REGISTERCryoCable
Cryogenic cable product overview...
A robust, 4-wire cable for use in cryogenic environments to room temperature. The cable is designed around 32 AWG (203 μm) diameter superconductive wires consisting of a NbTi core (128 μm diameter) and a Cu-10% Ni jacket.
The cable is constructed as follows:
- 4 superconductive wires are overcoated with 75 μm (0.003 in) thick Teflon® (PFA) of the following colors: white, yellow, green, and black.
- 4 lengths of Teflon®-jacketed wire, one of each color, twisted together with a twist pitch of about 25 mm (1 in). Teflon® (PFA) is extruded over the 4 wires to a total diameter of about 1.2 mm (0.048 in).
- Cable is overbraided with 304 stainless steel (5 × 36 AWG). The overbraid is tight and presents complete visual coverage.
- Teflon® (PFA) extruded over the entire cable for protection of the metal overbraid. The total finished cable is nearly round with a diameter of about 2.4 ±0.2 mm (0.094 ±0.008 in).
Minimum bend radius: 15 mm (0.6 in)
Critical temperature: 9.8 K
Critical field: 10 T
| Field | Critical current (per wire) |
| 3 T | 35 A |
| 5 T | 25 A |
| 7 T | 15 A |
| 9 T | 6 A |
| Temperature (K) | |||
| 295 | 77 | 4.2 | |
| Wire resistance (Ω/m) | 9.2 | 8.4 | 0* |
| Overbraid resistance (Ω/m) | 0.90 | 0.64 | 0.62 |
| Thermal conductivity— entire cable assembly (W/(m·K)) |
7.6 | 2.8 | 0.17 |
| *Superconducting | |||
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