Hello guys. I have GTX 1050ti with burnt smd element, what is that component? I think with this bubble IT should work.

In this "a-bit-wider-then-others" case - I often found P-Mosfets. But this need to be double-rechecked! since decising only by a case - is a bad idea.

To check this idea - try to find which of its (3) leads are directly connected to one of: ground, 12V, 3.3V, 5V, 1.8V.
Typically at least one lead is connected o a some "fixed" voltage level or ground.

n-mosfet
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this green area - it is bulb from heating?

Its bubble and after meansure board have short to ground, so i will buy 1050ti board with broken GPU because i think that GPU survived:)