Tube-number record
3SP1
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3SP1 is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, base Small Shell Duodecal 12-Pin, socket CRT base (B12 family), maximum plate voltage 3000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassOscilloscope Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialSmall Shell Duodecal 12-Pin
SectionsSingle-gun
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 2000 V | — | — | — | — |
Application Notes
Deflecting plates 1 & 2 scan the major dimension. Plates 3 & 4 scan the minor dimension.
Datasheets
Datasheet: 3SP1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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