Recent content by NJZFW

Hi you two and thanks for the replies. The cooling is already set, my task is to calculate if there will be overheating. Roughly 400 of those LED's are used in a big floodlight. What I need is basically the luminous efficacy of the LED (luminous flow/radiant flow). At this point I am quite...

Hello Forum, Iam Niki and work as a thermal engineer out of germany.greetings Niki

Hello Forum, I write you with the challenge of calculation the heat dissipation of a LED. The LED in question is http://www.seoulsemicon.com/en/product/spec/SZ5-M3-W0-00/22 a download of the datasheet is possible. The LED binning is 290lm (W4, 5000K) at 700mA, the efficacy is...