Tube-number record
CK6245
0 archive entries
CK6245 is a tube type in the TubeDatabase archive (class: Reliable Subminiature Pentode). Recorded specifications: brand Raytheon, construction Pentode, base Glass, socket Subminiature, maximum plate voltage 200 V, and maximum plate dissipation 1.85 W. The archive does not yet hold a photographed example of this type.
BrandRaytheon
ClassReliable Subminiature Pentode
BaseSubminiature
Filament6.3 V @ 200 mA
Construction
Primary TypePentode
EnvelopeT-3 Glass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesHeater-cathode type
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Test Conditions | 120 V | 5000 | 150000 | — | 7.5 mA |
| Low Voltage Normal Operation | 20 V | 3275 | — | — | 2.5 mA |
Application Notes
Separate terminal connection for Grid #3 permits cathode by-pass capacitor to be omitted for lower grid loading.
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