Tube-number record
EF97
0 archive entries
EF97 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Philips, construction Pentode, base Glass, socket Miniature 7-pin (B7G), maximum plate voltage 50 V, and maximum plate dissipation 0.5 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassPentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 0.3 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesIndirect; series or parallel supply
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/IF amplifier | 25 V | 1900 | 60000 | — | 2.7 mA |
| RF/IF amplifier | 12.6 V | 1800 | 120000 | — | 2.5 mA |
| RF/IF amplifier | 6.3 V | 900 | 60000 | — | 0.8 mA |
Application Notes
Designed for use as R.F. amplifier, I.F. amplifier and mixer in car radio sets.
Datasheets
Datasheet: EF97.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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