12YP4
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BrandThomas Electronics, Inc.
ClassCathode-Ray Picture Tube
BaseSmall shell duodecal 5-Pin
Filament6.3V @ 600mA
Construction
Primary TypePicture Tube
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage12000 V
Grid 2 Voltage410 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- 3-inch offset electron gun
- External ion-trap magnet
- Insulating band on internal conductive coating
- Outside conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Visual extinction of undeflected focused spot | 11000V | - | - | - | - |
Application Notes
The T.E.I. 12YP4 is a 12.5-inch direct-view picture tube for use in television receivers. Mounting position: Any.
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