Tube-number record
4650
0 archive entries
4650 is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Philips, construction Pentode, socket Side-contact (P-base), maximum plate voltage 550 V, and maximum plate dissipation 25 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassOutput Pentode
BaseSide-contact (P-base)
Construction
Primary TypePentode
EnvelopeGlass
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation25 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 300 V | 3900 | 20000 | 4.5 | 83 mA |
| Class A High Voltage | 550 V | 3200 | 30000 | 4.5 | 45 mA |
| Class B Push-Pull | 300 V | — | — | — | 30 mA |
Application Notes
Operating conditions provided for Class A, AB, and B. High voltage operation up to 550V.
Datasheets
Datasheet: 4650.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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