Tube-number record
17FP4 / 17FP4A
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BrandTung-Sol
ClassCathode Ray Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeRectangular Glass
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage410 V
Grid 1 Voltage-125 V
H-C Voltage150 V
Audio Performance
Key Features
- Electrostatic Focus
- Magnetic Deflection
- Unipotential Cathode
- Grey Filter Faceplate
- External Single Field Ion Trap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard TV Operation | 12000 V | — | — | — | 0.1 mA |
Application Notes
The 17FP4 and 17FP4A are identical except for the external coating; 17FP4 has a partial coating while 17FP4A has a complete external coating.
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