Mosfet pads gone

WBahn

Joined Mar 31, 2012
30,065
View attachment 316144
Is This Board dead? Only trace I see is the one for the 22.1 Ohm SMD chip.
Probably.

If this damage was done during board operation (as opposed to, say, when a component was being removed for some reason and excessive heat was applied), then it is likely that other components on the board have been damaged, as well.

If it was done when working on the board, and IF the damaged pads are only connected to top/bottom level traces, then you can likely do an ad-hoc repair. If there are mid-layer connections, things get a lot more dicey.
 

Thread Starter

Method21

Joined Feb 6, 2024
15
You have to see what is left after removing the carbon burn. But it does look like it did burn and arc between layers and even to the solder pad that is left. Its most likely not repairable.
thanks
Probably.

If this damage was done during board operation (as opposed to, say, when a component was being removed for some reason and excessive heat was applied), then it is likely that other components on the board have been damaged, as well.

If it was done when working on the board, and IF the damaged pads are only connected to top/bottom level traces, then you can likely do an ad-hoc repair. If there are mid-layer connections, things get a lot more dicey.
Thanks for all the info.
 
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