Tube-number record
19EFP4
0 archive entries
BrandNational Video Corporation
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ-149-F1
SectionsSingle
Filament / Heater
Heater NotesHeater warm-up time: 11 seconds
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage60 V
H-C Voltage200 V
Audio Performance
Key Features
- 19-inch 114° banded cathode ray tube
- Straight gun (no ion trap required)
- Banded implosion protection
- Aluminized phosphor
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000 V | — | — | — | 0.1 mA |
Application Notes
Requires no ion trap. Max Grid 1 Circuit Resistance: 1.5 megohms (1500000 Ohms).
Datasheets
Datasheet: 19EFP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results