Tube-number record
19ETP4
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BrandNational Video Corporation
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ-149-F1L
Base MaterialGlass
Sections1
Filament / Heater
Warm-up Time11s
Heater NotesHeater warm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage21000 V
Grid 2 Voltage60 V
H-C Voltage200 V
Audio Performance
Key Features
- Banded implosion protection
- Straight gun
- No ion trap required
- Electrostatic focusing
- Magnetic deflection
- Aluminized phosphor
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000 V | — | — | — | — |
Application Notes
The 19ETP4 is a 19-inch 114-degree banded tube with mounting lugs and a 4 3/8 inch neck length. Individual tubes will have satisfactory focus at some value between 0 and +400 volts.
Datasheets
Datasheet: 19ETP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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