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Help identifying burned diode

Unumbium

Apr 28, 2017
2
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Apr 28, 2017
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2
Hi, i need some help identifying this diode i dont know if it a SMD, couldnt find anything on the internet. it has 3mm(L)x1.5mm(W) approximately, there are 2 that look the same (red circle) and those two have the same value with the multi meter.
0ArQSTs.jpg
 

(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
Moderator
Jan 21, 2010
25,510
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Jan 21, 2010
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25,510
Firstly, you need to read this.

Secondly, fix the solder joint. I agree it looks suspicious.

There's no indications of what those diodes are. But there's several of them, so maybe they're all the same. And maybe they're regular diodes? A 1N4148 might be a suitable replacement. Sides generally fail short circuit, so if the one that's been hot is not shorted, it may still be ok.

I think I see a 0 on that resistor, but no other digits, so I can't say what the value might be. Have you measured it?

Also not that the components are glued down. This may make them a little harder to remove if you get to that point.
 

Unumbium

Apr 28, 2017
2
Joined
Apr 28, 2017
Messages
2
I extracted the resistor and the code says 470 (according to the internet that equals 47 ohm) the multi-meter marks 47 ohm, so maybe the resistor still works?
Was doing some research and it could be a switching diode but not sure, Ill try to find a 1N4148.
 

davenn

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Sep 5, 2009
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14,232
I extracted the resistor and the code says 470 (according to the internet that equals 47 ohm) the multi-meter marks 47 ohm, so maybe the resistor still works?

sounds good :)
 
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