There are three ways to tell which side it positive or negative on an led in this fashion:Look at the long leg, that is positiveThere is usually a side or part of the led that is flat, that side is negativeIf you look inside the led you can see the larger side, which is also negative
3mm negative negative
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DIP LED Polarity of 3mm, 5mm, 10mm LEDs etc...
Categories: General LED InformationTags: led polarity, how to tell led polarity, 3mm led polarity, polarity of 3mm leds, 3mm led positive, 3mm negative negative, 5mm polarity & 10mm polarityPosted On: June 4 2012Posted By: LighthouseLEDs
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