Power Pentode
The 1J5G Vacuum Tube is a Glass octal type used in the output stage of battery-operated receivers.
It requires an eight pin octal socket.
Electrical Data:
Filament Voltage ............................. 2.0 DC V
Filament Current ............................. 0.12 A
Preferred Substitutes ........................ 1G5
Substitutes .................................. 1F5