Our 50-Ohm hermetic SMA and SSMA feedthru RF/Microwave connectors are designed for use in military and commercial applications where environmental conditions require an extremely rugged and reliable hermetic seal. PacAero manufactures these connectors from a variety of compatible shell and contact materials, in both laser weld and solder-in styles, which provide excellent electrical and environmental performance characteristics.
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Hermetic SMA, SSMA RF/Microwave Connector Specifications and Testing Configuration
| Specifications | Material Compatibility | Designed for Aluminum, Titanium or Iron/Nickel Alloy Applications |
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| Contact Material | Iron/Nickel Alloys |
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| Shell Finish Options | Passivated, Nickel/Gold Plated or Chromate Conversion Coated as applicable |
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| Contact Finish | Nickel/Gold Plating |
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| Pin Diameter Options | .012″, .015″, .018″, .020″ and Custom |
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| Interface | Per MIL-STD-348 |
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| Nominal Impedance | 50 Ohms |
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| Performance | Leak Rate | Less than 1×10-9cc/sec Helium at 1 atmospheric differential pressure |
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| Thermal Cycling | Tested to 500 (minimum) thermal cycles without hermetic performance loss |
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| Thermal Cycling | Tested to 500 (minimum) thermal cycles without hermetic performance loss |
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| Insulation Resistance | Connectors provide greater than 5,000 Megohms at 500 VDC when tested in IAW MIL-STD-1344, Method 3003 |
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| Dielectric Withstanding Voltage | Connectors exhibit no evidence of breakdown or flashover when tested in IAW MIL-STD-1344, Method 3003 |
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| Corrosion | Connectors meet salt spray test in IAW MIL-STD-1344, Method 3003 |
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| Operating Temperature | -65°C to 200°C |
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