Tube-number record
B 13 S 25
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B 13 S 25 is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: brand RFT / WF, construction Display / CRT, base Plastic/Metal, socket 14-pin all-glass, and maximum plate voltage 8000 V. The archive does not yet hold a photographed example of this type.
BrandRFT / WF
ClassOscilloscope Tube
Base14-pin all-glass
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic/Metal
Sections2
Filament / Heater
Heater NotesParallel heating
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Symmetrical Deflection | 4000 V | — | — | — | — |
Application Notes
Broadband dual-beam oscilloscope tube with flat screen and post-acceleration for symmetrical deflection.
Datasheets
Datasheet: B13S25.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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