Tube-number record
4689
0 archive entries
4689 is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Philips Miniwatt, construction Pentode, maximum plate voltage 375 V, and maximum plate dissipation 18 W. The archive does not yet hold a photographed example of this type.
BrandPhilips Miniwatt
ClassOutput Pentode
Filament6.3 V @ 1350 mA
Construction
Primary TypePentode
SectionsSingle
Filament / Heater
Heater NotesIndirect; A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage375 V
Plate Dissipation18 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB Push-Pull | 375 V | — | — | — | 48 mA |
Datasheets
Datasheet: 4689.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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