Tube-number record
7759
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7759 is a tube type in the TubeDatabase archive (class: Premium Subminiature Double Triode). Recorded specifications: brand Sylvania, construction Dual triode, base Glass, socket Subminiature, maximum plate voltage 165 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassPremium Subminiature Double Triode
BaseSubminiature
Filament26.5 V @ 90 mA
Construction
Primary TypeDual triode
EnvelopeT3
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesDesigned for dependability under severe shock and vibration
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section | 100 V | 5400 | — | 35 | 6.5 mA |
Application Notes
Particularly useful in oscillator and amplifier applications where power requirements permit two tubes in one envelope.
Datasheets
Datasheet: 7759.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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