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发表于 2011-8-15 06:13:51
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回复【4楼】STM32_Study
回复【2楼】yu_wen
2.5mm似乎有些细,如1楼所说,可以双面走线,还有既然是强电,;漏铜皮出来是不是不安全,
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谢谢yu_wen
不露铜,即使双面也不够吧?
回复【3楼】asktutu 月
the figures in ipc-2221 presented the relationship of conductor width to cross-section, and also you could find how to calculate.
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谢谢 asktutu ,我找到了ipc......
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强电 220v之间的间距起码也要4-5mm以上
2.54?爬电间隙都不够 |
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