贸泽代购元件加电测试发现运放不工作,经过丝印对比发现,丝印标识与之前购买标识不同,主要是丝印中AA3A的3字。
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您好,LMP7702有以下几种丝印。其中有AA3A这个丝印。您说的3这个数字标识不同,可以附上图看下二者的差异。