Tube-number record
8426
0 archive entries
8426 is a tube type in the TubeDatabase archive (class: Receiving Tube). Recorded specifications: brand Westinghouse, construction Pentode, base Glass, socket Miniature 7-pin (B7G), maximum plate voltage 330 V, and maximum plate dissipation 3.5 W. The archive does not yet hold a photographed example of this type.
BrandWestinghouse
ClassReceiving Tube
BaseMiniature 7-pin (B7G)
Filament12.6 V @ 150 mA
Construction
Primary TypePentode
EnvelopeT-5 1/2
Base MaterialGlass
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage330 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Class A - Op 1 | 100 V | 4500 | 600000 | — | 5.5 mA |
| Pentode Class A - Op 2 | 250 V | 5500 | 1300000 | — | 7.6 mA |
| Pentode Class A - Op 3 | 250 V | 6200 | 1100000 | — | 10.5 mA |
Datasheets
Datasheet: 8426.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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