Tube-number record
8444
0 archive entries
8444 is a tube type in the TubeDatabase archive (class: Sharp cutoff pentode). Recorded specifications: brand SYLVANIA, construction Pentode, base Glass, socket Subminiature, maximum plate voltage 165 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassSharp cutoff pentode
BaseSubminiature
Filament6.3 V @ 125 mA
Construction
Primary TypePentode
EnvelopeT-3
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesCenter rated value 6.3 volts
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 100 V | 9000 | 260000 | — | 8.5 mA |
Application Notes
The 8444 is well suited to VHF, RF and IF amplifier and mixer service. Designed for severe shock and vibration conditions.
Datasheets
Datasheet: 8444.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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