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附表1:GB/T3956—1997規(guī)定銅導(dǎo)體的直流電阻
序號(hào) | 導(dǎo)體標(biāo)稱截面 mm2 | 20℃時(shí)導(dǎo)體最大直流電阻 Ω/km | |
不鍍金屬 | 鍍金屬 | ||
1 | 0.75 | 24.5 | 24.8 |
2 | 1 | 18.1 | 18.2 |
3 | 1.5 | 12.1 | 12.2 |
4 | 2.5 | 7.41 | 7.56 |
5 | 4 | 4.61 | 4.70 |
6 | 6 | 3.08 | 3.11 |
7 | 10 | 1.83 | 1.84 |
8 | 16 | 1.15 | 1.16 |
9 | 25 | 0.727 | 0.734 |
10 | 35 | 0.524 | 0.529 |
11 | 50 | 0.387 | 0.391 |
12 | 70 | 0.268 | 0.270 |
13 | 95 | 0.193 | 0.195 |
14 | 120 | 0.153 | 0.154 |
15 | 150 | 0.124 | 0.126 |
16 | 185 | 0.0991 | 0.100 |
17 | 240 | 0.0754 | 0.0762 |
18 | 300 | 0.0601 | 0.0607 |
19 | 400 | 0.0470 | 0.0475 |
20 | 500 | 0.0366 | 0.0369 |
21 | 630 | 0.0283 | 0.0286 |
