Tube-number record
2FQ5
0 archive entries
2FQ5 is a tube type in the TubeDatabase archive (class: TRIODE). Recorded specifications: brand TUNG-SOL, year 1960, construction Triode, socket Miniature 7-pin (B7G), maximum plate voltage 200 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassTRIODE
BaseMiniature 7-pin (B7G)
Filament2.3 V @ 0.6 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesHeater warm-up time 11.0 seconds
Absolute Maximum Ratings
Plate Voltage200 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 135 V | 11000 | 5500 | 60 | 11.5 mA |
Application Notes
The 2FQ5 is designed for use as a VHF and RF amplifier at a B+ of 135 volts.
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