Tube-number record
6FG7
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BrandGeneral Electric
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 0.45 mA
Construction
Primary TypePentode
EnvelopeT-6 1/2 Glass
Base MaterialSmall Button 9-Pin E9-1
SectionsDual
Filament / Heater
Warm-up Time11s
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3 W
Grid 2 Voltage330 V
H-C Voltage200 V
Audio Performance
Key Features
- Separate cathode leads
- Sharp-cutoff pentode
- Medium-mu triode
- Miniature envelope
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 125 V | 6000 | 180000 | — | 11 mA |
| Triode Section | 125 V | 7500 | 5700 | 43 | 13 mA |
Application Notes
Primarily designed for use as a combined triode oscillator and pentode mixer in VHF television receivers. Features two cathode leads to reduce effective cathode lead inductance.
Datasheets
Datasheet: 6FG7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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