Tube-number record
86D14
0 archive entries
86D14 is a tube type in the TubeDatabase archive (class: Instrument Cathode Ray Tube). Recorded specifications: brand Philips Elcoma, construction Display / CRT, base All glass, socket CRT base (B12 family), and maximum plate voltage 24000 V. The archive does not yet hold a photographed example of this type.
BrandPhilips Elcoma
ClassInstrument Cathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 240 mA
Construction
Primary TypeDisplay / CRT
EnvelopeFlat-faced with domed mesh
Base MaterialAll glass
SectionsSymmetrical helix deflection system
Filament / Heater
Heater NotesIndirect heating, quick heating, approx. 5s warm-up time
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Instrument display | 24000 V | — | — | — | — |
Application Notes
Intended for oscilloscopes with up to 500 MHz bandwidth. Features high photographic writing speed.
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