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本帖最后由 超級狗 于 2015-8-24 17:12 编辑 ! ]+ }, z- q _5 J$ G
4 J: _( O% v1 |Coilcraft Inductor Q&A1 @3 K* i5 h4 t8 Y; n
+ w; E. U# R0 K8 rPolarity( i% L: p F/ g: t; E# V9 d% ` V
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Why don't you provide polarity markings on all of your parts? 8 S' Y' O8 T, Q+ x! T# [% [4 G
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Unlike capacitors or diodes, inductors do not have a functional polarity and work equally in either direction, so polarity is not important in the vast majority of end-use circuits. On rare occasions, it has been reported that some inductors perform better when mounted in one particular orientation, due to interaction with nearby components or ground plane conductors. Any asymmetrical performance is very much a function of the application, especially board layout. For further comments on board layout see our sections on part spacing (minimum recommended inductor spacing) and shielding. For any applications in which inductor polarity is critical please contact Coilcraft.
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