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PCB 线宽与电流的关系
source link: https://wiki-power.com/PCB%E7%BA%BF%E5%AE%BD%E4%B8%8E%E7%94%B5%E6%B5%81%E7%9A%84%E5%85%B3%E7%B3%BB
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PCB 线宽与电流的关系
线宽/铜箔厚度70µm（2 oz）50µm（1.5 oz）35µm（1 oz）2.50mm（98mi1）6.00A5.10A4.50A2.00mm（78mil）5.10A4.30A4.00A1.50mm（59mi1）4.20A3.50A3.20A1.20mm（47mi1）3.60A3.00A2.70A1.00mm（40mi1）3.20A2.60A2.30A0.80mm（32mi1）2.80A2.40A2.00A0.60mm（24m11）2.30A1.90A1.60A0.50mm（20mil）2.00A1.70A1.35A0.40mm（16mil）1.70A1.35A1.10A0.30mm（12mil）1.30A1.10A0.80A0.20mm（8mi1）0.90A0.70A0.55A0.15mm（6mil）0.70A0.50A0.20A
一般来说，需要多预留 15% 的余量。
参考与致谢#
文章作者：Power Lin
原文地址：https://wiki-power.com
版权声明：文章采用 CC BY-NC-SA 4.0 协议，转载请注明出处。
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