The RK-48 is a 100 watt dissipation beam tetrode with full ratings to 30 MHz made by Raytheon. It was replaced the RK-48A which has a different shape and length of the envelope, a carbon plate and a smaller plate cap structure.
Length = 9.38" Diameter = 2.37"
Max voltage = 2000
Max current = 180 ma
Fil voltage = 10
Fil current = 5 amp GOTO INDEX