d a t a s h e e t : c l d - c t 0 2 7 . 0 0 0 cree ? 3-mm round led model # lc374twr-25q-a data sheet 25-degree, 3-mm round led lamp in warm white color with water-transparent lens and no stopper applications advertising signs indicators lcd backlight illuminations absolute maximum ratings (t a = 25c) items symbol absolute maximum rating unit forward current i f 25 ma peak forward current note i fp 100 ma reverse voltage v r 5 v power dissipation p d 100 mw operation temperature t opr -40 ~ +95 c storage temperature t stg -40 ~ +100 c lead soldering temperature t sol max. 260c for 3 sec. max. (3 mm from the base of the epoxy bulb) note: pulse width 0.1 msec, duty 1/10 typical electrical & optical characteristics (t a = 25c) characteristics symbol condition unit minimum typical maximum forward voltage v f i f = 20 ma v 3.4 4.0 forward voltage v f i f = 1.0 a v 1.7 2.5 reverse current i r v r = 5 v a 100 luminous intensity i v i f = 20 ma mcd 2130 3600 chromaticity coordinates x i f = 20 ma 0.426 y i f = 20 ma 0.393 color temperature cct i f = 20 ma k 3000 50% power angle 2?h-h i f = 20 ma deg 25 ? ? ? ? subject to change without notice. www.cree.com/ledlamps
copyright ? 2007 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks of cree, inc. 2 cld-ct027.000 cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com/ledlamps standard bins for lc374twr-25q-a (i f = 20 ma) lamps are sorted to luminous intensity (i v ) and chromaticity coordinates (x,y) bins shown. orders for LC374TWR1-25Q-A1 may be flled with any or all bins contained as below. all luminous intensity (i v ) and chromaticity coordinates (x,y) values shown and specifed are at i f = 20 ma. d e f y or above x w v rank d e f chromaticity coordinates x 0.3541 0.3610 0.4030 0.3822 0.3822 0.4030 0.4490 0.4129 0.4129 0.4490 0.5080 0.4588 y 0.3401 0.3900 0.4250 0.3580 0.3580 0.4250 0.4530 0.3725 0.3725 0.4530 0.4720 0.3838 important notes: all ranks will be included per delivery; rank ratio will be based on the dice distribution. pb content <1000 ppm. tolerance of measurement of luminous intensity is 15%. tolerance of measurement of the color coordinates is 0.01. tolerance of measurement of v f is 0.05 v. packaging methods are available for selection; please refer to the cree led lamp packaging standard docu - ment. please refer to the cree led lamp reliability test standards document for reliability test conditions. please refer to the cree led lamp soldering & handling document for information about how to use this led product safely. 1. 2. 3. 4. 5. 6. 7. 8. luminous intensity (i v ) chromaticity coordinates (x, y) 5860 mcd 4180 mcd 3000 mcd 2130 mcd
copyright ? 2007 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks of cree, inc. 3 cld-ct027.000 cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com/ledlamps cie chromaticity diagram 4/5 format #: cotco-d-074 rev.4 document no. spe/ lc374twr1-25p-a1 rev. no. 03 cie chromaticity diagram cie 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 x y 520 530 540 550 560 570 580 590 600 610 620 630 510 490 480 470 460 d f e
copyright ? 2007 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks of cree, inc. 4 cld-ct027.000 cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com/ledlamps graphs 5/5 format #: cotco-d-074 rev.4 document no. spe/ lc374twr1-25p-a1 rev. no. 03 graphs items signatures date revision history prepared by liuzm 2007-04-26 rev. no date change description release. change iv from v,w(typ)3000 to v,w,x(typ)3600mcd; checked by huangjd 2007-04-26 02 2006-05-12 2 t ? from 30deg to 25deg; dimension drawing from 10.7 r 0.5 to 10.9 r 0.5 approved by david 2007-04-26 03 2007-04-26 change tolerance of cie(x,y) from +/-0.015 to +/-0.01 fcn# fcn20070432 data is subject to change without prior notice; pleas e refer to cotco website for the latest version. copyright@2002 cotco international ltd.
copyright ? 2007 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks of cree, inc. 5 cld-ct027.000 cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com/ledlamps mechanical dimensions all dimensions are in mm. tolerance is 0.25 mm unless otherwise noted. an epoxy meniscus may extend about 1.5 mm down the leads. burr around bottom of epoxy may be 0.5 mm max. notes rohs compliance the levels of environmentally sensitive, persistent biologically toxic (pbt), persistent organic pollutants (pop), or otherwise restricted materials in this product are below the maximum concentration values (also referred to as the threshold limits) permitted for such substances, or are used in an exempted application, in accordance with eu direc - tive 2002/95/ec on the restriction of the use of certain hazardous substances in electrical and electronic equipment (rohs), as amended through april 21, 2006. vision advisory claim users should be cautioned not to stare at the light of this led product. the bright light can damage the eye. 2/5 format #: cotco-d-074 rev.4 document no. spe/ LC374TWR1-25Q-A1 rev. no. 02 a a p p p p l l i i c c a a t t i i o o n n s s : : d d i i m m e e n n s s i i o o n n d d r r a a w w i i n n g g - advertising signs - indicators - lcd back light - illuminations a a b b s s o o l l u u t t e e m m a a x x i i m m u u m m r r a a t t i i n n g g s s a a t t t t a a = = 2 2 5 5 c items symbol absolute maximum rating unit forward current i f 25 ma peak forward current* i fp 100 ma reverse voltage v r 5 v power dissipation p d 100 mw operation temperature t opr -40 ~ +95 c storage temperature t stg -40 ~ +100 c lead soldering temperature t sol max.260 c for 3 sec max. (3mm from the base of the epoxy bulb) *pulse width <=0.1msec duty <=1/10 t t y y p p i i c c a a l l e e l l e e c c t t r r i i c c a a l l & & o o p p t t i i c c a a l l c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s ( ( t t a a = = 2 2 5 5 c ) ) items symbol condition min. typ. max. unit forward voltage v f i f = 20ma --- 3.4 4.0 v forward voltage v f i f = 1.0 p $ 1.7 --- 2.5 v reverse current i r v r = 5v --- --- 100 p a luminous intensity i v i f = 20ma 2130 3600 --- mcd x i f = 20ma --- 0.426 --- --- chromaticity coordinates y i f = 20ma --- 0.393 --- --- color temperature cct i f = 20ma --- 3000 --- k 50% power angle 2 t ? h-h i f = 20ma --- 25 --- deg
copyright ? 2007 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks of cree, inc. cld-ct027.000 cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com/ledlamps kit number system cree led lamps are tested and sorted into performance bins. a bin is specifed b y ranges of color, forward voltage, and brightness. sorted leds are packaged for shipping in various convenient options. please refer to the cree led lamp packaging standard document for more information about shipping and packaging options. cree leds are sold by order codes in combinations of bins called kits. order codes are confgured in the following manner: * contact your cree sales representative for ordering information. standard available kits* kit number description LC374TWR1-25Q-A1-00001 3 mm round 25 warm white, full rank, bulk pack * please contact your cree representative about the availability of non-standard kits. aaaaaaaaa-aaa-aa- x x x x x wd/color 1: full-color distribution 2~9, a~z . . . : special request * i v 0: full luminous intensity distribution 1~9, a~z . . . :special request * v f 0: full forward v oltage distribution 1~9, a~z . . . : special request * pa cking type 0: standard = bulk pack 1~9, a~z . . . : special request * standard/custom 0: standard c: custom product p/n
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