8750 Series – 30 kW, Water-Cooled RF Terminations
30 kW, Water-Cooled RF Terminations
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.
Features
- 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
Model Selections
| Model | Connector |
|---|---|
| 8755 | 3 1/8 in EIA, Flanged |
| 8756 | 3 1/8 in EIA, Unflanged (Flush) |
| Product | Description |
|---|---|
| Item No | 8750 Series |
| Item Name | 30 kW, Water-Cooled Terminations |
| Power Rating | 30 kW continuous |
| Frequency Range and VSWR | 1 kHz to 900 MHz @ ≤ 1.10 max (DC for continuity checks) |
| Coolant | Potable Water |
| Water Temperature Range | +5° to +45°C |
| Water Flow Rate | 7 gal/minute @ 5°C to 9 gpm @ 60°C (26.6 liters/minute @ 5°C to 34.2 lpm @ 60°C) |
| Product Type | Water-Cooled |
| Operating Position | Any |
| Waterlines | 1/2 in FPT or 3/4 in hose |
| Connectors | See Model Matrix |
| Input Flange Diameter | 5-3/16 in Dia (132 mm) |
| Finish | Black Powder Coat |
| Dimensions | 19.5 in L x 3.5 in dia (495 mm x 90 mm) |
| Weight | 15 lbs (7.2 kg) |
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