19BHP4
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BrandGeneral Electric
ClassCathode Ray Tube
BaseB7-237 or B7-208
Filament6.3V @ 600mA
Construction
Primary TypeCathode Ray Tube
EnvelopeJ149-A1
SectionsSingle
Filament / Heater
Heater NotesHeater warm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage700 V
Grid 1 Voltage-140 V
H-C Voltage180 V
Audio Performance
Key Features
- 114 Degree Deflection Angle
- Short over-all length
- Small neck diameter
- Non ion trap gun
- Aluminized screen
- External conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 18500V | - | - | - | - |
Application Notes
The fluorescent screen is aluminized to increase light output and reduce undesirable screen charging. An external conductive coating is provided to serve as a filter capacitor when grounded.
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