from 2 to 50 GHz
|
EIA WR |
Frequency Range (GHz) |
External Dimensions (mm) |
Internal Dimensions (mm) |
External Tolerances |
Wall Thickness (mm) |
Aviable |
|
137 |
5.38 – 8.18 |
38.100 x 19.050 |
34.849 x 15.799 |
±0.051 / ±0.046 |
1.625 |
200 mt |
|
112 |
6.58 – 10.0 |
31.750 x 15.880 |
28.499 x 12.624 |
±0.051 / ±0.038 |
1.625 |
200 mt |
|
90 |
8.20 – 12.5 |
25.400 x 12.700 |
22.860 x 10.160 |
±0.025 / ±0.025 |
1.270 |
200 mt |
| INVAR (Nilo 36) | ||
| Coefficent of Thermal Expansion | unit | value |
| 20-100°C | 10-6/°C | 0.8 - 1.7 |
| 20-100°C | 10-6/°C | 2.2 - 2.9 |
| Density | g/cm3 | 8.13 |
| Curie Temp | °F | 446 |
| °C | 230 | |
| Meltng Point | °F | 2462 |
| °C | 1450 | |
| Modulus of Elasticity at 20°C | MPa | 145000 |
| Youngs / Shears Modulus | MPa | 57000 |
| Specific Heat at 20°C | J/g-°C | 0.51 |
| Thermal Conductivity at 20°C | J/cm.s.°C | 0.105 |
| Poisson's coefficent | 0.25 | |
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