Triode Hydrogen Thyratron
The Kuthe Laboratories 3C45 / 6130 / FX227 Vavuum tube is
a hydrogen thyratron. It was first introduced during WWII
as a pulser in radar modulators. It requires a 4 pin UX
tube socket.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.3 A
Preferred Substitutes .................... BT79,
CV372, CV6007, FX227, GL3C45, XH3-045
Substitutes .............................. 6130