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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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Tube-number record

3FY5

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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

Plate Voltage200 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

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation135 V13000—7011 mA
Cut-off characteristic 1135 V625———
Cut-off characteristic 2135 V125———
Cut-off characteristic 3135 V———0.1 mA

Application Notes

Especially designed for service in VHF tuners of television receivers.

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