How close is the soldering joint for PCB?

E: The prototype provided by the supplier is good, but I found some solder joints are close to the PCB. Actually, how much width would be better?

Fine pitch soldering for surface mount packages has lead pitches as small as 0.4 mm. That is centerline to centerline. The spacing between pins is going to be around 0.2 mm.

#PCB Assembly

Picture of Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.
Picture of Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.

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