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docs: 新增 AWG 线规对照表（含 mm² 速查与线圈选线备注）

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2026-08-26 14:45:18 +08:00
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references/awg对照表.csv
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AWG,直径mm,直径in,截面积mm2,铜电阻_20C_Ohm_per_km,参考载流量A
4/0 (0000),11.684,0.4600,107.2,0.1608,230
3/0 (000),10.404,0.4096,85.0,0.2028,200
2/0 (00),9.266,0.3648,67.4,0.2556,175
1/0 (0),8.251,0.3249,53.5,0.3224,150
1,7.348,0.2893,42.4,0.4066,130
2,6.544,0.2576,33.6,0.5127,115
3,5.827,0.2294,26.7,0.6470,100
4,5.189,0.2043,21.2,0.8152,85
5,4.621,0.1819,16.8,1.028,70
6,4.115,0.1620,13.3,1.296,65
7,3.665,0.1443,10.5,1.634,55
8,3.264,0.1285,8.37,2.061,50
9,2.906,0.1144,6.63,2.599,42
10,2.588,0.1019,5.26,3.277,35
11,2.305,0.0907,4.17,4.132,30
12,2.053,0.0808,3.31,5.211,25
13,1.828,0.0720,2.62,6.571,22
14,1.628,0.0641,2.08,8.286,20
15,1.450,0.0571,1.65,10.45,17
16,1.291,0.0508,1.31,13.17,18
17,1.150,0.0453,1.04,16.61,13
18,1.024,0.0403,0.823,20.95,14
19,0.912,0.0359,0.653,26.42,10
20,0.812,0.0320,0.518,33.31,5
21,0.723,0.0285,0.410,42.00,4
22,0.644,0.0253,0.326,52.96,3
23,0.573,0.0226,0.258,66.79,2.5
24,0.511,0.0201,0.205,84.22,2
25,0.455,0.0179,0.162,106.2,1.7
26,0.405,0.0159,0.129,133.9,1.4
27,0.361,0.0142,0.102,168.9,1.2
28,0.321,0.0126,0.0810,212.9,1.0
29,0.286,0.0113,0.0642,268.5,0.8
30,0.255,0.0100,0.0509,338.6,0.6
1 AWG 直径mm 直径in 截面积mm2 铜电阻_20C_Ohm_per_km 参考载流量A
2 4/0 (0000) 11.684 0.4600 107.2 0.1608 230
3 3/0 (000) 10.404 0.4096 85.0 0.2028 200
4 2/0 (00) 9.266 0.3648 67.4 0.2556 175
5 1/0 (0) 8.251 0.3249 53.5 0.3224 150
6 1 7.348 0.2893 42.4 0.4066 130
7 2 6.544 0.2576 33.6 0.5127 115
8 3 5.827 0.2294 26.7 0.6470 100
9 4 5.189 0.2043 21.2 0.8152 85
10 5 4.621 0.1819 16.8 1.028 70
11 6 4.115 0.1620 13.3 1.296 65
12 7 3.665 0.1443 10.5 1.634 55
13 8 3.264 0.1285 8.37 2.061 50
14 9 2.906 0.1144 6.63 2.599 42
15 10 2.588 0.1019 5.26 3.277 35
16 11 2.305 0.0907 4.17 4.132 30
17 12 2.053 0.0808 3.31 5.211 25
18 13 1.828 0.0720 2.62 6.571 22
19 14 1.628 0.0641 2.08 8.286 20
20 15 1.450 0.0571 1.65 10.45 17
21 16 1.291 0.0508 1.31 13.17 18
22 17 1.150 0.0453 1.04 16.61 13
23 18 1.024 0.0403 0.823 20.95 14
24 19 0.912 0.0359 0.653 26.42 10
25 20 0.812 0.0320 0.518 33.31 5
26 21 0.723 0.0285 0.410 42.00 4
27 22 0.644 0.0253 0.326 52.96 3
28 23 0.573 0.0226 0.258 66.79 2.5
29 24 0.511 0.0201 0.205 84.22 2
30 25 0.455 0.0179 0.162 106.2 1.7
31 26 0.405 0.0159 0.129 133.9 1.4
32 27 0.361 0.0142 0.102 168.9 1.2
33 28 0.321 0.0126 0.0810 212.9 1.0
34 29 0.286 0.0113 0.0642 268.5 0.8
35 30 0.255 0.0100 0.0509 338.6 0.6