Hi, I need help to identify the nomenclature of the transistor marked in green, because it burned out. Thankss
The graphic card is a Nvidia MSI Aero Itx GT 1030.
P.S.: the component is burned but I think the nomenclature is KA2, but I need to check it.
It looks like a SOT23 package. Those are usually transistors, diodes, or voltage regulators.
If the marking on the top is definitely KA2 I found a datasheet on a diode that has KA2 lasered on it:
Looks to be a fairly common part
https://www.digikey.com/product-detail/en/diodes-incorporated/BAS16-7-F/BAS16-FDICT-ND/717812
Its likely the first to fail in a cascade of failures that isnt apparent right now. If you are intending to replace components manually, it should be primarily for learning purposes and keep your expectations in check.
EDIT: Meaning just becaused you fixed one component, doesnt mean it will work, for long at least.
If you are lucky it’s just a bad diode, but a diode very rarely burns for no reason. It’s usually a short circuit or a power surge of some sort.
You can probably get a replacement at you local electronics store.
U don’t give an idea of the hours that I come looking for this!
Thank u so much!
I still have hopes, the other time I checked with the GPU-Z and apparently everything was working normally.
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