Tube-number record
5FG7
0 archive entries
5FG7 is a tube type in the TubeDatabase archive (class: TRIODE - PENTODE). Recorded specifications: brand TUNG-SOL, year 1965, construction Multi-section, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassTRIODE - PENTODE
BaseNoval (B9A)
Filament4.7 V @ 600 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/2
Sections2
Filament / Heater
Heater NotesHeater warmup time: 11 seconds
Absolute Maximum Ratings
Plate Voltage330 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit - Class A1 Amplifier | 125 V | 7500 | 5700 | 43 | 13 mA |
| Pentode Unit - Class A1 Amplifier (Set 1) | 100 V | 7400 | — | — | 12 mA |
| Pentode Unit - Class A1 Amplifier (Set 2) | 125 V | 6000 | 180000 | — |
0 results