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电感的正确标志方法是计算电感器电感量L的手?/h3>
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<span>文章出处?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电子有限公?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气?span
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<p>电感的正确标志方法是认定与计算电感器电感量L的一种手段。电感器的标志方法有直标法、文字符号标志法、数码标志法及色码标志法等几种，需要认真掌握?/p>
<p>1.电感器的文字符号标志法。电感器的文字符号标志法同样是用单位的文字符号表示，当单位为μH时，用R作为电感器的文字符号，其他与电阻器的标注相同，如下图所示，分别是电感量?.7 μH?.33μH的文字符号标志法?<br />
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2.电感器的数码标志法电感器的数码标志法与电阻器一样，前面的两位数为有效数，第三位数为零的个数或倍率 （l0n），单位?mu;H，如下图所示，分别是图（a）电感量?2μH?2 x 10?2 x 1 μH，偏差：±5％；图（b）电感量? 400 μH?4 x 102?4 x 100? 400 μH?? mH，偏差：±10%?nbsp; </p>
<p>3.电感器的直标法电感器的直标法一般都标明了单位，很容易理解和识别。下图是31 ftH电感量的直标法?br />
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