Tube-number record
2B25
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BrandRaytheon
ClassHalf Wave Rectifier
BaseMiniature 7-pin (B7G)
Construction
Primary TypeDiode
Rectifier TypeHalf Wave
EnvelopeT-5 1/2
SectionsSingle
Filament / Heater
MaterialDirectly Heated
Absolute Maximum Ratings
Plate Voltage1250 V
Cathode Current1.5 mA
Audio Performance
Key Features
- Filament Type
- Miniature
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tube Voltage Drop | 60 V | — | — | — | 4 mA |
Application Notes
Measured tube voltage drop with applied D.C. at 4 mA plate current.
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