Tube-number record
PL805
0 archive entries
PL805 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Telefunken, construction Pentode, 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
ClassPower Pentode
BaseNoval (B9A)
Filament15 V @ 300 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesSeries supply, DC-AC-heating
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation8 W
Grid 2 Voltage250 V
Cathode Current75 mA
H-C Voltage200 V
Audio Performance
Key Features
- Endpentode für vertikale Ablenkung in FS-Geräten
- Power pentode for vertical deflection in TV sets
- Indirectly heated
- Series supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse operation (Measuring value) | 50 V | — | — | — | 200 mA |
| Pulse operation (Measuring value) | 65 V | — | — | — | 285 mA |
Application Notes
Circuit must be designed for a maximum rating of the peak anode current of 60% of the characteristic for Ug1 = -1V to allow for tube tolerances and 10% mains voltage drop.
Datasheets
Datasheet: PL805.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results