Tube-number record
7JP4
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BrandGeneral Electric
ClassTelevision Picture Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation6 W
Grid 2 Voltage2800 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic focus and deflection
- Zero-first-anode-current electron gun
- 4 by 5 1/4 inch picture area
- Suitable for oscillograph service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation @ 3000V | 3000 V | — | — | — | — |
| Typical Operation @ 6000V | 6000 V | — | — | — | — |
Application Notes
D1 and D2 are recommended for vertical deflection in television service to obtain maximum deflection sensitivity. Grid 1 voltage values provided for visual extinction of undeflected focused spot.
Datasheets
Datasheet: 7JP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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