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

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F4185 vacuum tube outline illustration

Tube-number record

F4185

0 archive entries

F4185 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand THOMSON-CSF, construction Other / special, base Flexible Leads, and maximum plate voltage 1600 V. The archive does not yet hold a photographed example of this type.

BrandTHOMSON-CSF
ClassTraveling Wave Tube
Filament6.3 V @ 480 mA

Construction

Primary TypeOther / special
EnvelopeMetal
Base MaterialFlexible Leads
Sections1

Filament / Heater

Heater NotesGeneral range: 300 to 600 mA

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
11 GHz Saturated1500 V———0.3 mA

Application Notes

Especially attractive for transportable and airborne equipments, laboratory measurements, radars and communications.

Datasheets

Datasheet: F4185.pdf

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

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Brands

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    Plate Voltage1600 V
    Grid 2 Voltage1000 V
    Grid 1 Voltage2800 V
    Cathode Current28 mA

    Audio Performance

    Power Output5.2 W
    Key Features
    • Broadband amplifier
    • Integral periodic permanent focusing
    • Low stray magnetic field
    • Sturdy construction