19BLP4
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BrandPHILCO
ClassTelevision Picture Tube
BaseB7-208
Filament6.3V @ 600mA
Construction
Primary TypeCathode Ray Tube
EnvelopeJ149-A2
Base MaterialGlass
SectionsSingle
Filament / Heater
MaterialCoated
Warm-up Time11s
Heater NotesHeater warm-up time defined as 80% of rated value.
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage550 V
Grid 1 Voltage-154 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized screen
- Rectangular glass
- 114 degree deflection
- Short improved electron gun
- No ion trap magnet required
- Integral glass button base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 16000V | - | - | - | - |
| Cathode Drive Service | 16000V | - | - | - | - |
Application Notes
X-ray radiation shielding may be necessary if operated at anode voltages higher than 16,000 volts.
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