3CX5000A7
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BrandVarian EIMAC
ClassHigh-Mu Power Triode
BaseNone (Direct Chassis Mounting)
Filament10V @ 17500mA
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialOxide-coated Unipotential
Warm-up Time300s
Heater NotesVoltage should be maintained within plus or minus 0.5 volt.
Absolute Maximum Ratings
Plate Voltage6500 V
Plate Dissipation5000 W
Cathode Current2500 mA
Audio Performance
Power Output5000 W
Key Features
- Forced-air cooled
- Beam-forming cathode
- Low grid interception
- Ceramic/metal construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB Cathode Driven | 4000V | - | - | 200 | 1250mA |
| Class AB Cathode Driven | 5000V | - | - | 200 | 1450mA |
| Class AB Cathode Driven | 6000V | - | - | 200 | 1550mA |
Application Notes
Designed for use as a cathode-driven Class AB rf amplifier or Class C power amplifier. Tube does not require a socket and is bolted directly to the chassis.
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