Tube-number record
2J2
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BrandSiemens Edison Swan Limited
ClassHigh Voltage Half Wave Rectifier
BaseNoval (B9A)
Filament2 V @ 350 mA
Construction
Primary TypeRectifier
Rectifier TypeIndirectly heated
EnvelopeT6 1/2
SectionsSingle
Filament / Heater
Heater NotesOne end of heater connected to pins 1, 4, 6, 9; the other end to pins 2, 5, 8.
Absolute Maximum Ratings
Plate Voltage23500 V
Cathode Current0.2 mA
Audio Performance
Key Features
- Flyback E.H.T. supplies
- Unrestricted mounting position
- Clear bulb
Application Notes
Pins 3 and 7 are floating but must not be left unconnected. They should be connected to the external circuit with not more than 10 Ohms between adjacent pins.
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