Cryogenic Spares » Cryogenics

Any wire, gauge or mixture of wires can be considered in woven looms or hand made GE varnish looms.

Typical resistance for the wires above (W/m)
Wire gauge  Dia(mm) Copper Copper Constantan Constantan Manganin Manganin
SWG   330 K 4.2 K 300 K 4.2 K 300 K 4.2 K
34 0.234 0.402 0.0035 12 10 11 10
36 0.193 0.589 0.0052 18 15 16 15
38 0.152 0.945 0.0084 29 24 27 24
40 0.122 1.48 0.0130 45 38 41 37
42 0.102 2.16 0.0186 64 54 59 53
44 0.081 3.32 0.0295 101 85 93 83
46 0.061 5.91 0.0520 178 151 164 147

 

Cryogenic Ribbon Cable

High quality cryogenic woven loom for all low temperature installations.

These looms are woven from twisted pairs of insulated wires and are reinforced with threads made from high strength Nomex®. Width 5mm x 0.6mm thick. Available per meter or supplied with either Fischer or miniature D type connectors.

More information:
sales@iceoxford.com

Available in the following:

Material 42 SWG wire (0.1 mm)FormatCodePriceQtyLength(m)Basket
Constantan12 tw pairsICEcrw01£28.00
Constantan/Copper9 tw pairs + 3tw pairsICEcrw02£30.00
Copper12 tw pairsICEcrw76£26.00
Constantan2 tw pairICEcrw03£25.00
NbTi12 tw pairsICEcrw04£94.00
Manganin12 tw pairsICEcrw05£32.00
Constantan/NbTi9 tw pairs + 3 tw pairsICEcrw28£POA

Constantan Wire

Wire TapeSizes (SWG)CodePriceQtyLength(m)Basket
Constantan34ICEcrw06£30.00
Constantan36ICEcrw07£30.00
Constantan38ICEcrw08£30.00
Constantan40ICEcrw09£30.00
Constantan42ICEcrw10£30.00
Constantan44ICEcrw11£38.00
Constantan46ICEcrw12£75.00

Manganin Wire

Wire TapeSizes (SWG)CodePriceQtyLength(m)Basket
Manganin34ICEcrw13£38.00
Manganin36ICEcrw14£38.00
Manganin38ICEcrw15£38.00
Manganin40ICEcrw16£38.00
Manganin42ICEcrw17£38.00
Manganin44ICEcrw18£42.00
Manganin46ICEcrw19£75.00

Copper Wire

Wire TapeSizes (SWG)CodePriceQtyLength(m)Basket
Copper34ICEcrw20£1.00
Copper36ICEcrw21£1.00
Copper38ICEcrw22£1.00
Copper40ICEcrw23£38.00
Copper42ICEcrw24£1.00
Copper44ICEcrw25£1.00
Copper46ICEcrw26£1.00

Flexible Stainless Steel Co-Axial Cable

Ideal suited where space and thermal conductivity are important. Botrh inner and shield are stranded stainless steel. Available by the metre.

Specification
Characteristic impedance 40W nominal (at 10 MHz)
Useful temperature range 10 mK to 500 K
Resistance 23°C
Wire 23.6 W/m
Shield 3.6 W/m
Jacket O/D 1 mm
Capacitance at 5 KHz 174 pf/m

More information:
sales@iceoxford.com

Available in the following:

CodePriceQtyLength(m)Basket
ICEcrw27£20.00

Semi-Rigid Coaxial Cable

For use at microwaves frequencies, this semi-rigid cable is abailable in straight lenghts up 3 meters long.

Dimensions Type: UT 85-SS-SS
Outer conductor dia. 0.0865 " 0.001 " 2.20 mm 0.0254 mm
Dielectric dia. 0.066 " 0.001 " 1.68 mm 0.0254 mm
Centre conductor dia. 0.021 " 0.0005 " 0.51 mm 0.0127 mm
Materials
Outer conductor 304 stst
Dielectric PTFE
Center conductor 304 stst
Electrical Properties
Characteristic impedance 50 " 1.5W
Capacitance (nominal) 29.0 pF/foot
Ciriba extinction voltage 1500 Vrms @ 60 Hz
Voltage withstanding 2500 Vrms @ 60 Hz
90% higher order mode 61 Ghz
Mechanical Proerties
Max. operating temperature 200°C
Minimum inside bend radius 3.18 mm / 0.125"
Weight 1.25 lb/100 foot / 1.86 Kg/100m
Typical attenuation (dB/100 foot)/average power (watts CW)
  Attenuation Power
0.5 GHz 88.9 49.2
1.0 GHz 126 34.7
5.0 GHz 284.1 15.4
10.0 GHz 404.1 10.9
20.0 GHz 576.4 7.6

More information:
sales@iceoxford.com

Available in the following:

CodePriceQtyLength(m)Basket
ICEcrw30£105.00

Film Heaters

A 25 watt, 25 W non inductive heater set in Kapton film, particularly useful for mounting on curved surfaces. Mount using kapton tape and varnish.

More information:
sales@iceoxford.com

Available in the following:

CodePriceQtyBasket
ICEcrw31 £25.00

Wiring Bobbin

A copper Bobbin designed to support and thermally anchor wiring to cold points. 20mm in length, with a 3.2mm hole designed to accept a 3mm screw. Outer diameter of the bobbin is 8mm

More information:
sales@iceoxford.com

Available in the following:

CodePriceQtyBasket
ICEcrw82£35.00

Sensor Wiring Bobbin

2 piece sensor mount for wiring and dumping a cryogenic sensor for use with M3 screws

More information:
sales@iceoxford.com

Available in the following:

CodePriceQtyBasket
ICEcrw35£35.00
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I have worked with IceOxford for a number of years building, developing and repairing cryogenic systems, and I have found their Cryobitz supplies section excellent in both availability and speed of response.

Dr Mark Ellerby, Department of Physics and Astronomy, University College London