Radial - Beam Tetrode
Exterior Conditions may vary.
The 4CX250F / 7204 Vacuum Tube is used in Ham
Radio, Induction Heaters, Plasma Generators, and RF
Generators.
The Amperex 4CX250FG / 8621 has a maximum plate
dissipation rating of 250 watts and a maximum input power
rating of 500 watts. The 4CX250FG / 8621 is designed for
operation at a heater voltage of 26.5 volts.
Prederred Substitute .......................... 7204, 8621, FU-250F