23FSP4
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BrandNational Video Corporation
ClassCathode Ray Tube
BaseB7-208
Filament6.3V @ 600mA
Construction
Primary TypeMonochrome CRT
EnvelopeJ-187-K1
SectionsSingle
Filament / Heater
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage23000 V
Grid 2 Voltage500 V
Grid 1 Voltage-154 V
H-C Voltage200 V
Audio Performance
Key Features
- Straight gun
- No ion trap required
- Filled rim implosion protection
- Aluminized Phosphor
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 16000V | - | - | - | 0.1mA |
Application Notes
The 23FSP4 is a 23 inch 110 degree cathode ray tube. Ultor terminal aligns with Pin No. 4. Grid No. 1 circuit resistance should not exceed 1.5 megohms.
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