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Old 07-12-2006, 11:46 PM   #1 (permalink)
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Default LED question..

What would happen if I had say, a 5v LED and hooked it to a 12v powersource, without a resister? I already know it turns on, it doens't like fry it or anything. Will anything bad happen?
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Old 07-12-2006, 11:53 PM   #2 (permalink)
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It will burn/melt/fry

Fun stuff eh?
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Old 07-13-2006, 12:15 AM   #3 (permalink)
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So I take it this is a long term effect? When I put my 5V LED to a 12v power source, it just turns on...lol
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Old 07-13-2006, 12:27 AM   #4 (permalink)
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what? LED are very sensitive to high forward voltage but no the other way around. it's going to burn without resistors to take out the excessive current. don't do it man.
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Old 07-13-2006, 07:03 AM   #5 (permalink)
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Mmm, alright then. That means I gotta go like 20 miles away to get a gay resister, lol.
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