Please refer to the attachment that assembly and test spec for PFF12N65.
As you can see, there are 2 kinds of engineering lots for PFF12N65. You can distinguish them by wafer number. One is #02, and the other is #08.
Please inform this information to your engineers or operators to prevent mix.
And,
These two(2) E.R is for qualification for mass production in GZSM. So, we need some data as like yield summary, test raw data and qual report.
Please keep in mind