23FRP4
0 Tubes in archive
BrandNational Video Corporation
ClassCathode Ray Tube
BaseB7-208
Filament6.3V @ 450mA
Construction
Primary TypeCRT
EnvelopeJ-187-K1
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater NotesHeater-cathode voltage max 450V during warm-up, 200V after.
Absolute Maximum Ratings
Plate Voltage23000 V
H-C Voltage450 V
Audio Performance
Key Features
- Filled rim
- Straight gun
- No ion trap
- Aluminized phosphor
- 50 volt G2 for cathode drive design
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000V | - | - | - | - |
Application Notes
Visual extinction of focused raster at cathode voltage 35 to 55V DC.
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