12FK6
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BrandSylvania
ClassTwin Diode Low-Mu Triode
BaseMiniature Button 7-Pin
Filament12.6V @ 150mA
Construction
Primary TypeTriode-Double Diode
EnvelopeT-5 1/2
Sections3
Filament / Heater
Heater NotesIntended for use in automobile radios operated from a nominal 12 volt battery.
Absolute Maximum Ratings
Plate Voltage16 V
Grid 1 Voltage-16 V
H-C Voltage16 V
Audio Performance
Key Features
- Detector
- AVC Rectifier
- AF Amplifier
- Direct 12V Automotive Operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| AF Amplifier | 12.6V | 1200 | 6200 | 7.4 | 1.3mA |
Application Notes
The Sylvania Type 12FK6 is designed for operation where the heater, grid, and plate voltages are obtained directly from a 12 volt automotive storage battery. The heater will operate satisfactorily over the range 10.0 volts to 15.9 volts.
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