Tube-number record
10NP4
0 archive entries
10NP4 is a tube type in the TubeDatabase archive (class: Video Recording Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, socket Duodecal, and maximum plate voltage 25000 V. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassVideo Recording Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRound Glass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage25000 V
Grid 1 Voltage-450 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended Operating Conditions | 18000 V | — | — | — | — |
Application Notes
Visual extinction of undeflected focused spot occurs between -65 to -125 Volts. X-ray radiation shielding may be necessary if operated at higher than 16,000 volts.
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