Tube-number record
3DF3
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BrandGeneral Electric
ClassRectifier
BaseOctal
Filament3.15 V @ 480 mA
Construction
Primary TypeDiode
Rectifier TypeHigh-Voltage Rectifier
EnvelopeT-9 Glass
Base MaterialShort Medium-Shell Octal 8-Pin
SectionsSingle
Filament / Heater
Heater NotesHeater current of a bogey tube at Ef = 3.15 volts.
Absolute Maximum Ratings
Plate Voltage30000 V
Cathode Current2.2 mA
Audio Performance
Key Features
- Diffusion bonded cathode coating
- Built-in X-radiation shielding
- X-radiation controls
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Drop | 60 V | — | — | — | 7 mA |
Application Notes
Designed for use in color television receivers as the high-voltage rectifier to supply power to the anode of the picture tube.
Datasheets
Datasheet: 3DF3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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