12CN5
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BrandSylvania
ClassSharp-cutoff pentode
BaseMiniature Button 7-Pin (E7-1)
Filament12.6V @ 450mA
Construction
Primary TypePentode
EnvelopeT-5 1/2
Sections1
Filament / Heater
Heater NotesIntended for use in automobile radios operated from a nominal 12-volt battery; operates satisfactorily over the range 10.0 to 15.9 volts.
Absolute Maximum Ratings
Plate Voltage16 V
Grid 2 Voltage16 V
H-C Voltage16 V
Audio Performance
Key Features
- Miniature button 7-pin base
- Sharp-cutoff
- Low voltage operation
- Coated unipotential cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| IF Amplifier | 12.6V | 3800 | 40000 | - | 4.5mA |
Application Notes
The Sylvania Type 12CN5 is a miniature sharp-cutoff pentode intended for use as an IF amplifier in automobile radio receivers, designed to operate directly from a 12-volt automotive storage battery.
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