type: Transmitting Triode, air cooled
Identical to 833
Similar Tubes
Normally replaceable-slightly different:
CV635
First Source (s)
Oct.1937 : -- Original-techn. papers.
Successor Tubes 833A
Base SPECIAL TUBEBASE in general (Codex=sp)
Filament Vf 10 Volts / If 10 Ampere / Direct
Description Air cooled, all glass transmitting power triode. Thoriated tungsten filament, tantalum plate; 300W anode power dissipation; up to 30MHz operation, up to 100MHz at reduced input.