27GP4
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BrandSylvania
ClassTelevision Picture Tube
BaseSmall Shell Duodecal 5-Pin (B5-57)
Filament6.3V @ 600mA
Construction
Primary TypeCRT
EnvelopeRectangular Glass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage22500 V
Grid 2 Voltage500 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- Magnetic Focusing
- Magnetic Deflection
- Gray Filter Glass
- Spherical Faceplate
- Direct Viewed
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 20000V | - | - | - | - |
Application Notes
Anode voltage should not be less than recommended values for brilliance. X-ray shielding may be necessary above 16,000 volts.
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