The F-124A is a power triode with a mu of 42 made by Federal Telephone & Radio and is rated at 40 KW. It requires 15 gallons per minute of water cooling and would operate at full ratings to 20 MHz.
Length = 25.50" Diameter = 5.75"
Max voltage = 20000
Max current = 7 amps
Fil voltage = 27.2
Fil current = 68.7 amp three phase GOTO INDEX