Tube-number record
7FC7
0 archive entries
7FC7 is a tube type in the TubeDatabase archive (class: Double Triode). Recorded specifications: brand TUNG-SOL, year 1960, construction Dual triode, base Glass, socket Noval (B9A), maximum plate voltage 130 V, and maximum plate dissipation 1.8 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassDouble Triode
BaseNoval (B9A)
Filament7.2 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeT-6
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesAny mounting position
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section | 90 V | 12000 | — | — | 15 mA |
Application Notes
Intended for use as a cascode amplifier at frequencies up to 220 Megacycles per second.
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