Frequently Asked Questions...
Nichia LED type NSPWR70CS-K1E info?
I have just received LEDs type NSPWR70CS-K1E from Nichia. Does anyone have any experience with these LEDs? I cannot find any Spec. Sheets. I don't know their efficiency.
Does anyone know the color temperature or the lumens per Watt?
Answer:
I have used a K1 LED from Nichia. Your LED seems to be a new sample they are developing so no data sheet yet.
http://www.nichia.com/product/led-lamp-flux.html
At the bottom of the page, it does have a few details about that particular LED
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