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lite-on dcc release lite-on technology corp. / optoelectronics no.90,chien 1 road, chung ho, new taipei city 23585, taiwan, r.o.c. tel: 886-2-2222-6181 fax: 886-2-2221-1948 / 886-2-2221-0660 http://www.liteon.com/opto smd ledproduct data sheetltst-s115krkgkt spec no.: ds22-2011-0181effective date: 05/04/2011revision: - bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y features * meet rohs, hf, green product . * dual color chip led. * side l ooking s pecial f or lcd b acklight. * ultra bright alingap / alingap chip led. * package in 8mm tape on 7" diameter reels. * compatible with automatic placement equipment. * compatib le with infrared reflow solder process. * eia std package. * i.c. compatible. package dimensions devices part no. lens source color pin assignment ltst - s115krkgkt water clear alingap red c2 alingap green c1 notes: 1. a ll dimensions are in millimeters (inches). 2. tolerance is 0.10 mm (.004") unless otherwise noted. part no. : ltst - s115krkgkt page : 1 of 1 2 bns - od - c131/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y absolute maximum ratings at ta=25 ? c parameter lt st - s115krkgkt unit red green power dissipation 75 75 mw peak forward current ( 1/10 duty cycle, 0.1ms pulse width ) 80 80 ma dc f orward c urrent 30 30 ma reverse voltage note a 5 5 v operating temperature range - 30 c to + 85 c storage temperature range - 40 c to + 85 c infrared soldering condition 260 c for 10 seconds note a: reverse voltage cant be continued operating part no. : ltst - s115krkgkt page : 2 of 1 2 bns - od - c131/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y suggest ion profile: suggest ion ir reflow profile for pb free process part no. : ltst - s115krkgkt page : 3 of 1 2 bns - od - c131/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y electrical / optical characteristics at ta=25 ? c parameter symbol ltst - s115krkgkt unit test condition red green luminous intensity iv min. 45.0 28.0 mcd if =20ma note 1 typ. - - max. 180.0 112.0 viewing angle 2 ? 1/2 typ. 130 130 deg note 2 (fig.6) peak emission wavelength ? p typ. 63 2 574 nm measurement @peak (fig.1) dominant wave length ? d min. 615.0 570.5 nm if =20ma note 3 max. 635.0 576.5 spectral line half - width ? ? typ. 17 15 nm forward voltage vf typ. 2.00 2.00 v if =20ma max . 2.4 0 2.40 reverse current ir max . 10 10 ? a vr = 5v notes: 1. luminous int ensity is measured with a light sensor and filter combination that approximates the cie eye - response curve. 2. 1/2 is the off - axis angle at which the luminous intensity is half the axial luminous intensity. 3. the dominant wavelen gth, d is derived from the cie chromaticity diagram and represents the single wavelength which defines the color of the device. part no. : ltst - s115krkgkt page : 4 of 1 2 bns - od - c131/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y part no. : ltst - s115krkgkt page : 5 of 1 2 bns - od - c131/a4 bin code list luminous intensity color : red , unit : mcd @ 20 ma bin code min. max. p 45.0 71.0 q 71.0 112.0 r 112.0 180.0 tolerance on each intensity bin is +/ - 15% luminous intensity color : green , unit : mcd @20ma bin code min. max. n 28.0 45.0 p 45.0 71.0 q 71.0 112. 0 tolerance on each intensity bin is +/ - 15% dominant wavelength color : green , unit : nm @20ma bin code min. max. d 570.5 573.5 e 573.5 57 6 .5 tolerance for each dominate wavelength bin is +/ - 1nm
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y typical electrical / optical characteristics curves (25 ? c ambient temperature unless otherwise noted) part no. : ltst - s115krkgkt page : 6 of 1 2 bns - od - c131/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y cleaning do not use unspe cified chemical liquid to clean led they could harm the package. if clean is necessary, immerse the led in ethyl alcohol or in isopropyl alcohol at normal temperature for less one minute. suggest soldering pad dimensions suggest soldering direction: package dimensions of tape and reel notes: 1. all dimensions are in millimeters (inches). part no. : ltst - s115krkgkt page : 7 o f 1 2 bns - od - c131/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y notes: 1. empty component pockets sealed with top cover tape. 2. 7 inch reel - 3 000 pieces per reel. 3. minimum packing quantity is 500 pcs for remainders. 4. the maximum number of consecutive missing lamps is two. 5. in acco rdance with ansi/eia 481 - 1 - a - 1994 specifications. part no. : ltst - s115krkgkt page : 8 of 1 2 bns - od - c131/a4
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y part no. : ltst - s115krkgkt page : 9 of 1 2 bns - od - c131/a4 cautions 1. application the leds described here are intended to be used for ordinary electronic equipment (such as office equipment, communication equipment and household applications).consult liteons sales in advance 2. storage the package is sealed: the leds should be stored at 30c or less and 90%rh or less. and the leds ar e limited to use within one year, while the leds is packed in moisture - proof package with the desiccants inside. the package is opened: the storage ambient for the leds should not exceed 30c temperature or 6 0% relative humidity. it is recommended that leds out of their original packaging are ir - reflowed within one week. for extended storage out of their original packaging, it is recommended that the leds be stored in a sealed container with appropriate desiccant, or in a desiccato rs with nitrogen ambient. leds stored out of their original packaging for more than a week should be baked at about 60 deg c for at least 2 0 hours before solder assembly. 3. cleaning use alcohol - based cleaning solvents such as isopropyl alcohol to clean the led if necessary. 4. soldering recommended soldering conditions: reflow soldering soldering iron pre - heat pre - heat time peak temperature soldering time 1 50 ~ 200 c 120 sec. max. 2 6 0c max. 10 sec. max. (max. two times) temperature soldering time 300c m ax. 3 sec. max. (one time only) s oldering notes: because different board designs use different number and types of devices, solder pastes, reflow ovens, and circuit boards, no single temperature profile works for all possible combinations. however, yo u can successfully mount your packages to the pcb by following the proper guidelines and pcb - specific characterization . lite - on runs both component - level verification using in - house kyramx98 reflow chambers and board - level assembly. the results of this tes ting are verified through post - reflow reliability testing. profiles used at lite - on are based on jedec standards to ensure that all packages can be successfully and reliably surface mounted. figure on page3 shows a sample temperature profile compliant to jedec standards. you can use this example as a generic target to set up your reflow process. you should adhere to the jedec profile limits as well as specifications and recommendations from the solder paste manufacturer to avoid damaging the device and c reate a reliable solder joint.
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y 5. drive method an led is a current - oper ated device. in order to ensure intensity uniformity on multiple leds connected in parallel in an application, it is recommended that a current limiting resistor be incorporated in the drive circuit, in series with each led as shown in circuit a below. ci rcuit model a circuit model b (a) recommended circuit. (b) the brightness of each led might appear different due to the differences in the i - v characteristics of t hose leds. 6. esd (electrostatic discharge) static electricity or power surge will damage the led. suggestions to prevent esd damage: ? use of a conductive wrist band or anti - electrostatic glove when handling these leds. ? all devices, equipment, and m achinery must be properly grounded. ? work tables, storage racks, etc. should be properly grounded. ? use ion blower to neutralize the static charge which might have built up on surface of the leds plastic lens as a result of friction between leds during stor age and handling. esd - damaged leds will exhibit abnormal characteristics such as high reverse leakage current, low forward voltage, or no lightup at low currents. to verify for esd damage, check for lightup and vf of the suspect leds at l ow currents. the vf of good leds should be >2.0v@0.1ma for ingan product and >1.4v@0.1ma for alingap product. part no. : ltst - s115krkg kt page : 10 of 1 2 bns - od - c131/a4 led led
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y part no. : ltst - s115krkgkt page : 11 o f 1 2 bns - od - c131/a4 7. reliability test classification test item test condition reference standard endurance test operation life ta= under room temperature as per data sheet maximum rating * test time= 1000hrs ( - 24hrs,+72hrs) mil - std - 750d:1026 (1995) mil - std - 883d:1005 (1991) jis c 7021:b - 1 (1982) high te mperature high humidity storage ir - reflow in - board, 2 times ta= 655 ,rh= 90 95% * test time= 24 0 hrs2hrs mil - std - 202f:103b(1980) jis c 7021:b - 11(1982) high temperature storage ta= 1055 * test time= 1000hrs ( - 24hrs,+72hrs) mil - std - 883d:1008 (1991) jis c 7021:b - 10 (1982) low temperature storage ta= - 555 * test time= 1000hrs ( - 24hrs,+72h rs) jis c 7021:b - 12 (1982) environmental test temperature cycling 105 25 - 55 25 30mins 5mins 30mins 5mins 10 cycles mil - std - 202f:107d (1980) mil - std - 750d:1051(1995) mil - std - 883d:1010 (1991) jis c 7021:a - 4(1982) ther mal shock ir - reflow in - board, 2 times 8 5 5 - 40 5 10mins 10mins 10 cycles mil - std - 202f:107d(1980) mil - std - 750d:1051(1995) mil - std - 883d:1011 (1991) solder resistance t.sol= 260 5 dwell time= 10 1secs mil - std - 202f:210a(1980) mil - std - 750d: 2031(1995) jis c 7021:a - 1(1982) ir - reflow pb free process ramp - up rate(217 to peak) +3 / second max temp. maintain above 217 60 - 150 seconds peak temperature range 260 +0/ - 5 time within 5c of actual peak temperature (tp) 10~30 sec onds ramp - down rate +6 /second max mil - std - 750d:2031.2 j - std - 020 d solderability t.sol= 235 5 immersion time 20.5 sec immersion rate 252.5 mm/sec coverage R 95% of the dipped surface mil - std - 202f:208d(1980) mil - std - 750d:2026(1995) mil - std - 883d:2003(1991) iec 68 part 2 - 20 jis c 7021:a - 2(1982) 8. others the appearance and specifications of the product may be modified for improvement without prior notice.
lite - on technology corporation p r o p e r t y o f l i t e - o n o n l y 9. suggested c hecking l ist training and certification 1. everyone working in a static - safe area is esd - certified? 2. training records kept and re - certification dates monitored? static - safe workstation & work areas 1. stat ic - safe workstation or work - areas have esd signs? 2. all surfaces and objects at all static - safe workstation and within 1 ft measure less than 100v? 3. all ionizer activated, positioned towards the units? 4. each work surface mats grounding is good? personnel grounding 1. every person (including visitors) handling esd sensitive (esds) items wears wrist strap, heel strap or conductive shoes with conductive flooring? 2. if conductive footwear used, conductive flooring also present where operator stand or walk? 3. garments, hairs or anything closer than 1 ft to esd items measure less than 100v*? 4. every wrist strap or heel strap/conductive shoes checked daily and result recorded for all dls? 5. all wrist strap or heel strap checkers calibration up to date ? note: *50v for blue led. device handling 1. every esds items identified by eia - 471 labels on item or packaging? 2. all esds items completely inside properly closed static - shielding containers when not at static - safe workstation? 3. no static charge gene rators (e.g. plastics) inside shielding containers with esds items? 4. all flexible conductive and dissipative package materials inspected before reuse or recycles? others 1. audit result reported to entity esd control coordinator? 2. corrective action fr om previous audits completed? 3. are audit records complete and on file? part no. : ltst - s115krkgkt page : 12 of 1 2 bns - od - c131/a4

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