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LM2676: oxidized part

jennifer zuo
Part Number: LM2676

We purchased  LM2676SD-ADJPB, MSL 1 / 260C / UNLIM, it is found that there is an oxidized part on the back. Why does this happen to 2215 + ? Is it normal? Does it affect the function?

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    TI__Guru**** 308311 points

    HI

       TI判定芯片质量唯一的标准是进货渠道，如果你是直接找TI购买的就不用担心质量问题。从图片看这些瑕疵应该没有问题的。

       如果不是TI购买，最好找你们长期合作的渠道商。