12DK5
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BrandWestinghouse
ClassRF/IF Pentode
BaseMiniature 9-pin (JETEC E9-1)
Filament12.6V @ 300mA
Construction
Primary TypePentode
EnvelopeT-6-1/2
SectionsSingle
Filament / Heater
Heater NotesAutomotive service range: 10.0V to 15.9V
Absolute Maximum Ratings
Plate Voltage16 V
Grid 2 Voltage16 V
H-C Voltage16 V
Audio Performance
Key Features
- High transconductance at low plate and grid 2 voltages
- Low grid 1-plate capacity
- Suitable for AVC operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 12.6V | 3300 | 100000 | - | 2mA |
Application Notes
Designed for service as an intermediate frequency amplifier in automobile receivers with a transistor output stage whose driving power is taken from the diode detector.
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