Tube-number record
7688
0 archive entries
7688 is a tube type in the TubeDatabase archive (class: Triple Triode). Recorded specifications: brand CBS, construction Triode, socket Compactron, maximum plate voltage 330 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.
BrandCBS
ClassTriple Triode
BaseCompactron
Filament6.3 V @ 450 mA
Construction
Primary TypeTriode
EnvelopeT-7 1/2
Sections3
Filament / Heater
Heater NotesContinuous-wound coil heater
Absolute Maximum Ratings
Plate Voltage330 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 100 V | 3100 | 6500 | 20 | 11.8 mA |
| Class A Amplifier | 250 V | 2200 | 7700 | 17 | 10.5 mA |
Datasheets
Datasheet: 7688.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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