Tube-number record
7690
0 archive entries
7690 is a tube type in the TubeDatabase archive (class: Medium-mu Triple Triode). Recorded specifications: brand CBS, construction Triode, base Gold plated base pins, socket Compactron, maximum plate voltage 330 V, and maximum plate dissipation 2.8 W. The archive does not yet hold a photographed example of this type.
BrandCBS
ClassMedium-mu Triple Triode
BaseCompactron
Filament6.3 V @ 450 mA
Construction
Primary TypeTriode
EnvelopeT-7 1/2
Base MaterialGold plated base pins
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 | 4000 | 15000 | 60 | 3.7 mA |
| Class A Amplifier (Each Section) | 250 V | 9500 | 10900 | 60 | 10 mA |
Datasheets
Datasheet: 7690.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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