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Old 03-03-2015, 11:06 AM #17
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Default Re: Destroyed diodes - help

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Originally Posted by Aleksa View Post
Do i need to post the exact same photo hakzaw did? We have killed so many diodes during tests,so we know what are we talking about. Trial and error my friend
How about a photo of your setup? And a photo of your DMM. You must think this trough.
Diode requires somewhere between 2.2-3v and lest say 300mA to be at the safe side.
If you have a cheap dmm,expect a lot of error in the reading. Use a 1om resistor and measure the voltage across. I=U/R so 1mV=1mA. If a diode is working on 300mA and it is on a heat sink,there is no way for it to die unless you are doing something wrong.
That can be a problem. My DMM is just... Screenshot by Lightshot Thanks !



Last edited by Seeder98; 03-03-2015 at 11:07 AM.
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Old 03-03-2015, 11:10 AM #18
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Default Re: Destroyed diodes - help

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Originally Posted by Eudaimonium View Post
Oh no, that's a breadboard connection.

Like I said in my post above, the connection to the diode must be permanent - solder it to the driver, don't use breadboards or alligator clips or whatever else is non-permanent.

That is the true problem IMHO, heatsinking is not an issue, never was, not with 60mA and not while the diode is in Aixiz module.
I read your pervious post ! I think that's the problem ! It's true my diodes accidentally disconnects some time.

Thanks a lot !

Last edited by Seeder98; 03-03-2015 at 11:11 AM.
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