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

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MF 13-1 vacuum tube outline illustration

Tube-number record

MF 13-1

0 archive entries

MF 13-1 is a tube type in the TubeDatabase archive (class: Radar Cathode Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, base Plastic, socket Octal, and maximum plate voltage 11000 V. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassRadar Cathode Ray Tube
BaseOctal
Filament6.3 V @ 300 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRound glass, 13 cm (5")
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater NotesIndirect heating by AC or DC; series or parallel supply

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Magnetic focusing and deflection7000 V————

Application Notes

The tube has a screen which is liable to burn if a stationary or slowly moving spot is used even with low values of mean beam current. When used in a series heater chain, voltage must not exceed 9.5 V at switch on.

Datasheets

Datasheet: MF13-1.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

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Manufacturers

Brands

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    Plate Voltage11000 V
    Grid 2 Voltage500 V
    Grid 1 Voltage200 V
    Cathode Current0.15 mA
    H-C Voltage150 V

    Audio Performance

    Key Features
    • Metal-backed screen
    • Aluminized
    • Orange afterglow
    • Magnetic focusing
    • Double magnetic deflection