Tube-number record
7689
0 archive entries
7689 is a tube type in the TubeDatabase archive (class: High-Mu Triple Triode). Recorded specifications: brand CBS Electronics, construction Triode, base Miniature button, 12-pin, socket Compactron, maximum plate voltage 330 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.
BrandCBS Electronics
ClassHigh-Mu Triple Triode
BaseCompactron
Filament6.3 V @ 450 mA
Construction
Primary TypeTriode
EnvelopeT-7 1/2
Base MaterialMiniature button, 12-pin
Sections3
Filament / Heater
Heater NotesContinuous-wound coil heater
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier (Each Section) | 100 V | 1250 | 80000 | 100 | 0.5 mA |
| Class A Amplifier (Each Section) | 250 V | 1600 | 62500 | 100 | 1.2 mA |
Application Notes
Designed and tested for use in measurement test equipment, instrumentation, and applications where extreme reliability and long life are required.
Datasheets
Datasheet: 7689.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results