everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 1 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen technical data sheet 1.3 mm height subminiature , axial flat top leds 28-21subc/s400-xx/xxx features ? package in 12mm tape on 7" diameter reels. ? eia std. package. ? mono-color type. ? pb free ? the product itself will remain within rohs compliant version. descriptions ? the 28-21 smd taping is much smaller than leaded components .thus enable smaller board size. higher packing density. reduced storage space and finally smaller equipment to be obtained. ? besides, light weight makes them ideal for miniature. ? further more by automation assembly machines the accuracy is anticipated. applications ? small indicator for outdoor applications. ? flat backlight for lcd, switches and symbols. ? indicator and backlight in office equipment. ? indicator and backlight for battery driven equipment. ? indicator and backlight for audio and video equipment. ? automotive : backlighting in dashboards and switches. ? general use. device selection guide chip material emitted color lens color ingan super blue water clear 28-21 f8/tr8
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 2 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx package outline dimensions unit:mm
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 3 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx absolute maximum ratings (ta=25 ) parameter symbol rating unit reverse voltage v r 5 v forward current i f 25 ma operating temperature topr -40 ~ +85 storage temperature tstg -40 ~ +100 soldering temperature tsol 260 for 5 seconds electrostatic discharge esd 150 v power dissipation pd 110 mw peak forward current(duty 1/10 @ 1khz) i f (peak) 100 ma electro-optical characteristics (ta=25 ) parameter symbol rank min. typ. max. unit condition a4 20 26 ------ a5 25 29 ------ luminous intensity i v a6 30 36 ------- mcd viewing angle 2 1/2 ---- ---- 150 ---- deg peak wavelength p ---- ---- 468 ---- nm dominant wavelength d ---- ---- 470 ---- nm spectrum radiation bandwidth ---- ---- 35 ---- nm forward voltage v f ---- ---- 3.5 4.3 v i f =20ma reverse current i r ---- ---- ---- 50 a v r =5v
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 4 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx typical electro-optical characteristics curves
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 5 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx material descriptions label explanation 28-21 subc / s400-xx / xxx cat: luminous intensity (mcd) 1 2 3 4 hue: dom. wavelength (nm) ref: forward voltage (v) 1.production part no.:28-21 2.chip part no.& epoxy color ingan =sub. c = water clear 3.chip size:s400(12mil) chip rank:a4~a6 4.packing method: (1)none,f8 bulk (2) tr8 taping reel & carrier tape dimensions
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 6 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx loaded quantity per reel 1000 pcs/reel tr8
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 7 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx reliability test items and conditions the reliability of products shall be satisfied with items listed below. confidence level : 90 % ltpd : 10 % no. items test condition test hours/cycles sample size ac/rc 1 reflow temp. : 240 5 min. 5 sec. 6 min. 22 pcs. 0/1 2 temperature cycle h : +100 15 min. 5 min. l : -40 15 min. 300 cycles 22 pcs. 0/1 3 thermal shock h : +100 5 min. 10 sec. l : -10 5 min. 300 cycles 22 pcs. 0/1 4 high temperature storage temp. : 100 1000 hrs. 22 pcs. 0/1 5 low temperature storage temp. : -55 1000 hrs. 22 pcs. 0/1 6 dc operating life i f = 20 ma 1000 hrs. 22 pcs. 0/1 7 high temperature / high humidity 85 /rh 85% 1000 hrs. 22 pcs. 0/1
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 8 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx precautions for use 1. over-current-proof customer must apply resistors for protection , otherwise slight voltage shift will cause big current change ( burn out will happen ). 2. storage time 2.1 the operation of temperature and rh are : 5 ~35 , rh60%. 2.2 once the package is opened, the products should be used within a week. otherwise, they should be kept in a damp proof box with descanting agent. considering the tape life , we suggest our customers to use our products within a year(from production date). 2.3 if opened more than one week in an atmosphere 5 ~35 , rh 60%, they should be treated at 60 5 for 15hrs. 2.4 when you discover that the desiccant in the package has a pink color (normal = blue) , you should treat them in the same conditions as 2.3. soldering heat reflow temp / time
everlight electronics co.,ltd. everlight electronics co., ltd. http://www.everlight.com rev. 2 page: 9 of 9 device no. : dle-282-114 prepared date: 07-26-2005 prepared by: forrest chen 28-21subc/s400-xx/xxx soldering iron basic spec is Q 5 sec when 260 .if temperature is higher, time should be shorter (+10 -1sec). power dissipation of iron should be smaller than 15 w , and temperature should be controllable. surface temperature of the device should be under 230 . rework 1. customer must finish rework within 5 sec under 245 . 2. the head of iron can not touch copper foil. 3. twin-head type is preferred. everlight electronics co., ltd. tel: 886-2-2267-2000, 2267-9936 office: no 25, lane 76, sec 3, chung yang rd, fax: 886-2267-6244, 2267-6189, 2267-6306 tucheng, taipei 236, taiw an, r.o.c http://www.everlight.com
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