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Smiths Interconnect’s SpaceNXT™ product line is a portfolio of pre-tested, space-qualified components developed to accelerate satellite programs and reduce risk, cost, and lead times. Designed to meet the needs of LEO, MEO, and GEO missions, the SpaceNXT™ range offers COTS-based solutions with space heritage—ready to deploy in critical space environments.
Cable Assemblies
SpaceNXT™ QT Series
- Mode-free up to 110 GHz – ideal for high-frequency use
- Stainless steel or BeCu connectors – >500 mating cycles (where applicable)
- Low-loss dielectric – reduced attenuation and power loss
- >–90 dB shielding – excellent RF leakage and crosstalk protection
- ETFE jackets – high radiation resistance
- NASA/ESA outgassing compliant
- 100% flight test data available
SpaceNXT™ Q Series
- Up to 40 GHz
- 100% Flight Test Data
- Low Loss Dielectric Material to Provide Low Attenuation
- Superior Shielding Effectiveness
- Direct Solder Sleeves to Outer Braids for Superior Reliability
- Vented Connector Designs Where Needed
- Stainless Steel Connectors or BeCu Connectors
Temperature variable attenuators
SpaceNXT™ HC Series
- Up to 18 GHz frequency supported
- Attenuation values from 0 dB to 20 dB
- Design flexibility
- Solderable surface mount
- Wide attenuation and TCA shifts available
High Power Waveguide Circulators & Loads
SpaceNXT™ Ku Series
- Guaranteed low and stable insertion loss under maximum power
- Multipaction and Corona Test Reports available
- Proven Circulator design tested to 350 Watts CW Power
- Proven Load design tested to 267 Watts average CW Power
- Tested to meet Electro Magnetic Compatibility (EMC) specification to -80 dBi
- Low Mass – Aluminum Housing with Chromate Finish
Couplers
SpaceNXT™ MWC Series
- 2-port Ku-Band isolated splitter
- Operating from 10.7 to 12.8 GHz
- Return loss all ports 18 dB min
- Low insertion loss, <1.4 dB over temperature
- Independently isolated outputs
- Field replaceable SMA connectors
- EMC shielded, RoHS stackable housing
Resistors and Terminations
SpaceNXT Outrigger Termination
- Up to 27 GHz of operating frequency when properly matched in a coplanar waveguide structure.
- Up to 12.5 watts of power to supply a wide array of applications and satisfy different customers’ needs.
- Robust thick and film process technology, ideal for harsh environments.
- Standard resistance values ranging from 10-500 ohms with a standard tolerance of ±5%.
- Power handling performance tested according to MIL-PRF-55432 to ensure series qualification.