Tube-number record
3CW30,000H3
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BrandEimac
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeCeramic-Metal
Sections1
Filament / Heater
MaterialThoriated-Tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation30000 W
Grid 1 Voltage-1000 V
Cathode Current6000 mA
Audio Performance
Key Features
- Water-cooled anode
- Ceramic-metal seals
- Thoriated-tungsten filament
- 90 MHz operation at full ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C Industrial Oscillator (7kV) | 7000 V | — | — | 20 | 6000 mA |
| Class-C Industrial Oscillator (10kV) | 10000 V | — | — | 20 | 6000 mA |
Application Notes
Designed for industrial radio-frequency heating services. Anode cooling requires minimum water flow based on dissipation levels. Approximately 50 cfm forced-air cooling required for base seals.
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