Tube-number record
CK6186
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BrandRaytheon
ClassMiniature Pentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 300 mA
Construction
Primary TypePentode
EnvelopeT-5 1/2 Glass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesHeater voltage variation of ±10% is acceptable, though closer control improves reliability.
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation2.5 W
Grid 2 Voltage250 V
H-C Voltage100 V
Audio Performance
Key Features
- Sharp cutoff
- High transconductance
- Low input and output capacitances
- Dual cathode leads for circuit isolation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 250 V | 5000 | — | — | 7 mA |
Application Notes
Designed for use as an intermediate frequency amplifier or RF amplifier up to 400 megacycles.
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