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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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5FP7-B vacuum tube outline illustration

Tube-number record

5FP7-B

0 archive entries

5FP7-B is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand General Electric, construction Display / CRT, base Glass, socket Octal, and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassCathode-Ray Tube
BaseOctal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeJ39
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesHeater current: 0.6 Amperes (600 mA)

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operating Conditions7000 V———0.2 mA

Application Notes

Recommended for radar and oscillographic applications requiring long persistence. Anode and Grid-No. 3 are connected internally. Minimum anode voltage should generally not be less than 4000V.

Filters

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Manufacturers

Brands

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    Plate Voltage12000 V
    Grid 2 Voltage700 V
    Grid 1 Voltage-180 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • 5-Inch Round Glass Bulb
    • Magnetic Focus
    • Magnetic Deflection
    • Long Persistence P7 Phosphor
    • High-Resolution Electron Gun
    • Small Spot Size