It can surely be a reason for a vibration failure if the module isn’t mounted flush with the board and can actually moved by hand. Copper is horrible when repeatedly flexed.
I’d suggest strain relief of the assembly with some elastic compound to the board, if possible. It’s also important to evaluate if the module is ‘top heavy’, since the regulator body will leverage to the board.
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I am designing a 2 layer PCB with components on both side of it. SMT components are one one side of PCB, but TH (through hole) components are on both sides. I need to understanding something mentioned by the supplier called primary and secondary sides.
I received the PCB design file from supplier. There are some teardrops, which I have seldom seen. Why are there teardrops on the PCB design?
A design engineer told me our PCB prototypes would be completed soon and then he would have his assembler “run a panel”. Does anyone know what that means?
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