线的直径与阻抗大小关系

线的直径与阻抗大小关系

AWG Wire Size   Resistance at 20°C
                uohm/cm    uohm /in
    10           32.70      83.06
    11           41.37      105.1
    12           52.09      132.3
    13           65.64      166.7
    14           82.80      210.3
    15           104.3      264.9
    16           131.8      334.8
    17           165.8      421.1
    18           209.5      532.1
    19           263.9      670.3
    20           332.3      844.0
    21           418.9      1064.0
    22           531.4      1349.8
    23           666.0      1691.6
    24           842.1      2138.9
    25           1062.0     2697.5
    26           1345.0     3416.3
    27           1687.6     4286.5
    28           2142.7     5442.5
    29           2664.3     6767.3
    30           3402.2     8641.6
    31           4294.6     10908.3
    32           5314.9     13499.8
    33           6748.6     17141.4
    34           8572.8     21774.9
    35           10849      27556.5
    36           13608      34564.3
    37           16801      42674.5
    38           21266      54015.6
    39           27775      70548.5
    40           35400      89916.0
    41           43405      110248.7
    42           54429      138249.7
    43           70308      178582.3
    44           85072      216082.9