The HK-354D is a 150 watt dissipation triode made for higher frequency applications than the HK-354 and has a mu of 22. Data sheets from 1946 only cover the C and E tubes suggesting that the D and other varients had been dropped from production.
Length = 8.50" Diameter = 3.12"
Max voltage = 4000
Max current = 300 ma
Fil voltage = 5
Fil current = 10 amps GOTO INDEX