Tube-number record
8524
0 archive entries
8524 is a tube type in the TubeDatabase archive (class: Sharp-Cutoff Pentode). Recorded specifications: brand Toshiba, construction Pentode, base Ceramic, socket Subminiature, maximum plate voltage 165 V, and maximum plate dissipation 0.55 W. The archive does not yet hold a photographed example of this type.
BrandToshiba
ClassSharp-Cutoff Pentode
BaseSubminiature
Filament6.3 V @ 150 mA
Construction
Primary TypePentode
EnvelopeMetal Shell
Base MaterialCeramic
SectionsSingle
Filament / Heater
Heater NotesCoated unipotential cathode
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier (G3 to Cathode) | 100 V | 3200 | 110000 | — | 5.3 mA |
| Class A1 Amplifier (G3 at -1V) | 100 V | 1950 | 50000 | — | 4 mA |
| Mixer Operation | 100 V | 1280 | 320000 | — | 3.5 mA |
Application Notes
Designed for use in gated amplifier circuits, delay circuits, mixer circuits up to 400 Mc/s, and gain controlled amplifier circuits in military and critical industrial applications.
Datasheets
Datasheet: 8524.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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