6SF5
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BrandRCA
ClassHigh-Mu Triode
BaseOctal
Filament6.3V @ 300mA
Construction
Primary Typetriode
Envelopemetal
Base Materialsmall wafer octal 6-pin
Sectionssingle
Filament / Heater
Heater NotesA.C. or D.C.
Absolute Maximum Ratings
Plate Voltage300 V
H-C Voltage90 V
Audio Performance
Typical THD5%
Key Features
- Single-ended construction
- Interlead shielding between grid and heater
- Metal envelope
- Unipotential cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 100V | 1150 | 85000 | 100 | 0.4mA |
| Class A1 Amplifier | 250V | 1500 | 66000 | 100 | 0.9mA |
Application Notes
The 6SF5 is recommended for use in resistance-coupled circuits. Operating conditions are the same as those for type 6F5.
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