Tube-number record
CK1047
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BrandRaytheon
ClassCold Cathode Half-Wave Rectifier
BaseMiniature 7-pin (B7G)
Construction
Primary TypeOther / special
Rectifier TypeHalf-wave
EnvelopeT-5 1/2
Base MaterialPlastic with cut pins
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2800 V
Cathode Current12 mA
Audio Performance
Key Features
- Ruggedized
- Instant starting
- Glow Discharge Cathode
- High vibration resistance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 60Hz Half-Wave Rectifier | 1200 V | — | 7500 | — | 12 mA |
Application Notes
The CK1047 is suitable for high voltage, low current power supplies up to 12 mAdc. Several tubes can be operated in cascode to produce very high voltages. Designed for mobile and aircraft equipments.
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