6FC7
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BrandTung-Sol
ClassDouble Triode
Base9-Pin Miniature
Filament6.3V @ 340mA
Construction
Primary TypeDouble Triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesCharacteristics section lists 6.4V
Absolute Maximum Ratings
Plate Voltage130 V
Plate Dissipation1.8 W
Grid 1 Voltage50 V
Cathode Current22 mA
H-C Voltage180 V
Audio Performance
Key Features
- Frame Grid
- Double Triode
- Cascode Amplifier
- 9-Pin Miniature
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section | 90V | 12000 | - | - | 15mA |
Application Notes
Intended for use as a cascode amplifier at frequencies up to 220 megacycles per second. Recommended that pins 7 and 8 be strapped.
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