12G4
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BrandSYLVANIA
ClassMedium Mu Triode
Base7-Pin Miniature Button
Filament12.6V @ 150mA
Construction
Primary TypeMedium Mu Triode
EnvelopeT-5 1/2
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.5 W
H-C Voltage90 V
Audio Performance
Key Features
- Miniature
- General Purpose
- Coated Unipotential Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 90V | 3000 | 6700 | 20 | 10mA |
| Condition 2 | 250V | 2600 | 7700 | 20 | 9mA |
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