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PCB设计中,铜箔的厚度,PCB线宽和电流的关系 | |||||
铜箔厚度/35um |
| 铜箔厚度/50um |
| 铜箔厚度/70um |
|
电流(A) | 线宽mm(mil) | 电流(A) | 线宽mm(mil | 电流(A) | 线宽mm(mil |
4.5 | 2.5(98.425) | 5.1 | 2.5(98.425) | 6 | 2.5(98.425) |
4 | 2(78.74) | 4.3 | 2(78.74) | 5.1 | 2(78.74) |
3.2 | 1.5(59.055) | 3.5 | 1.5(59.055) | 4.2 | 1.5(59.055) |
2.7 | 1.2(47.244) | 3 | 1.2(47.244) | 3.6 | 1.2(47.244) |
2.2 | 1(39.37) | 2.6 | 1(39.37) | 3.3 | 1(39.37) |
2 | 0.8(31.496) | 2.4 | 0.8(31.496) | 2.8 | 0.8(31.496) |
1.6 | 0.6(23.622) | 1.9 | 0.6(23.622) | 2.3 | 0.6(23.622) |
1.35 | 0.5(19.685) | 1.7 | 0.5(19.685) | 2 | 0.5(19.685) |
1.1 | 0.4(15.748) | 1.35 | 0.4(15.748) | 1.7 | 0.4(15.748) |
0.8 | 0.3(11.811) | 1.1 | 0.3(11.811) | 1.3 | 0.3(11.811) |
0.55 | 0.2(7.874) | 0.7 | 0.2(7.874) | 0.9 | 0.2(7.874) |
0.2 | 0.15(5.9055) | 0.5 | 0.15(5.9055) | 0.7 | 0.15(5.9055) |
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