The 305D is a 14 watt triode with a mu of 7 and usable to 30 MHz. This is United's version of Western Electric's WE205D but with a standard UX base.
Length = 4.37" Diameter = 2.30"
Max voltage = 375
Max current = 50 ma
Fil voltage = 4.5
Fil current = 1.6 amps GOTO INDEX