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Difference between revisions of "Cree"
add table for XT-E
(→XR-E: more about EZ1000 vs EZ900) |
(add table for XT-E) |
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Introduced in February 2012, the XT-E has the same size chip as the XP series but seems to have a wider viewing angle for more flood and less throw. Can be driven up to 1.5A and available in bins up to R5 (at 350mA). This is a high efficiency LED capable of 148 lumens per watt at 350mA. The LED is not a flat square, but has an X shaped hill on the surface. [http://www.cree.com/products/pdf/XLampXT-E.pdf Datasheet], [http://www.cree.com/press/press_detail.asp?i=1317907138192 press release]. | Introduced in February 2012, the XT-E has the same size chip as the XP series but seems to have a wider viewing angle for more flood and less throw. Can be driven up to 1.5A and available in bins up to R5 (at 350mA). This is a high efficiency LED capable of 148 lumens per watt at 350mA. The LED is not a flat square, but has an X shaped hill on the surface. [http://www.cree.com/products/pdf/XLampXT-E.pdf Datasheet], [http://www.cree.com/press/press_detail.asp?i=1317907138192 press release]. | ||
{|class="wikitable" style="text-align: center; width: 400px;" | |||
|+ Brightness Bins for Cree XT-E<BR>(max is R5 bin) | |||
|- | |||
!Bin !! 350mA<BR>100% !! 700mA<BR>178% !! 1000mA<BR>230% !! 1500mA<BR>302% | |||
|- | |||
|Q5 || 107-114 || 190-203 || 246-262 || 324-354 | |||
|- | |||
|R2 || 114-122 || 203-217 || 262-281 || 354-369 | |||
|- | |||
|R3 || 122-130 || 217-231 || 281-299 || 369-393 | |||
|- | |||
|R4 || 130-139 || 231-247 || 299-320 || 393-420 | |||
|- | |||
|'''R5*''' || 139-148 || 247-263 || 320-340 || 420-447 | |||
|- | |||
|S2 || 148-156 || 247-277 || 340-359 || 447-471 | |||
|} | |||