Tube-number record
3DB3
0 archive entries
BrandGeneral Electric
ClassHigh-Voltage Rectifier
BaseOctal
Filament3.15 V @ 245 mA
Construction
Primary TypeDiode
Rectifier TypeHigh-Voltage Rectifier
EnvelopeT-9
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage30000 V
Cathode Current2 mA
Audio Performance
Key Features
- Built-in X-radiation shielding
- Color TV type
- High-voltage rectifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tube Voltage Drop | 60 V | — | — | — | 7 mA |
Application Notes
The 3DB3 is a heater-cathode type diode designed for use in color television receivers as the high-voltage rectifier to supply power to the anode of the picture tube.
Datasheets
Datasheet: 3DB3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results