5NP1, 5NP4
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BrandSylvania
ClassCathode Ray Tube
BaseMagnal
Filament6.3V @ 0.6mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ-42-G
Base MaterialSleeve
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage2200 V
Grid 2 Voltage1100 V
Audio Performance
Key Features
- Electrostatic focus
- Electrostatic deflection
- Large Wafer Magnal 11-pin base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operation 1 | 1500V | - | - | - | - |
| Operation 2 | 2000V | - | - | - | - |
Application Notes
Grid #1 voltage should never be positive. Grid voltage for cut-off is voltage necessary for visual extinction of the unfocused, focused spot.
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