Tube-number record
56875
0 archive entries
56875 is a tube type in the TubeDatabase archive (class: Instrument Cathode-Ray Tube). Recorded specifications: brand Professional Display Systems B.V., construction Display / CRT, socket CRT base (B12 family), maximum plate voltage 18000 V, and maximum plate dissipation 0.008 W. The archive does not yet hold a photographed example of this type.
BrandProfessional Display Systems B.V.
ClassInstrument Cathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 100 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular flat face
SectionsSingle beam
Filament / Heater
Warm-up Time7s
Heater NotesIndirectly heated cathode, AC or DC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 10 kV Low Power Operation | 10000 V | — | — | — | — |
| 16.5 kV High Writing Speed Operation | 16500 V | — | — | — | — |
Application Notes
Recommended for compact oscilloscopes with up to 100 MHz bandwidth. Mu-metal shielding recommended for optimum performance. Deflection plates must be operated symmetrically.
Datasheets
Datasheet: 56875.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results