The HY25 is a 25 watt triode with a mu of 55 and a maximum frequency for full output of 60 MHz. Made by Hytron. Length = 5.60" Diameter = 2.03" Max voltage = 800 Max current = 75 ma Fil voltage = 7.5 Fil current = 2.25 Data sheet: GOTO INDEX
The HY25 is a 25 watt triode with a mu of 55 and a maximum frequency for full output of 60 MHz. Made by Hytron.