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| Waveguide Terminations: Maximum Power Ratings |
Waveguide Size |
Frequency Range (GHz) |
VSWR* |
Maximum Power Rating (Watts) |
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Forced Air (Convection) |
Liquid Cooled (Forced) |
Water Load |
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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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