Tube-number record
S6F33
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BrandEdiswan
ClassDual Control Pentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 350 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGlass
SectionsSingle pentode with internal diode
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage300 V
H-C Voltage150 V
Audio Performance
Key Features
- Special Quality
- Short cut off suppressor grid characteristic
- Shock and vibration resistant
- Dual control pentode
- Internal diode tied to suppressor grid
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 200 V | 4050 | 100000 | 42 | 7.1 mA |
Application Notes
Suitable for modulation, gating, and variable reactance applications, where only a small input is available. A diode has been tied to the suppressor grid to prevent blocking when this grid is under positive drive conditions.
Datasheets
Datasheet: S6F33.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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