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yach_4179311
Level 2
Level 2
10 replies posted 5 replies posted 5 questions asked

客户芯片型号如下图,MB9AF111K 1833这几个丝印意思都明白,想了解3BU和E2这两个丝印的含义?

20190819142015.jpg

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1 解答
Roy_Liu
Moderator
Moderator
Moderator
First comment on KBA 10 questions asked First comment on blog

3BU应该是additional date code,lot code,assembly site的信息,E2应是代表Lead / Ball Finish: Pure Sn

如果这个是关键信息,最好建个Quality Documentation case核实一下。

Roy Liu

在原帖中查看解决方案

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1 回复
Roy_Liu
Moderator
Moderator
Moderator
First comment on KBA 10 questions asked First comment on blog

3BU应该是additional date code,lot code,assembly site的信息,E2应是代表Lead / Ball Finish: Pure Sn

如果这个是关键信息,最好建个Quality Documentation case核实一下。

Roy Liu
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