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SMA、SMB、SMC 封装的二极管尺寸区分(2011-03-06 00:34:13)转载以常见的贴片肖特基二极管SS14 SS24 SS34为例,三种管子区别主要在电流上,有三种封装:SMA、SMB、SMC。从成本和体积来说,优先选用最小尺寸的SMA/DO-214AC封装,其他封装一般不推荐选用。从下面图片的来看,这三种封装类似,主要体积上不同,可以看出:SMA SMB .EDjB.U)SMA. SMB, SMCSMADimMio帕KA2.292.32斗mcT.271,&3D0.15a .atE斗.8D5.5&G0.06a.2GH0761.52J2.012.ioaii Dimn$ipns mmDimWinMaxA3.303&4B4.064.57C1.962.21D0.150.31E5.005.59G0.05dH0761.62J2.662.50All Dim电n玄诂n占in mm&MCDimMinMaxA5.596.22&6.S07.11c2 753.13DO.tS0.11E7.75B.U6QAQ0.2DHu 751.52j2.002.50All Dirnnidn in mm