爱华网PCB制板中导线安全距离的确定(UL60950)
112
CAN/CSA-C22.2NO.60950-00?UL60950
DECEMBER1,2000
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2.10.6.2Samplepreparationandpreliminaryinspection
Threesampleboards(or,for2.10.9,twocomponentsandoneboard)identi?edassamples1,2and3arerequired.Itispermittedtouseeitheractualboardsorspeciallyproducedsampleswithrepresentativecoatingandminimumseparations.Eachsampleboardshallberepresentativeoftheminimumseparationsused,andcoated.Eachsampleissubjectedtothefullsequenceofmanufacturingprocesses,includingsolderingandcleaning,towhichitisnormallysubjectedduringequipmentassembly.
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Whenvisuallyinspected,theboardsshallshownoevidenceofpinholesorbubblesinthecoatingorbreakthroughofconductivetracksatcorners.
Table2N–Minimumseparationdistancesforcoatedprintedboards
FUNCTIONAL,BASICor
SUPPLEMENTARYINSULATION
mm
63125160200250320400500630800000250600000500200000000300000000500000000000
0,10,20,30,40,60,81,01,31,82,42,83,44,15,06,38,210131620263343557086
WORKINGVOLTAGE
Vr.m.s.ord.c.
OverOverOverOverOverOverOverOverOverOverOverOverOverOver??Over??Over??Over??Over??Over????Over??Over??Over??Over??Over??
??Over??
REINFORCED
INSULATION
mm0,20,40,60,81,21,62,02,63,63,84,04,24,65,06,38,210131620263343557086
uptoandincluding63up
toandincluding125uptoandincluding160200250320400500630800000250600000500200000000300000000500000000
upupupupupupupupupupupupupupupupupupupupupuptotototototototototototototototototototototoandandandandandandandandandandandandandandandandandandandandandand
includingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincludingincluding
111223456810121620
11122345681012162025
25000uptoandincluding30000
??voltagesbetween2000Vand30000Vlinearinterpolationispermittedbetweenthenearesttwopoints,theFor??calculatedspacingbeingroundeduptothenexthigher0,1mmincrement.??
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