| |
Type C |
Type SC |
Type SS |
Type SR |
Dimensions
Center conductor - AWG (diameter) |
32 (0.2032 mm [0.008 in]) |
32 (0.2032 mm [0.008 in]) |
32 (0.2032 mm [0.008 in]) |
37 (0.1143 mm [0.004 in]) |
| Dielectric/insulating material (diameter) |
0.56 mm (0.022 in) |
0.406 mm (0.016 in) |
0.406 mm (0.016 in) |
0.38 mm (0.015 in) |
| Shield (diameter) |
0.025 mm (0.001 in) thickness |
0.711 mm (0.028 in) |
0.711 mm (0.028 in) |
0.51 mm (0.02 in) |
| Drain wire (parallel to conductor) |
32 AWG
(0.203 mm [0.008 in]) |
NA |
NA |
NA |
| Jacket outer dimension |
0.7874 mm × 1.016 mm
(0.031 in × 0.039 in) |
1.0 mm (0.04 in) |
1.0 mm (0.04 in) |
0.51 mm (0.02 in) |
Material
Center conductor |
Silver-plated copper |
Stranded copper1 |
304 stainless steel2 |
Carbon Steel 3 |
| Dielectric/insulating material |
Expanded PTFE |
Teflon® |
Teflon® |
Teflon® PTFE |
| Shield |
Aluminized polyster4 |
Braided gold-plated
copper5 |
304 braided stainless6 |
304 stainless steel 7 |
| Drain wire |
Silver-plated copper |
NA |
NA |
NA |
| Jacket material |
FEP |
Teflon® FEP |
Teflon® FEP |
NA |
| Jacket color |
Blue |
Gold |
Gray |
NA |
Electrical Properties
Resistance W/m (W/ft)
Center conductor at 293 K (20 ºC) |
0.541 (0.165) |
0.282 (0.086) |
23.62 (7.2) |
4.30 (1.31) |
| Shield at 296 K (23 ºC) |
NA |
0.085 (0.026) |
3.61 (1.1) |
8.63 (2.63) |
| Drain wire at 296 K (23 ºC) |
0.541 (0.165) |
NA |
NA |
NA |
| Center conductor max. DC voltage |
150 V |
600 V |
600 V |
700 V |
| Center conductor max. DC current |
150 mA |
200 mA |
200 mA |
200 mA |
| Temperature range |
10 mK to 400 K |
<1 K to 400 K |
10 mK to 473 K |
10 mK to 400 K |
| Characteristic impedance |
50 W (±5 W) |
35 W at 10 Mhz |
40 W at 10 Mhz |
50 W (±2 W) |
| Capacitance at 5 kHz |
94 pF/m (24 pF/ft) nominal |
154.2 pF/m (47 pF/ft) |
173.9 pF/m (53 pF/ft) |
95.14 pF/m (29 pF/ft) |
| 1 65 strands of 50 AWG |
| 2 64 strands of 50 AWG 304 SS wire |
| 3 Silver plated copper clad carbon steel (0.103 mm outer diameter carbon steel covered by 0.0057 mm thick copper cladding covered by 0.001 mm thick silver plating.) |
| 4 Aluminized polyester laminated tape, spirally applied at a 40-50% overlap, aluminum side in |
| 5 12 × 3 matrix of 42 AWG wire |
| 6 12 × 4 matrix of 44 AWG wire |
| 7 A seamless tubular metal jacket serves as the outer conductor/shield |
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