AWG线径对照表在以太网和xDSL接入网设计中,经常会碰到诸如24AWG、26AWG等等表示电缆直径的方法。其实AWG(AmericanWireGauge)是美制电线
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的简称,AWG值是导线厚度(以英寸计)的函数。下表是AWG与公制、英制单位的对照表。其中,4/0表示0000,3/0表示000,2/0表示00,1/0表示0。例如,常用的电话线直径为26AWG,约为0.4mm。AWG外径截面积(mm2)电阻值(/km)公制mm英制inch4/011.680.46107.220.173/010.400.409685.010.212/09.270.364867.430.261/08.250.324953.490.3317.350.289342.410.4226.540.257633.620.5335.830.229426.670.6645.190.204321.150.8454.620.181916.771.0664.110.162013.301.3373.670.144310.551.6883.260.12858.372.1192.910.11446.632.67102.590.10195.263.36112.300.09074.174.24122.050.08083.3325.31131.820.07202.6276.69141.630.06412.0758.45151.450.05711.64610.6161.290.05081.31813.5171.150.04531.02616.3181.020.04030.810721.4190.9120.03590.566726.9200.8130.03200.518933.9210.7240.02850.411642.7AWG外径截面积(mm2)电阻值(/km)公制mm英制inch220.6430.02530.324754.3230.5740.02260.258848.5240.5110.02010.204789.4250.440.01790.162479.6260.4040.01590.1281143270.3610.01420.1021128280.320.01260.0804227290.2870.01130.0647289300.2540.01000.0507361310.2260.00890.0401321320.2030.00800.0316583330.180.00710.0255944340.160.00630.0201956350.1420.00560.01691,200360.1270.00500.01271,530370.1140.00450.00981,377380.1020.00400.00812,400390.0890.00350.00622,100400.0790.00310.00494,080410.0710.00280.00403,685420.0640.00250.00326,300430.0560.00220.00255,544440.0510.00200.002010,200450.0460.00180.00169,180460.0410.00160.001316,300