Semi-rigid cables for cryogenic (super low temperature) applications
Catalog No. upj020020001108-07
Low in heat conductions. Capable of preventing a heat transmission from a high temperature area. Can be selected from tables shown below depending on applications. Standard is for DC-40 GHz use. Please consult with us for 60 GHz applications.
Specifications and Model number Table 1
| Characteristics |
Model Number |
outer diameter φ |
Heat quantity μw/k *1 |
Insertion Loss dB/m at 10GHz |
| 4K-20K |
4K-100K |
300K |
110K |
77K |
20K |
4K |
| Minimum heat conduction |
ULT-01 |
2.2mm (0.085") |
35 |
167 |
5.32 |
4.07 |
3.85 |
2.49 |
|
| Flexible and less heat conduction |
ULT-02 |
2.2mm (0.085") |
60 |
177 |
4.65 |
3.67 |
3.26 |
2.85 |
2.75 |
| Minimum insertion loss |
ULT-03 |
2.2mm (0.085") |
84 |
350 |
2.39 |
2.06 |
1.7 |
1.2 |
1.14 |
| Perfect non-magnetism |
ULT-04 |
2.2mm (0.085") |
146 |
493 |
2.87 |
2.29 |
1.96 |
1.47 |
1.47 |
| Less heat conduction and less insertion loss |
ULT-05 |
2.2mm (0.085") |
|
196 |
2.60 |
2.25 |
1.85 |
1.31 |
1.24 |
| thin |
ULT-10 |
1.19mm |
50 |
170 |
|
|
|
|
|
| very thin |
ULT-20 |
0.86mm |
28 |
94 |
|
|
|
|
|
| ultra thin |
ULT-30 |
0.33mm |
1.6 |
4.6 |
72 |
56 |
51 |
44 |
42 |
(Example: Cupronickel) Insertion loss will be increased.
| Characteristics |
Model Number |
outer diameter φ |
Heat quantity μw/k *1 |
Insertion Loss dB/m at 10GHz |
| 4K-20K |
4K-100K |
300K |
110K |
77K |
20K |
4K |
| More insertion loss |
|
0.085" |
52 |
229 |
10.10 |
9.56 |
9.43 |
9.37 |
|
(Example: Standard semi-rigid) Heat inflow will be increased.
| Characteristics |
Model Number |
outer diameter φ |
Heat quantity μw/k *1 |
Insertion Loss dB/m at 10GHz |
| 4K-20K |
4K-100K |
300K |
110K |
77K |
20K |
4K |
| Less heat conduction and less insertion loss |
RG405/u |
0.085" |
334 |
|
2.39 |
|
Specifications and Model number Table 2
| Model Number |
Minimum bending radius mm (to the center of cables) |
Standard Insertion Loss dB/m(25 degree) |
Material |
Usable connector |
| 1GHz |
10GHz |
20GHz |
40GHz |
Inner conductor |
Outer conductor |
| ULT-01 |
12 |
|
5.32 |
|
|
SBC |
SUS304 |
SMA, APC2.9, APC2.4, V |
| ULT-02 |
8 |
4.65 |
SBS |
SUS304 |
| ULT-03 |
12 |
0.82 |
2.69 |
3.49 |
SBC |
Cu70 μm+SUS304 |
| ULT-04 |
10 |
1.205 |
2.87 |
5.0 |
SBS |
BS |
| ULT-05 |
12 |
0.9 |
2.8 |
4.6 |
7.3 |
SBS |
Cu5 μm+SUS304 |
| ULT-10 |
6.5 |
1.4 |
4.7 |
6.8 |
|
SBC |
SBC |
SMA, MMCX, GPO |
| ULT-20 |
3.2 |
3.3 |
10.6 |
15.2 |
|
BC |
BC |
| ULT-30 |
1.5 |
27 |
85 |
120 |
|
SUS304 |
SUS304 |
(Example: Cupronickel)
| Model Number |
Minimum bending radius mm (to the center of cables) |
Standard Insertion Loss dB/m(25 degree) |
Material |
| 1GHz |
10GHz |
20GHz |
40GHz |
Inner conductor |
Outer conductor |
| - |
12 |
|
10.1 |
|
Silver plated Cupronickel |
Cupronickel |
(Example: Standard semi-rigid)
| Model Number |
Minimum bending radius mm (to the center of cables) |
Standard Insertion Loss dB/m(25 degree) |
Material |
| 1GHz |
10GHz |
20GHz |
40GHz |
Inner conductor |
Outer conductor |
| - |
5 |
0.656 |
2.33 |
2.49 |
|
SPC |
Cu |
SBC: Silver plated beryllium copper (plate thickness 2.5 μm)
SPC: Silver plated annealed copper wire
SBS: Silver plated brass (plate thickness 3.5 μm)
BC: Beryllium copper
Notes)
| *1 |
Heat quantity required for one end of 10 cm long cable (excluding a connector part) to reach 20 K or 100 K when 4 K heat anchor is applied to the other end of the cable.
|
| Others |
|
| Characteristic impedance |
50±1Ω |
| Center conductor diameter |
0.511 mmφ |
| Outer conductor diameter |
2.2 mmφ |
Order model example
| ULT |
- |
03 |
- |
SMA(m)SMA(ｆ) |
- |
0500 |
|
Cable type |
|
Connector name |
|
Connector phase front length (mm) |
Keyword
ultracold temperature, very low temperature, at extremely low temperatures, cryogenic, supercold, supercool, ultracold, ultracold gas, cryocable, ultracold atom, cryopump, cryobank, very low temperature physics |
