Radial - Beam Tetrode
The picture is for demonstration purposes. Name brands
vary.
The 4CX250FG / 8621 Vacuum Tube is used in Ham Radio,
Induction Heaters, Plasma Generators, and RF Generators.
The 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.
Electrical Data:
Heater Voltage .............................. 26.5 V
Heater Current .............................. 0.56 A
Preferred Substitutes ...................8621,
4CX250F. 4CX250G, 4CX250F/G, FU-250F.