27LP4
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BrandSylvania
ClassTelevision Picture Tube
BaseB7-208
Filament6.3V @ 600mA
Construction
Primary TypeRectangular Glass CRT
EnvelopeGlass
Sections1
Filament / Heater
MaterialAluminized P4
Warm-up Time11s
Heater NotesHeater warm-up time defined as time to reach 80% of rated voltage under specified test conditions.
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage200 V
Audio Performance
Key Features
- Electrostatic Focus
- Magnetic Deflection
- Aluminized Screen
- No Ion Trap
- Gray Filter Glass
- Spherical Faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 18000V | - | 1500000 | - | - |
Application Notes
X-ray radiation shielding may be necessary to protect against possible danger of personal injury from prolonged exposure if operated above 16,000V.
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