在代理直接拿的一批 TPS4H000AQPWPRQ1 底部散热片有较大的工艺材质问题 属于正常现象吗?原厂是否有解释说明一下吗?

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HI
你是值Powerpad周边的异物吗? 还有Pin脚泛黄?
着应该是不正常的? 你们的购买渠道是哪里? 建议直接找TI购买。