Tube-number record
RS 389
0 archive entries
RS 389 is a tube type in the TubeDatabase archive (class: Sendepentode). Recorded specifications: brand TELEFUNKEN, construction Pentode, socket Special / none, maximum plate voltage 450 V, and maximum plate dissipation 12 W. The archive does not yet hold a photographed example of this type.
BrandTELEFUNKEN
ClassSendepentode
BaseSpecial / none
Filament12.6 V @ 670 mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated oxide cathode
Absolute Maximum Ratings
Plate Voltage450 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | — | 5000 | — | — | 50 mA |
Application Notes
Suitable for oscillator stages (with or without crystal), RF amplification, and frequency multiplication stages. The suppressor grid (G3) is internally connected to the cathode.
Datasheets
Datasheet: RS389.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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