
Tube-number record
12FQ8
0 archive entries
12FQ8 is a tube type in the TubeDatabase archive (class: Twin Double-Plate Triode). Recorded specifications: brand General Electric, year 1960, construction Triode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 0.5 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassTwin Double-Plate Triode
BaseNoval (B9A)
Filament12.6 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeT-6 1/2 Glass
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage330 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section, Each Plate | 250 V | 1250 | 76000 | 95 | 1.5 mA |
Application Notes
Miniature twin double-plate triode with each section having a grid and two plates brought out to separate base pins.
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