Tube-number record
6F10
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BrandTESLA
ClassHigh-frequency Pentode
BaseOctal
Filament6.3 V @ 450 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialBakelite
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage310 V
Plate Dissipation3.3 W
Grid 2 Voltage165 V
Grid 1 Voltage-30 V
Cathode Current25 mA
H-C Voltage100 V
Audio Performance
Key Features
- High transconductance
- Suitable for wideband, IF, and video amplifiers
- Low output impedance
- Cathode follower suitability in triode mode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 300 V | 9000 | 1000000 | — | 10.25 mA |
| Triode | 150 V | 11000 | 3600 | 40 | 12.5 mA |
Application Notes
Suppressor grid g3 should not be used for separate control due to insufficient range. Grid resistors of 1k Ohm for g1 or 100 Ohm for g2 are recommended to prevent parasitic oscillations.
Datasheets
Datasheet: 6F10.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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