12DW5
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BrandTUNG-SOL
ClassBEAM POWER PENTODE
Base9-pin miniature
Filament12.6V @ 0.6mA
Construction
Primary TypeBeam Power Pentode
EnvelopeT-6 1/2 Glass
Base MaterialSmall Button 9-pin
SectionsSingle
Filament / Heater
Heater NotesControlled heater warm-up cycle; AC or DC
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation11 W
Grid 2 Voltage220 V
Grid 1 Voltage250 V
Cathode Current65 mA
H-C Voltage200 V
Audio Performance
Key Features
- Controlled heater warm-up cycle
- High zero bias plate current
- Designed for 110 degree deflection systems
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Connected | 200V | 5500 | 15000 | - | 55mA |
| Triode Connected | 150V | - | - | 4.3 | - |
Application Notes
The 12DW5 is a beam power pentode in the 9-pin miniature construction designed primarily for vertical deflection amplifier service in television receivers employing 110° deflection systems. It is designed to operate at relatively low B supply voltages.
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