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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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Part #

Coaxial Switches SP6T Ramses SubMiniSMA26.5GHz Ltch 12Vdc Pins TermBiP ActComm Quantum Computing

R5927B2141
Radiall
1: $5,283.46
6In Stock

Mfr. Part No.
R5927B2141

Mouser Part No
501-R5927B2141

Radiall

Coaxial Switches SP6T Ramses SubMiniSMA26.5GHz Ltch 12Vdc Pins TermBiP ActComm Quantum Computing

Datasheet

6In Stock

$5,283.46

Min.: 1
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 200mm Loop(Inside)10mK App. Quantum Computing

R294C2312015
Radiall
1: $695.49
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

Datasheet

1In Stock

$695.49

$692.91

$584.99

Min.: 1
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 500mm (Outside) Quantum Computing

R294C2312002
Radiall
1: $166.48
6In Stock

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

Datasheet

6In Stock

$166.48

$152.78

$146.90

$142.00

View

Min.: 1
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG Hand-formable .085 Lg 500mm (Outside) Quantum Computing

R294C2312021
Radiall
1: $145.63
7In 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

Datasheet

7In Stock

$145.63

$133.65

$128.51

$124.21

View

Min.: 1
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 2000mm (Outside) Quantum Computing

R294C2312005
Radiall
1: $568.64
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

Datasheet

10In Stock

$568.64

$566.54

$478.32

Min.: 1
Mult.: 1

Attenuators - Interconnects SMA ATTENUATOR 20 DB 18 GHZ 2W Cryogenic Quantum Computing

R429820000
Radiall
1: $1,049.84
5In Stock

Mfr. Part No.
R429820000

Mouser Part No
501-R429820000

Radiall

Attenuators - Interconnects SMA ATTENUATOR 20 DB 18 GHZ 2W Cryogenic Quantum Computing

Datasheet

5In Stock

$1,049.84

$972.77

Min.: 1
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 100mm S (Inside)10mK App. Quantum Computing

R294C2312017
Radiall
1: $477.58
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

Datasheet

1In Stock

$477.58

$466.66

$392.06

Min.: 1
Mult.: 1

Coaxial Switches Cryogenic SP6T Ramses SMA 18GHz Latching 28Vdc D-SUB Male Connector Bipolar Actuator Command

R583423141
Radiall
1: $5,946.06
4In Stock
Verify Status with Factory

Mfr. Part No.
R583423141

Mouser Part No
501-R583423141

Verify Status with Factory

Radiall

Coaxial Switches Cryogenic SP6T Ramses SMA 18GHz Latching 28Vdc D-SUB Male Connector Bipolar Actuator Command

Datasheet

4In Stock

$5,946.06

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: $16,699.20
1Expected 6/03/2026
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

Datasheet

1Expected 6/03/2026

$16,699.20

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: $8,904.59
3Expected 20/02/2026
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

Datasheet

3Expected 20/02/2026

$8,904.59

Min.: 1
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 250mm (Outside of cryogenic Fridge)

R294C2312001
Radiall
1: $152.50
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)

Datasheet

Non-Stocked

$152.50

$139.95

$134.56

$130.08

View

Min.: 1
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 1000mm (Outside) Quantum Computing

R294C2312003
Radiall
1: $193.89
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

Datasheet

Non-Stocked

$193.89

$177.94

$171.09

$165.38

View

Min.: 1
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG Semi Rigid .085 Lg 1500mm (Outside) Quantum Computing

R294C2312004
Radiall
1: $221.33
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

Datasheet

Non-Stocked

$221.33

$203.12

$195.31

$188.88

View

Min.: 1
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 2500mm (Outside) Quantum Computing

R294C2312006
Radiall
5: $592.58
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

Datasheet

Non-Stocked

$592.58

$590.40

$498.45

Min.: 5
Mult.: 1

RF Cable Assemblies 2 SMA STR PLUG SMP Semi Rigid .085 Lg 3000mm (Outside) Quantum Computing

R294C2312007
Radiall
5: $616.54
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

Datasheet

Non-Stocked

$616.54

$614.27

$518.62

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemiRigid .034 NbTi Con. Lg 100mm (Loop)(Inside) Quantum Computing

R294C2312008
Radiall
5: $2,885.70
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

Datasheet

Non-Stocked

$2,885.70

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out con Lg 200mm Loop(Inside) Quantum Computing

R294C2312009
Radiall
5: $4,515.41
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

Datasheet

Non-Stocked

$4,515.41

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out con Lg 450mm Loop(Inside) Quantum Computing

R294C2312010
Radiall
5: $6,479.73
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

Datasheet

Non-Stocked

$6,479.73

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out Lg 100mm (S)(Inside) Quantum Computing

R294C2312011
Radiall
5: $2,634.34
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

Datasheet

Non-Stocked

$2,634.34

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemiRig .034 NbTi In&Out Lg 200mm (S)(Inside) Quantum Computing

R294C2312012
Radiall
5: $4,305.47
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

Datasheet

Non-Stocked

$4,305.47

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemiRigid .034 NbTi In&Out Lg 450mm (S)(Inside) Quantum Computing

R294C2312013
Radiall
5: $6,322.40
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

Datasheet

Non-Stocked

$6,322.40

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 100mm Loop(Inside)10mK App. Quantum Computing

R294C2312014
Radiall
5: $525.68
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

Datasheet

Non-Stocked

$525.68

$523.73

$442.18

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 450mm Loop(Inside)10mK App. Quantum Computing

R294C2312016
Radiall
5: $757.47
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

Datasheet

Non-Stocked

$757.47

$757.17

$639.52

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 200mm S (Inside)10mK App. Quantum Computing

R294C2312018
Radiall
5: $596.14
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

Datasheet

Non-Stocked

$596.14

$593.94

$501.46

Min.: 5
Mult.: 1

RF Cable Assemblies 2SMA StrPlg SemRig .034 Silver Plt 450mm S (Inside)10mK App. Quantum Computing

R294C2312019
Radiall
5: $745.65
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

Datasheet

Non-Stocked

$745.65

$745.36

$629.54

Min.: 5
Mult.: 1