Don't mean to derail the thread Kool, but I found this random manufacturer with a nice little chart listing a bunch of information making it very easy to compare chip size vs efficiency. Thought it might be interesting for some of us here. Same voltage, same current, same manufacturer, same CCT, different chip sizes, different lumen output. I find it interesting to see that all 45mil chips are not created equal. Wtf is that about?
[TABLE="width: 665"]
[TR]
[TD="bgcolor: transparent, align: left"]LS-HPEJY38M300CW-A8[/TD]
[TD="bgcolor: transparent, align: left"]300Watt[/TD]
[TD="bgcolor: transparent, align: left"]Epistar[/TD]
[TD="bgcolor: transparent, align: left"]Taiwan[/TD]
[TD="bgcolor: transparent, align: left"]38x38mil[/TD]
[TD="bgcolor: transparent, align: left"]300x1W[/TD]
[TD="bgcolor: transparent, align: left"]24000-27000lm[/TD]
[TD="bgcolor: transparent, align: left"]30.0-34.0V[/TD]
[TD="bgcolor: transparent, align: left"]10.5A[/TD]
[TD="bgcolor: transparent, align: left"]Warm White
White
Cool White[/TD]
[TD="bgcolor: transparent, align: left"]2800-3500K
5000-6000K
6500-7500K[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent, align: left"]LS-HPEJY45M300CW-A10[/TD]
[TD="bgcolor: transparent, align: left"]Epistar[/TD]
[TD="bgcolor: transparent, align: left"]Taiwan[/TD]
[TD="bgcolor: transparent, align: left"]45x45mil[/TD]
[TD="bgcolor: transparent, align: left"]300x1W[/TD]
[TD="bgcolor: transparent, align: left"]27000-33000lm[/TD]
[TD="bgcolor: transparent, align: left"]30.0-34.0V[/TD]
[TD="bgcolor: transparent, align: left"]10.5A[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent, align: left"]LS-HPEJY50M300CW-A11[/TD]
[TD="bgcolor: transparent, align: left"]Epistar[/TD]
[TD="bgcolor: transparent, align: left"]Taiwan[/TD]
[TD="bgcolor: transparent, align: left"]45x45mil[/TD]
[TD="bgcolor: transparent, align: left"]300x1W[/TD]
[TD="bgcolor: transparent, align: left"]33000-39000lm[/TD]
[TD="bgcolor: transparent, align: left"]30.0-34.0V[/TD]
[TD="bgcolor: transparent, align: left"]10.5A[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent, align: left"]LS-HPEJY60M300CW-A14[/TD]
[TD="bgcolor: transparent, align: left"]Epistar[/TD]
[TD="bgcolor: transparent, align: left"]Taiwan[/TD]
[TD="bgcolor: transparent, align: left"]60x60mil[/TD]
[TD="bgcolor: transparent, align: left"]300x1W[/TD]
[TD="bgcolor: transparent, align: left"]39000-51000lm[/TD]
[TD="bgcolor: transparent, align: left"]30.0-34.0V[/TD]
[TD="bgcolor: transparent, align: left"]10.5A[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent, align: left"]LS-HPEPY45M300CW-A10[/TD]
[TD="bgcolor: transparent, align: left"]Bridgelux[/TD]
[TD="bgcolor: transparent, align: left"]USA[/TD]
[TD="bgcolor: transparent, align: left"]45x45mil[/TD]
[TD="bgcolor: transparent, align: left"]300x1W[/TD]
[TD="bgcolor: transparent, align: left"]27000-33000lm[/TD]
[TD="bgcolor: transparent, align: left"]30.0-34.0V[/TD]
[TD="bgcolor: transparent, align: left"]10.5A[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent, align: left"]LS-HPEPY50M300CW-A11[/TD]
[TD="bgcolor: transparent, align: left"]Bridgelux[/TD]
[TD="bgcolor: transparent, align: left"]USA[/TD]
[TD="bgcolor: transparent, align: left"]45x45mil[/TD]
[TD="bgcolor: transparent, align: left"]300x1W[/TD]
[TD="bgcolor: transparent, align: left"]33000-39000lm[/TD]
[TD="bgcolor: transparent, align: left"]30.0-34.0V[/TD]
[TD="bgcolor: transparent, align: left"]10.5A[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent, align: left"]LS-HPEPY60M300CW-A14[/TD]
[TD="bgcolor: transparent, align: left"]Bridgelux[/TD]
[TD="bgcolor: transparent, align: left"]USA[/TD]
[TD="bgcolor: transparent, align: left"]60x60mil[/TD]
[TD="bgcolor: transparent, align: left"]300x1W[/TD]
[TD="bgcolor: transparent, align: left"]39000-51000lm[/TD]
[TD="bgcolor: transparent, align: left"]30.0-34.0V[/TD]
[TD="bgcolor: transparent, align: left"]10.5A[/TD]
[/TR]
[/TABLE]
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