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Cryogenic Quantum Computing Interconnect Solutions

Radiall Cryogenic Quantum Computing Interconnect Solutions include cable assemblies, attenuators, and coaxial switches ideal for various applications. The semi-rigid cable assemblies use proprietary/specific technologies to tolerate lower temperatures up to tens of mK, and these technologies have been tested in the laboratory and the field. Due to space constraints, miniature and multi-coaxial connectors with semi-rigid cables are vital in quantum computing. RF attenuators are used in different stages of the thermal dilution refrigerator, reducing the thermal noise in the signal. The signal-to-noise ratio (SNR) increases due to the RF lines within each layer, requiring the attenuator for the thermalized layer to protect the signal level. Radiall cryogenic switches function at extremely low temperatures (-273°C) and actuate at low power. The switches can be easily integrated into equipment and are an ideal solution for various laboratory applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
RF Cable Assemblies 2 SMA STR PLUG Hand-formable .085 Lg 500mm (Outside) Quantum Computing R294C2312021 Radiall 1: $94.06 5In Stock	Mfr. Part No. R294C2312021 Mouser Part No 501-R294C2312021	Radiall	RF Cable Assemblies 2 SMA STR PLUG Hand-formable .085 Lg 500mm (Outside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	5In Stock	$94.06 $83.55 $80.34 $77.64 $68.94	Min.: 1 Mult.: 1
Coaxial Switches SP6T Ramses SubMiniSMA26.5GHz Ltch 12Vdc Pins TermBiP ActComm Quantum Computing R5927B2141 Radiall 1: $3,302.76 4In Stock 5Expected 2026/12/31	Mfr. Part No. R5927B2141 Mouser Part No 501-R5927B2141	Radiall	Coaxial Switches SP6T Ramses SubMiniSMA26.5GHz Ltch 12Vdc Pins TermBiP ActComm Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	4In Stock 5Expected 2026/12/31	$3,302.76	Min.: 1 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 2000mm (Outside) Quantum Computing R294C2312005 Radiall 1: $355.46 10In Stock	Mfr. Part No. R294C2312005 Mouser Part No 501-R294C2312005	Radiall	RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 2000mm (Outside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	10In Stock	$355.46 $354.16 $299.26	Min.: 1 Mult.: 1
RF Switch ICs Specific SP12T Ramses SMA 18GHz Square Flange Latching 28Vdc Pins TerminalsBipolar Actuator Command for cryogenic application with brass material R5834B3141BR Radiall 1: $11,244.90 1In Stock New Product	Mfr. Part No. R5834B3141BR Mouser Part No 501-R5834B3141BR New Product	Radiall	RF Switch ICs Specific SP12T Ramses SMA 18GHz Square Flange Latching 28Vdc Pins TerminalsBipolar Actuator Command for cryogenic application with brass material Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	1In Stock	$11,244.90	Min.: 1 Mult.: 1
RF Switch ICs Specific SP6T Ramses Sub-miniature SMA 26.5GHz Latching 12Vdc Pins Terminals Bipolar Actuator Command for cryogenic application with brass material R5927B2141BR Radiall 1: $5,671.58 3In Stock New Product	Mfr. Part No. R5927B2141BR Mouser Part No 501-R5927B2141BR New Product	Radiall	RF Switch ICs Specific SP6T Ramses Sub-miniature SMA 26.5GHz Latching 12Vdc Pins Terminals Bipolar Actuator Command for cryogenic application with brass material Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	3In Stock	$5,671.58	Min.: 1 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 200mm Loop(Inside)10mK App. Quantum Computing R294C2312015 Radiall 1: $434.75 1In Stock	Mfr. Part No. R294C2312015 Mouser Part No 501-R294C2312015	Radiall	RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 200mm Loop(Inside)10mK App. Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	1In Stock	$434.75 $433.15 $366.02	Min.: 1 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 100mm S (Inside)10mK App. Quantum Computing R294C2312017 Radiall 1: $301.22 1In Stock	Mfr. Part No. R294C2312017 Mouser Part No 501-R294C2312017	Radiall	RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 100mm S (Inside)10mK App. Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	1In Stock	$301.22 $291.72 $245.29	Min.: 1 Mult.: 1
Attenuators - Interconnects SMA ATTENUATOR 20 DB 18 GHZ 2W Cryogenic Quantum Computing R429820000 Radiall 1: $656.27 5In Stock	Mfr. Part No. R429820000 Mouser Part No 501-R429820000	Radiall	Attenuators - Interconnects SMA ATTENUATOR 20 DB 18 GHZ 2W Cryogenic Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	5In Stock	$656.27 $608.09	Min.: 1 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 250mm (Outside of cryogenic Fridge) R294C2312001 Radiall 1: $98.51 Non-Stocked	Mfr. Part No. R294C2312001 Mouser Part No 501-R294C2312001	Radiall	RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 250mm (Outside of cryogenic Fridge) Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$98.51 $87.48 $84.12 $81.32 $72.20	Min.: 1 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 500mm (Outside) Quantum Computing R294C2312002 Radiall 1: $107.54 Non-Stocked	Mfr. Part No. R294C2312002 Mouser Part No 501-R294C2312002	Radiall	RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 500mm (Outside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$107.54 $95.51 $91.83 $88.77 $78.80	Min.: 1 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 1000mm (Outside) Quantum Computing R294C2312003 Radiall 1: $125.24 Non-Stocked	Mfr. Part No. R294C2312003 Mouser Part No 501-R294C2312003	Radiall	RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 1000mm (Outside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$125.24 $111.23 $106.95 $103.38 $91.78	Min.: 1 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 1500mm (Outside) Quantum Computing R294C2312004 Radiall 1: $138.35 Non-Stocked	Mfr. Part No. R294C2312004 Mouser Part No 501-R294C2312004	Radiall	RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 1500mm (Outside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$138.35 $126.98 $122.09 $118.01 $104.77	Min.: 1 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 2500mm (Outside) Quantum Computing R294C2312006 Radiall 5: $370.44 Non-Stocked	Mfr. Part No. R294C2312006 Mouser Part No 501-R294C2312006	Radiall	RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 2500mm (Outside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$370.44 $369.05 $311.86	Min.: 5 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 3000mm (Outside) Quantum Computing R294C2312007 Radiall 5: $385.41 Non-Stocked	Mfr. Part No. R294C2312007 Mouser Part No 501-R294C2312007	Radiall	RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 3000mm (Outside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$385.41 $383.99 $324.47	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemiRigid .034 NbTi Con. Lg 100mm (Loop)(Inside) Quantum Computing R294C2312008 Radiall 5: $1,868.58 Non-Stocked	Mfr. Part No. R294C2312008 Mouser Part No 501-R294C2312008	Radiall	RF Cable Assemblies 2SMA StrPlg SemiRigid .034 NbTi Con. Lg 100mm (Loop)(Inside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$1,868.58	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out con Lg 200mm Loop(Inside) Quantum Computing R294C2312009 Radiall 5: $2,978.68 Non-Stocked	Mfr. Part No. R294C2312009 Mouser Part No 501-R294C2312009	Radiall	RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out con Lg 200mm Loop(Inside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$2,978.68	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out con Lg 450mm Loop(Inside) Quantum Computing R294C2312010 Radiall 5: $4,274.68 Non-Stocked	Mfr. Part No. R294C2312010 Mouser Part No 501-R294C2312010	Radiall	RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out con Lg 450mm Loop(Inside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$4,274.68	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out Lg 100mm (S)(Inside) Quantum Computing R294C2312011 Radiall 5: $1,705.82 Non-Stocked	Mfr. Part No. R294C2312011 Mouser Part No 501-R294C2312011	Radiall	RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out Lg 100mm (S)(Inside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$1,705.82	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out Lg 200mm (S)(Inside) Quantum Computing R294C2312012 Radiall 5: $2,840.28 Non-Stocked	Mfr. Part No. R294C2312012 Mouser Part No 501-R294C2312012	Radiall	RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out Lg 200mm (S)(Inside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$2,840.28	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemiRigid .034 NbTi In&Out Lg 450mm (S)(Inside) Quantum Computing R294C2312013 Radiall 5: $4,170.87 Non-Stocked	Mfr. Part No. R294C2312013 Mouser Part No 501-R294C2312013	Radiall	RF Cable Assemblies 2SMA StrPlg SemiRigid .034 NbTi In&Out Lg 450mm (S)(Inside) Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$4,170.87	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 100mm Loop(Inside)10mK App. Quantum Computing R294C2312014 Radiall 5: $328.61 Non-Stocked	Mfr. Part No. R294C2312014 Mouser Part No 501-R294C2312014	Radiall	RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 100mm Loop(Inside)10mK App. Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$328.61 $327.38 $276.64	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 450mm Loop(Inside)10mK App. Quantum Computing R294C2312016 Radiall 5: $473.47 Non-Stocked	Mfr. Part No. R294C2312016 Mouser Part No 501-R294C2312016	Radiall	RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 450mm Loop(Inside)10mK App. Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$473.47	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 200mm S (Inside)10mK App. Quantum Computing R294C2312018 Radiall 5: $372.66 Non-Stocked	Mfr. Part No. R294C2312018 Mouser Part No 501-R294C2312018	Radiall	RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 200mm S (Inside)10mK App. Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$372.66 $371.28 $313.73	Min.: 5 Mult.: 1
RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 450mm S (Inside)10mK App. Quantum Computing R294C2312019 Radiall 5: $466.07 Non-Stocked	Mfr. Part No. R294C2312019 Mouser Part No 501-R294C2312019	Radiall	RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 450mm S (Inside)10mK App. Quantum Computing Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$466.07	Min.: 5 Mult.: 1
RF Cable Assemblies 2 SMA STR PLUG Hand-formable .085 Lg 250mm (Outside of cryogenic Fridge) R294C2312020 Radiall 1: $91.16 Non-Stocked	Mfr. Part No. R294C2312020 Mouser Part No 501-R294C2312020	Radiall	RF Cable Assemblies 2 SMA STR PLUG Hand-formable .085 Lg 250mm (Outside of cryogenic Fridge) Learn More about Radiall cryogenic quantum interconnect solutions	Datasheet	Non-Stocked	$91.16 $80.97 $77.84 $75.25 $66.81	Min.: 1 Mult.: 1

Cryogenic Quantum Computing Interconnect Solutions

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