12VP4
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BrandSylvania
ClassCathode-Ray Tube
BaseSmall Shell Duodecal 5-Pin
Filament6.3V @ 600mA
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage12900 V
Grid 1 Voltage-125 V
H-C Voltage125 V
Audio Performance
Key Features
- Magnetic focus
- Magnetic deflection
- Direct-view picture tube
- External conductive coating
- External ion-trap magnet required
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Picture Tube Operation | 11000V | - | - | - | - |
Application Notes
The Type 12VP4 is a twelve inch magnetic-focus and magnetic-deflection direct-view picture tube for television applications. Heater negative with respect to cathode during warm-up period not to exceed 410V (15s max).
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