What happened to this stack? I need a new one...

[dseg]

I just burnt up an ESC and was wondering if there was any way to figure out what happened. Attached are pics of ESC and FC. My DJI air unit still seems to work on other quads.
So the ESC/FC is done but I am guessing I can still reuse my motors, correct?
And for replacing the stack, I was wondering if I should go with a replacement of iFlight Succex-D F7 or get Diatone Mamba DJI F722 MK2 55A 128K Stack, the iFlight is almost double the $ for some reason though.
Any feedback would be appreciated.

 

[Dugdog47]

Wow how to you manage to catch it on fire?

I always go for the cheaper components myself and never have problems but some folks swear by the more expensive.

 

[Launchpad]

Looks to me like the boards were mounted too close to each other, or something worked it's way in between to cause a short.
As you state, everything else is reusable.
I'm sure the iFlight stuff is good, but I have not used them. The Diatone stacks have rarely given me issue.