Tube-number record
8108
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8108 is a tube type in the TubeDatabase archive (class: Disc Seal Triode). Recorded specifications: brand Amperex, construction Triode, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 12.5 W. The archive does not yet hold a photographed example of this type.
BrandAmperex
ClassDisc Seal Triode
BaseOctal
Filament6.3 V @ 0.735 mA
Construction
Primary TypeTriode
EnvelopeDisc Seal
SectionsSingle
Filament / Heater
Heater NotesHeater voltage tolerance 2%
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Amplifier | 180 V | 25000 | — | 43 | 30 mA |
Application Notes
The Amperex 8108 is a disc seal triode designed for use as a CW amplifier, oscillator, frequency doubler or frequency tripler to frequencies over 6000 Mc/sec. Saturation power of more than 2 watts with an operating voltage of only 180 volts.
Datasheets
Datasheet: 8108.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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