Tube-number record
CF50
0 archive entries
CF50 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Philips, construction Pentode, socket Side-contact (P-base), maximum plate voltage 250 V, and maximum plate dissipation 1 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassPentode
BaseSide-contact (P-base)
Filament30 V @ 0.2 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C.; series or parallel supply
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical characteristics (Condition 1) | 100 V | 3300 | 2000000 | 45 | 1.5 mA |
| Typical characteristics (Condition 2) | 250 V | 3300 | 2500000 | 45 | 1.5 mA |
Application Notes
Operating conditions as resistance-coupled L.F. amplifier provided for various supply voltages up to 450V.
Datasheets
Datasheet: CF50.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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