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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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3FY5 vacuum tube outline illustration

Tube-number record

3FY5

0 archive entries

3FY5 is a tube type in the TubeDatabase archive (class: Shielded Triode). Recorded specifications: brand TUNG-SOL, year 1960, construction Triode, base Glass, socket Miniature 7-pin (B7G), maximum plate voltage 200 V, and maximum plate dissipation 2.2 W. The archive does not yet hold a photographed example of this type.

BrandTUNG-SOL
ClassShielded Triode
BaseMiniature 7-pin (B7G)
Filament3.1 V @ 0.45 mA

Construction

Primary TypeTriode
EnvelopeT-5 1/2
Base MaterialGlass
Sections1

Filament / Heater

Heater NotesSeries Supply

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation135 V13000—7011 mA
Cut-off characteristic 1135 V625———
Cut-off characteristic 2135 V125———

Application Notes

Especially designed for service in VHF tuners of television receivers.

Filters

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Manufacturers

Brands

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    Plate Voltage
    200 V
    Plate Dissipation2.2 W
    Grid 1 Voltage-50 V
    Cathode Current20 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Remote cut-off
    • Frame grid
    • Shielded triode
    • Low noise figure at 220 MC/S
    • Low supply voltage operation
    Cut-off characteristic 3135 V———0.1 mA