KLYSTRON
The SRC43 is a Klystron Microwave Vacuum tube. Its frequency range is 6350 to 6650. The classification is " CW ".
It is used for control of frequency change resistance welders.
Electrical Data:
Heater Voltage .................... 6.3 V
Heater Current .................... 0.8 A
Preferred Substitutes ............ 6V433