Tube-number record
6BK4
0 archive entries
6BK4 is a tube type in the TubeDatabase archive (class: Sharp cutoff beam triode voltage regulator). Recorded specifications: brand SYLVANIA, construction Beam tetrode / beam power, base BS 71 Short Jumbo Shell Octal, socket Octal, maximum plate voltage 25000 V, and maximum plate dissipation 25 W. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassSharp cutoff beam triode voltage regulator
BaseOctal
Filament6.3 V @ 200 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12
Base MaterialBS 71 Short Jumbo Shell Octal
SectionsSingle
Filament / Heater
Heater NotesHeater positive with respect to cathode not recommended
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Shunt Voltage Regulator | 25000 V | 200 | — | 2000 | 1 mA |
Application Notes
X-ray radiation shielding may be necessary to protect against personal injury from prolonged exposure if operated higher than 16,000 volts.
Datasheets
Datasheet: 6BK4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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