Tube-number record
CK1381P-
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BrandRaytheon
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGray filter glass
Sections1
Filament / Heater
Heater Notes6.3V +/- 10%
Absolute Maximum Ratings
Plate Voltage18000 V
Plate Dissipation6 W
Grid 2 Voltage700 V
Grid 1 Voltage-180 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic focus
- Magnetic deflection
- High resolution electron gun
- Metallized hi-efficiency screen
- Gray filter glass faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 14000 V | — | — | — | 0.25 mA |
Application Notes
Suitable for radar applications. A low-voltage electrostatic focus lens is employed to afford substantially automatic focus independent of accelerator voltage variations.
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