Tube-number record
CK6999
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BrandRaytheon
ClassSubminiature Pentode
BaseFlexible / flying leads
Construction
Primary TypePentode
EnvelopeT-2x3 Glass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage145 V
Plate Dissipation0.75 W
Grid 2 Voltage95 V
Cathode Current7 mA
Audio Performance
Typical THD11.5%
Power Output0.135 W
Key Features
- Subminiature construction
- Filament type
- Flexible terminal leads
- Designed for wearable and portable equipment
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Power Amplifier | 67.5 V | 1650 | — | — | 4 mA |
Application Notes
The flexible terminal leads may be soldered or welded directly to the terminals of circuit components without the use of sockets. Standard inline subminiature sockets may be used by cutting the leads to a suitable length.
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