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30 kW, Water-Cooled RF Terminations
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8750 Series, RF Loads are designed as a compact, low VSWR and non-radiating termination for high-power transmitter/transmission line systems. It generates almost no ambient heat, making installation space minimal and convenient, in any position. The RF power is converted to heat in the hollow resistive film load resistor and directly absorbed by the water flowing through it.

  • Broadband water-cooled loads for long-term RF dissipation when heat must be efficiently transferred away from the area
  • Small size may be carried easily, used in any position and installed anywhere there is a source of potable water
  • 3-1/8" EIA Flanged and flangeless connectors allow termination of full 20 kW up to 900 MHz
  • Requires flow rate of up to 9 gallons (34.2 liters) per minute

product specifications:

Item No

8750 Series

Item Name

30 kW, Water-Cooled Terminations

Power Rating

30 kW continuous

Frequency Range and VSWR

1.1 max. 1 kHz - 900 MHz (DC for continuity checks)


Potable Water

Water Temperture Range

+5 to +60°C

Water Flow Rate

7 gal./minute @ 5 °C to 9 gpm at 60 °C
(26.6 liters/minute @ 5 °C to 34.2 lpm at 60 °C)

Product Type


Operating Position



1/2" FPT or 3/4" hose


See Model Matrix

Input Flange Diameter

5-3/16" Dia. (132 mm)


Black Powder Coat


19-1/2" L x 3-1/2" Dia.
495 x 90 mm


15 lbs. 13 oz. (7.2 kg)

Model Selections

Model Connector
8755 3-1/8" EIA, Flanged
8756 3-1/8" EIA, Unflanged (Flush)

For more information, click here!


Declaration of Conformity