What are the differences and similarities between a genuine surface mount and through-hole reflow terminal block or connector?
The major difference between a genuine surface mount terminal block and through-hole reflow terminal block is that the surface mount does not require any type of holes in the printed circuit board in order to make the solder assembly. The major similarity between the two is that both are assembled to the surface of the PCB by using re-flow technology. Re-flow technology requires an oven that heats (by convection or radiation) up to 260 – 270 degrees Celsius to melt the solder paste between the contact element and the PCB pad. An example of a SMarTconn terminal block of THR type is 970-THR. An example of a SMarTconn terminal block of genuine SMT type is 140-A-524-SMD.
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