Tube-number record
0G3/85A2
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BrandAmperex
ClassVoltage Reference Tube
BaseMiniature 7-pin (B7G)
Construction
Primary TypeOther / special
EnvelopeT 5 1/2
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage125 V
Cathode Current10 mA
Audio Performance
Key Features
- High Stability
- Low Noise
- Better Regulation
- Wide Operating Current Range
- Reproducibility with 5 volt tolerance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended D.C. Operating | 85 V | — | 300 | — | 6 mA |
Application Notes
Recommended for D.C. Amplifiers, stable regulated power supplies, and oscilloscope calibrators. Equilibrium conditions reached after 3 minutes. The tube should be operated only with cathode negative and anode positive.
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