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Kamui04 It burned because you need a heatsink with these LEDs. Even the small 1W ones need to be soldered to a aluminum backplate to dissipate the heat.

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Leon bed Did you use these without a regulator? You always need to regulate LEDs, because they are unstable without regulation. Other LEDs have resistors inside them to regulate them, you could easily solder one onto this LED

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kuhle NB. max Forward Current 1050 mA

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