The ZP-1038 is a forced air cooled tetrode made by GE. This tube seems to be a developmental or special feature version of the GL51038. Data is given for the 51038 which had a frequency of 425 MHz for full output and was usable to 1500 MHz. Used in pulse service with an output of 60 Kw.

Length = 3.25" Diameter = 2.12"
Max voltage = pulse
Max current =
Fil voltage = 6.3
Fil current = 5.6 amps         GOTO INDEX