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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.
consulte Mais informação: PCB Testing Laboratory
#Montagem de PCB #Teste de PCB
We are glad to find you have ISO and BSCI certification. Could you please tell what is the warranty of your PCBA product? Quero dizer, on average.
I am getting a PCB manufactured for a project that I am working on. One of the parts, the A4950 motor driver, has a “almofada” on the bottom, which is meant to be soldered to GND of the PCB for thermal dissipation. I was thinking about the prototyping, and I am unsure how I would go about (using a soldering iron), soldering the pad on the bottom.
I know the paste mask layer is also called the stencil layer. It’s only used for assembly. I want to know if the paste mask layer (camada superior e inferior) is necessary for through hole components. For SMD components I know the paste mask layer is required to solder the components. Is it necessary for through hole components?
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