11D12
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BrandEDISWAN
ClassLow-mu Power Double Triode
BaseIO8
Filament6.3V @ 2.5mA
Construction
Primary TypeDouble Triode
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation13 W
Grid 1 Voltage-2300 V
Cathode Current125 mA
H-C Voltage300 V
Audio Performance
Key Features
- Separate cathodes
- Suitable for booster scanning circuits
- Suitable for series regulator in DC power supplies
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section | 135V | 7000 | 280 | 2 | 125mA |
Application Notes
With fixed bias, the anode circuit should contain a protective resistance to provide a minimum drop of 15V DC. For parallel sections at high dissipation, separate anode and cathode resistors are required.
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