Tube-number record
CK5639WA
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BrandRaytheon
ClassReliable Subminiature Pentode
BaseSubminiature
Filament6.3 V @ 450 mA
Construction
Primary TypePentode
EnvelopeT-3 Glass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesHeater-cathode type
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation3.5 W
Grid 2 Voltage155 V
Cathode Current40 mA
H-C Voltage200 V
Audio Performance
Power Output0.75 W
Key Features
- Long life
- Stable performance
- High shock resistance
- High vibration resistance
- Wide band capability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Video Amplifier | 150 V | 9000 | 50000 | — | 21 mA |
Application Notes
Designed for wide band, RF or video power amplifier service in equipments with low plate supply voltages. Flexible terminal leads may be soldered or welded directly to components.
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