Tube-number record
7892
0 archive entries
7892 is a tube type in the TubeDatabase archive (class: Twin Triode). Recorded specifications: brand Tung-Sol, construction Triode, base Miniature button 9-pin, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 4.2 W. The archive does not yet hold a photographed example of this type.
BrandTung-Sol
ClassTwin Triode
BaseNoval (B9A)
Filament6.3 V @ 900 mA
Construction
Primary TypeTriode
EnvelopeT-6 1/2
Base MaterialMiniature button 9-pin
Sections2
Filament / Heater
Heater NotesCommon connection permitting either 6.3 volt or 12.6 volt operation.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse amplifier | 175 V | — | — | — | — |
Application Notes
Intended only for pulse amplifier and oscillator service. Not rated for Class A, B, and C operation with duty factors > 10% or pulse widths > 100 microseconds.
Datasheets
Datasheet: 7892.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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