Electronics > Repair
Cannot find smd number
keifcoofghook:
i have this smd that i need to replace: c8csa | sot-23
can anyone help?
Swake:
Not conclusive but nevertheless herewith what I found.
Everything is SOT23
Marking
C8 BCF30 - Transistor
8C MMBZ5228B - 3.9V zener 0.225W
8S MMBZ5242B - 12V zener 0.225W
SA BSS123 - n-ch mosfet 100V 0.17A
nothing found with
08
O8
8SA
Could not find what the C with double underline means, did not find a similar logo either.
Well, it must be out there. If you find something let us know !
inse:
What does U indicate in your PCB? IC, Transistor, MOSFET?
If you don’t know what it is, how do you know it needs replacement?
Draw a schematic around this part, maybe it gets clearer…
keifcoofghook:
i know it needs to be replaced just by the look of it and based on the marking, u71 seems to be same as u70 because of the order of the other components and i also checked the bad smd under microscope and i saw the first 2 letter c8.
inse:
Then desolder U71 and measure what it is, would help searching
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