Recently we have achieved some TOP260YN and almost none have worked.
After we bought another components from other suplier and all of them have worked.
Comparing both, we detected that the resistence betwen pins S and G were diferents. In TOPs good, the resistence betwen pin S and pin G were zero and the TOPs bad, the resistence were high.
We would like to know if PI made some changes in this two pins and functions along the time of existence of this IC project or if we bought a false IC/bad provided.
I am sending the pictures of two components to you see if you can recognize some strange caracteristic on package or inscription on the component body.
I am saying about 50 bad pieces.
My email is firstname.lastname@example.org.