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| Waveguide Terminations: Maximum Power Ratings |
| Waveguide Size | Frequency Range (GHz) |
VSWR* | Maximum Power Rating (Watts) | ||
| Forced Air (Convection) |
Liquid Cooled (Forced) |
Water Load | |||
| WR430 | 1.70 - 2.60 | 1.15:1 | 10,000 | 15,000 | 30,000 |
| WR340 | 2.20 - 3.30 | 1.15:1 | 10,000 | 15,000 | 25,000 |
| WR284 | 2.60 - 3.95 | 1.15:1 | 9,000 | 12,000 | 20,000 |
| WR187 | 3.95 - 5.85 | 1.15:1 | 7,500 | 12,000 | 20,000 |
| WR137 | 5.85 - 8.20 | 1.15:1 | 7,500 | 10,000 | 17,000 |
| WR112 | 7.05 - 10.00 | 1.15:1 | 5,000 | 7,000 | 15,000 |
| WR90 | 8.20 - 12.40 | 1.15:1 | 5,000 | 7,000 | 15,000 |
| WR75 | 10.00 - 15.00 | 1.20:1 | 3,000 | 5,000 | 10,000 |
| WR62 | 12.40 - 18.00 | 1.20:1 | 3,000 | 4,000 | 10,000 |
| WR42 | 18.00 - 26.50 | 1.30:1 | 2,000 | 2,500 | 7,000 |
| WR28 | 16.50 - 40.00 | 1.30:1 | 1,500 | 2,500 | 5,000 |
| * Typical VSWR for full band unit. VSWR may be optimized for narrower bandwidths. Forced air power rating can be increased 150% with coolant, 300% as a water load. Flow rate for forced coolant models should be at least 3 Gal/minute (4 Gal/minute preferred) |
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