Tube-number record
3BN2-A
0 archive entries
3BN2-A is a tube type in the TubeDatabase archive (class: High-Voltage Rectifier). Recorded specifications: brand General Electric, year 1970, construction Diode, base Glass, socket Compactron, and maximum plate voltage 27000 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassHigh-Voltage Rectifier
BaseCompactron
Filament3.15 V @ 300 mA
Construction
Primary TypeDiode
Rectifier TypeHigh-Voltage
EnvelopeT-9
Base MaterialGlass
SectionsSingle
Filament / Heater
Warm-up Time4s
Heater NotesFast operational warm-up
Absolute Maximum Ratings
Plate Voltage27000 V
Cathode Current1.7 mA
Audio Performance
Key Features
- Diffusion bonded cathode
- Fast warm-up
- X-radiation rating
- Built-in X-radiation shielding
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Flyback Rectifier Service | 27000 V | — | — | — | 1.7 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.
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