Tube-number record
3S4
0 archive entries
3S4 is a tube type in the TubeDatabase archive (class: Power Amplifier Pentode). Recorded specifications: brand Sylvania, construction Pentode, base Miniature Button, socket Miniature 7-pin (B7G), and maximum plate voltage 90 V. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassPower Amplifier Pentode
BaseMiniature 7-pin (B7G)
Construction
Primary TypePentode
EnvelopeT-5 1/2
Base MaterialMiniature Button
SectionsSingle
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier (Series Filament) | 67.5 V | 1400 | 100000 | — | 6 mA |
| Class A Amplifier (Series Filament) | 90 V | 1425 | 100000 | — | 6.1 mA |
| Class A Amplifier (Parallel Filament) | 67.5 V | 1550 | 100000 | — |
Datasheets
Datasheet: 3S4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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