The 3C22 is a 125 watt, forced air cooled, microwave triode with a mu of 40 and full output to 1.4 GHz. Used in the AN/APT-5. Length = 4.87" Diameter = 1.62" Max voltage = 1000 Max current = 150 ma Fil voltage = 6.3 Fil current = 2 amps GOTO INDEX