Attachment sent to Bill and Steve, maybe Steve could put it on his website for comments?
Roger —————– A: I modeled the part from its spec sheet and this is what it looks like to scale… compared to another part from ProTEK – and the one from PCB libraries… notice the pad geometries… SOD323 land pattern.pdf http://www.protekdevices.com/datasheets/gblc.pdf I would guess the IRF pattern is undersized…as you indicated in your e-mail… The PCB libraries one looks long and skinny for lack of a better description, I wonder what advantage is gained by that…perhaps they are trying to increase the amount of ‘heal’ on the solder fillet. I like the look of the Protek pattern much better, just intuitively…. However, it may let the part skew more than the PCBLibraries one does as it would limit its movement in the ‘Y’ axis and allow adjacent parts to be closer.
Related Questions
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Attachment sent to Bill and Steve, maybe Steve could put it on his website for comments?