PCB板的线宽、覆铜厚度与通过的电流对应的关系
宽度(mm)电流(A)宽度(mm)电流(A)宽度(mm)电流(A)
0.150.20.150.50.150.7
0.20.550.20.70.20.9
0.30.80.3 1.10.3 1.3
0.4 1.10.4 1.350.4 1.7
0.5 1.350.5 1.70.52
0.6 1.60.6 1.90.6 2.3
0.820.8 2.40.8 2.8
1 2.31 2.61 3.2
1.2
2.7 1.23 1.2
3.6
1.5 3.2 1.5 3.5 1.5 4.2
242 4.32 5.1
2.5 4.5 2.5 5.1 2.56
铜厚1OZ(0.035mm)铜厚1.5OZ(0.05mm)铜厚2OZ(0.07mm)