Tube-number record
5QP4-A
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BrandGeneral Electric
ClassCathode-Ray Tube
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ39 Glass
Base MaterialMedium-shell Octal
Sections1
Filament / Heater
Heater NotesCurrent tolerance is +/- 10%
Absolute Maximum Ratings
Plate Voltage12000 V
Grid 2 Voltage700 V
Grid 1 Voltage-180 V
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized Screen
- High-Resolution Gun
- Spherical Clear Faceplate
- Short Persistence
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| View-finder service | 10000 V | — | — | — | — |
Application Notes
The 5QP4-A is intended for use as a view-finder for television cameras. The high-resolution gun affords an exceptionally narrow trace.
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