5CX3000A
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BrandEIMAC (Division of Varian)
ClassRadial-Beam Power Pentode
BaseEIMAC SK-1420 series
Construction
Primary TypePentode
EnvelopeCeramic and Metal
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage7000 V
Plate Dissipation4000 W
Grid 2 Voltage1000 V
Cathode Current2000 mA
Audio Performance
Power Output11000 W
Key Features
- Ceramic and metal construction
- Low intermodulation distortion
- Suitable for single side-band service
- Forced air cooling
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C Telegraphy or FM Telephony | 6800V | - | - | 5.5 | 1640mA |
| Class-AB Audio (Two Tubes) | 6000V | - | - | - | 1450mA |
| Class-AB RF Linear Amplifier | 6000V | - | 2350 | - | 1445mA |
Application Notes
The EIMAC 5CX3000A is designed for Class-AB linear amplifier service in audio or RF applications. It features high gain and low distortion.
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