Tube-number record
C443
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BrandPHILIPS
ClassOutput Pentode
BaseSpecial / none
Construction
Primary TypePentode
Envelope92 x 51 mm
Sections1
Filament / Heater
Materialdirect
Absolute Maximum Ratings
Plate Dissipation6 W
Audio Performance
Typical THD10%
Power Output2.8 W
Key Features
- direct heating
- AC heating
- parallel heating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical characteristics | 300 V | 1700 | 35000 | 60 | 20 mA |
| Operating, class A | 300 V | — | — | — | 20 mA |
Application Notes
Directly heated output pentode for Class A operation.
Datasheets
Datasheet: C443.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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