Published:2011/6/12 7:19:00 Author:chopper | Keyword: line, printed plate, wide, big current | From:SeekIC
The line of printed plate should be wide enough when we deal with the big current.Generally speaking,line width of 1A current should be 1mm.And we can calculate by this rate.When the current is over 10A,we can calculate by the rate 0.7A/mm.As for the bold line of the following picture,there are biggish impact current through capacitor at the moment the power supply is connected even if the current is not big.Thus,the line should be wide enough.
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