12DW8
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ClassDiode, Dissimilar Duo-Triode
BaseSmall Button Miniature
Filament12.6V @ 450mA
Construction
Primary TypeDiode-Dissimilar Duo-Triode
Rectifier Typedetector
EnvelopeT-5 1/2
Sections3
Filament / Heater
Heater NotesDesigned for 12 volt hybrid automobile radios
Absolute Maximum Ratings
Plate Voltage16 V
Plate Dissipation0.5 W
H-C Voltage16 V
Audio Performance
Key Features
- Low voltage operation
- Combined second detector
- Transistor driver stage
- Designed for 12V hybrid auto radios
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode #1 (First Audio) | 12.6V | 2700 | - | 9.5 | 1.9mA |
| Triode #2 (Driver) | 12.6V | 6500 | - | 6.4 | 7.5mA |
Application Notes
The principal feature of the 12DW8 is its ability to operate with a 12 volt plate supply.
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