3DR3
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BrandGeneral Electric
ClassHigh-Voltage Rectifier
BaseSmall-Wafer Octal 8-Pin
Filament3.15V @ 300mA
Construction
Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeT-11
Base MaterialGlass with Bonded Shield
Sections1
Filament / Heater
Heater NotesHeater-cathode type; heater voltage range 2.65V to 3.65V
Absolute Maximum Ratings
Plate Voltage30000 V
Cathode Current2 mA
Audio Performance
Key Features
- X-radiation absorbing material
- Bonded Shield
- Protective shield
- Unipotential coated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tube Voltage Drop | 70V | - | - | - | 7mA |
Application Notes
Designed for use in color television receivers as the high voltage rectifier to supply power to the anode of the picture tube. Features a protective shield to reduce X-radiation output.
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