Tube-number record
23EWP4A
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BrandSYLVANIA
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeRectangular Glass
EnvelopeJ187L
Sections1
Filament / Heater
Heater NotesHeater Warm-up Time: 11 Seconds
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage200 V
Audio Performance
Key Features
- 23” Direct Viewed
- Gray Filter Glass
- Aluminized Screen
- No Ion Trap
- Banded Tube Integral Implosion Protection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 18000 V | — | — | — | — |
| Cathode Drive Service | 18000 V | — | — | — | — |
Application Notes
X-ray radiation shielding may be necessary if operated higher than 16,000 volts.
Datasheets
Datasheet: 23EWP4A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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