The HK-454H was a 250 watt triode with a mu of 27. Although very similar to the EIMAC 250TH, the 454H had higher ratings. They are usable up to 150 MHz at full rating. Eimac made their version the 454-H.
Length = 9.75" Diameter = 3.50"
Max voltage = 5000
Max current = 375 ma
Fil voltage = 5
Fil current = 11 amps GOTO INDEX