7BP-
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ClassCathode-Ray Tube
BaseMedium-Shell Octal 8-Pin
Filament6.3V @ 0.6mA
Construction
Primary TypeMagnetic Focus and Deflection
EnvelopeGlass, 7-inch
Base MaterialMedium-Shell Octal 8-Pin (B8-65)
SectionsSingle
Filament / Heater
Heater NotesCurrent tolerance +/- 10%
Absolute Maximum Ratings
Plate Voltage8000 V
Plate Dissipation6 W
Grid 2 Voltage700 V
Grid 1 Voltage-125 V
H-C Voltage125 V
Audio Performance
Key Features
- Magnetic focusing
- Magnetic deflection
- Long persistence screen
- Flat screen area
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Conditions 1 | 4000V | - | - | - | 0.2mA |
| Typical Operating Conditions 2 | 7000V | - | - | - | - |
Application Notes
Primarily designed for radar indicator applications. At or near maximum anode ratings, the effective resistance of the anode supply should limit input power to 6 watts.
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