This stencil package is specially designed for the most common BGA chips and WD HDD PCB 8xxx series MCU reballing. This package has totally 11 stencils.
BGA chips contain the following types:
WD HDD PCB 8xxx Series MCU ID: 88i1047-NDB2 and 88i1053-NXZ2
WD HDD PCBs with the same 88i1047-NDB2 Main Controller IC:
WD HDD PCBs with the same 88i1053-NXZ2 Main Controller IC:
For WD SMR HDDs, they usually have firmware lock and SED V2 lock issue. To unlock the firmware area, users can use firmware unlock PCB. To fix the SED V2 issue, users can use the following methods:
Now we have another method: When the original PCB is physically damaged, users can only transfer the main controller IC to firmware unlock PCB to fix SED v2 issue.
Whenever users need to transfer the BGA chip above or 88i1047-NDB2 and 88i1053-NXZ2 main controller IC, this reballing stencil package is very helpful.