Tube-number record
PL500
0 archive entries
PL500 is a tube type in the TubeDatabase archive (class: Beam Power Tube). Recorded specifications: brand Philips, construction Beam tetrode / beam power, socket Magnoval, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassBeam Power Tube
BaseMagnoval
Filament27 V @ 300 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeAll-glass
SectionsSingle
Filament / Heater
Heater Notesindirect, series supply
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical dynamic characteristics | 75 V | — | — | — | 440 mA |
| Stabilized circuits (operation above the knee) - Case 1 | 62 V | — | — | — | 250 mA |
| Stabilized circuits (operation above the knee) - Case 2 | 66 V | — | — | — |
Application Notes
The distance between the upper side of the retaining ring or screen and the bottom of the base should not exceed 18 mm. If a metal retaining ring is used, it should be earthed and make contact with the silver ring on the bulb.
Datasheets
Datasheet: PL500.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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