2B3
0 Tubes in archive
BrandGeneral Electric
ClassHigh-Voltage Rectifier
BaseOctal
Construction
Primary TypeDiode
Rectifier TypeHalf-Wave
EnvelopeT-9
Base MaterialGlass
SectionsSingle
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage27000 V
Cathode Current0.5 mA
Audio Performance
Key Features
- Filamentary diode
- Flyback type power supplies
- Higher filament ratings than 1B3-GT
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 100V | - | - | - | 7mA |
Application Notes
Designed for use in television receivers as the high-voltage rectifier to supply power to the anode of the television picture tube. Specifically intended for flyback type power supplies. Tube may produce soft x-rays and requires shielding.
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