Industrial - Amplifiers

Product catalog summary

Overview: The EIMAC 4CM2500KG is a high-power ceramic/metal tetrode designed for RF applications. It features a thoriated tungsten mesh filament and pyrolytic graphite grids, supporting high anode dissipation up to 2500 kilowatts. Cooling is achieved through a multi-phase water/vapor system.

Specifications:

Filament: Thoriated Tungsten Mesh, 15.5 V, 640 A
Frequency: Maximum 130 MHz, useful over 200 MHz
Capacitances: Various interelectrode capacitances provided
Mechanical: Net weight 161 lb, vertical mounting, water and forced air cooling
Maximum Ratings: Anode voltage 27 kV, screen voltage 2.5 kV, anode current 190 A

Cooling Requirements:

High velocity water cooling is essential to prevent overheating and ensure efficiency.
Water resistance should be one megohm per cubic centimeter or higher.
Base cooling requires a minimum of 50 cfm of air at 50°C.

Handling and Storage:

Use a lifting hoist for handling; avoid shocks and vibrations.
Store in original crate, purge water from cooling systems, and monitor vacuum with a VAC-ION pump.

Electrical Operation:

Filament voltage should be increased gradually over two minutes.
High voltage safety precautions are critical; interlock switches are mandatory.
Filament operation should avoid inrush currents exceeding twice the normal operating current.

VACION Pump Operation:

Used for monitoring tube vacuum; should operate continuously.
Normal ion current reading is less than 10 uAdc; shutdown if it exceeds 50 uAdc.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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