Tube-number record
EF 51
0 archive entries
EF 51 is a tube type in the TubeDatabase archive (class: H.F. Pentode). Recorded specifications: brand PHILIPS, construction Pentode, maximum plate voltage 300 V, and maximum plate dissipation 4.5 W. The archive does not yet hold a photographed example of this type.
BrandPHILIPS
ClassH.F. Pentode
Filament6.3 V @ 430 mA
Construction
Primary TypePentode
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4.5 W
Grid 2 Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| H.F. Amplification | 250 V | 9500 | 500000 | 65 | 14 mA |
Datasheets
Datasheet: EF51.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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