3DB3
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BrandGeneral Electric
ClassHigh-Voltage Rectifier
BaseOctal
Filament3.15V @ 245mA
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 | 60V | - | - | - | 7mA |
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.
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