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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1500494/tl431-tl431aidbzr-internal-frame-binding-inconsistent
工具/软件：
你(们)好
我们发现此产品的内部结构不一致、请帮助确认原因 谢谢你
如 ti.com/quality-reliability-packaging-download/report?opn=TL431AIDBZR所示、该器件在五个不同的组装地点制造、因此最多可以接触到五个不同的引线框。 (组装地点在发货标签上进行了标记(22L、23L)。)
