Many here would have read about this already, but for those who havenít, Cree have recently announced the availability of some much anticipated higher bins in production volume.
Basically from my understanding the currently available Q4 bin has seen a slight increase with a minimum luminous flux of 100lm at 350mA, giving 86lm/W. These are available now, with the more exciting Q5 bin to follow in the third quarter this year, and the R2 bins to follow shortly after.
The Q5 bin should see a minimum luminous flux of 107lm at 350mA, giving 94lm/W. The main excitement though is with the R series bins, which should provide some serious lumen punch along with efficiency. It sounds like the R2 bin isnít too far off with a release expected by the end of the year, which should see a minimum luminous flux of 114lm at 350mA, breaking the magical 100lm/W number.
Further down the track is the mention of an R4 bin with a minimum luminous flux of 130lm at 350mA, giving 115lm/W, or an anticipated staggering 299 lumens at 1000mA! Again it will be a while off, but their mention in the media is encouraging as they usually hold true to their word.
Currently Cree only acknowledge up to the Q5 bin in their Binning and Labelling documentation, although I expect this will be updated once these higher bins do finally become available.
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Thread: Cree Binning Developments