3NP4
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BrandNorth American Philips Co., Inc.
ClassCathode Ray Tube
BaseJETEC 5-Contact Radial
Filament6.3V @ 600mA
Construction
Primary TypeElectromagnetic Focus & Deflection
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage26000 V
Grid 1 Voltage-125 V
H-C Voltage125 V
Audio Performance
Key Features
- Projection Television Tube
- Electromagnetic Focus
- Electromagnetic Deflection
- External Conductive Coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Magnetic Deflection | 25000V | - | - | - | 0.004mA |
Application Notes
The 3NP4 is a magnetic focus and magnetic deflection projection tube designed primarily for use with reflective optical systems. It has an external conductive coating.
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