12DV7
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BrandSylvania
ClassDouble Diode Medium-Mu Triode
Base9-Pin Miniature Button
Filament12.6V @ 150mA
Construction
Primary TypeTriode-Double Diode
EnvelopeT-6 1/2
Base MaterialGlass
SectionsTriple
Filament / Heater
Heater NotesIntended for automotive radios; range 10.0V to 15.9V
Absolute Maximum Ratings
Plate Voltage16 V
Cathode Current20 mA
H-C Voltage16 V
Audio Performance
Key Features
- Coated Unipotential Cathode
- Miniature construction
- 12-volt battery operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 12.6V | 750 | 19000 | 14 | 0.4mA |
Application Notes
The Sylvania Type 12DV7 is a miniature double diode, medium mu triode intended for use as a second detector audio amplifier in automobile radios where plate voltages are supplied directly from a 12 volt automotive storage battery.
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