3B2
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BrandSYLVANIA
ClassHigh Voltage Rectifier
BaseB8-71, Short Jumbo Shell Octal, 8-Pin
Filament1.5V @ 220mA
Construction
Primary TypeHalf-wave rectifier
Rectifier TypeHalf-wave
EnvelopeT-12
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage35000 V
Cathode Current1.1 mA
Audio Performance
Key Features
- Half-wave rectifier
- High voltage
- Color television application
- Coated Unipotential Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tube Drop with DC | 135V | - | - | - | 7mA |
Application Notes
The Sylvania Type 3B2 is designed for application as a high voltage rectifier in color television receivers.
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