Tube-number record
7887
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7887 is a tube type in the TubeDatabase archive (class: Premium Subminiature Double Triode). Recorded specifications: brand SYLVANIA, construction Triode, 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 TypeTriode
EnvelopeT-3
Sectionsdouble
Filament / Heater
Heater NotesIndirectly heated, coated unipotential cathode
Absolute Maximum Ratings
Plate Voltage165 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section | 100 V | 5000 | — | 20 | 8.5 mA |
Application Notes
Particularly useful in oscillator, amplifier and low power servo circuit applications.
Datasheets
Datasheet: 7887.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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