Tube-number record
3CX3000F7/8162
0 archive entries
3CX3000F7/8162 is a tube type in the TubeDatabase archive (class: High-Mu Power Triode). Recorded specifications: brand Svetlana, construction Triode, socket Flexible / flying leads, maximum plate voltage 5000 V, and maximum plate dissipation 4000 W. The archive does not yet hold a photographed example of this type.
BrandSvetlana
ClassHigh-Mu Power Triode
BaseFlexible / flying leads
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
SectionsSingle
Filament / Heater
MaterialThoriated-tungsten mesh
Absolute Maximum Ratings
Plate Voltage5000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode-Driven RF Linear Amplifier, Class AB2 | 4000 V | — | — | 160 | 2000 mA |
| Cathode-Driven RF Linear Amplifier, Class AB2 (Alt) | 4800 V | — | — | 160 | 1680 mA |
| Cathode-Driven Class C RF Amplifier | 4800 V | — | — | 160 |
Application Notes
Recommended loaded Q of at least 3 for grounded-grid operation in single-ended circuits. Requires forced-air cooling to maintain seal temperatures below 250 C.
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