Category:PCB Assembly PCB Assembly Service

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In assembly the bare board is populated with electronic components, called a "printed circuit board assembly" (PCBA). In through-hole technology, the component leads are inserted in holes surrounded by conductive pads; In surface-mount technology (SMT), the component is placed on the PCB so that the pins line up with the conductive pads or lands on the surfaces of the PCB.

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Is there a standard about assembly types? Reply 2017-03-01 06:23:20
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MARCO AURELIO

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Hello, I am just getting into the SM world. I am finding conflicting information on the different types of assembly. I was originally understanding that Type I was pure SM, Type II was a mix of SM and TH, with variations, and Type III was pure TH. Is there a standard anywhere? Thanks in advance.
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Clifford

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Quite useful and impressive info.
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