Tube-number record
PCL 805
0 archive entries
PCL 805 is a tube type in the TubeDatabase archive (class: Triode/Pentode). Recorded specifications: brand Telefunken, construction Multi-section, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 8 W. The archive does not yet hold a photographed example of this type.
BrandTelefunken
ClassTriode/Pentode
BaseNoval (B9A)
Filament17.5 V @ 300 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirect heating, connected in series
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode (Measuring value) | 100 V | 5500 | — | 60 | 5 mA |
| Pentode (Pulse measurement 1) | 50 V | — | — | — | 200 mA |
| Pentode (Pulse measurement 2) | 65 V | — | — | — |
Application Notes
In order to allow for tube tolerances, the circuit must be designed for a maximum rating of the peak anode current of 60% of the characteristic for Ug1 = -1V.
Datasheets
Datasheet: PCL805.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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