Tube-number record
22CP7
0 archive entries
22CP7 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Rauland, year 1956, construction Display / CRT, base Small Shell Duodecal 5-pin, socket Duodecal, maximum plate voltage 16000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandRauland
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRound Metal
Base MaterialSmall Shell Duodecal 5-pin
Sections1
Filament / Heater
Warm-up Time1s
Absolute Maximum Ratings
Plate Voltage16000 V
Plate Dissipation6 W
Grid 2 Voltage1100 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- Long persistence screen
- Almost completely flat face
- Minimized parallax error
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Display | 12000 V | — | — | — | — |
Application Notes
Suitable for radar application. Screen can be permanently damaged should the current density be permitted to rise too high.
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