Kindly Note, QingPu is the FIRST manufacturer to have idea of square bushing for WQP-WQP518MA-BM (Previous part name was WQP-PJ398S-BM, the two part names were firstly created by QingPu), if anyone makes same as ours, they must copy from us!
WQP-WQP518MA-BM is an IMPROVED version for WQP-PJ301BM, same footprint as WQP-PJ301BM, with MORE RELIABLE BUSHING.
THE SWITCH COULD PASS DESTRUCTIVE TEST. Normal life is around 5K cycles, WQP-WQP518MA-BM is 20K cycles at least (Tested both by machine and by hand, but we didn't continue testing it after 20K cycles).
The only difference between the old and new is, the former has a semi circle round tab, and the latter has a rectangle tab, but the height of these two tabs are same, that is, still 1mm.
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