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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, green product. * side looking special for lcd backlight. * package in 8mm tape on 7" diameter reels. * eia std package. * i.c. compatible. * compatible with automatic placement equipment. * compatible with infrared and vapor phase reflow s older process. package dimensions part no. lens source color LTST-S220TBKT water clear ingan blue notes: 1. all dimensions are in millimeters (inches). 2. tolerance is 0.10 mm (.004") unless otherwise noted. part no. : LTST-S220TBKT page : 1 of 11 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 parameter LTST-S220TBKT unit power dissipation 76 mw peak forward current (1/10 duty cycle, 0.1ms pulse width) 100 ma dc forward current 20 ma derating linear from 50 c 0.25 ma/ c reverse voltage 5 v operating temperature range -20 c to + 80 c storage temperature range -30 c to + 100 c wave soldering condition 260 c for 5 seconds infrared soldering condition 260 c for 5 seconds vapor phase soldering condition 215 c for 3 minutes part no. : LTST-S220TBKT page : 2 of 11 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 suggestion profile: (1) suggestion ir reflow profile for normal process (2) suggestion ir reflow profile for pb free proces s r e c o m m e n d e d p r o file b e t w e e n a s s e m b le a n d h e a t-r e s is t a n c e l in e t h e p r o file is a v a ila b le th a t m u s t to u s e s n a g c u s o ld e r p a s t e part no. : LTST-S220TBKT page : 3 of 11 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 parameter symbol part no. ltst- min. typ. max. unit test condition luminous intensity iv s220tbkt 28.0 - 180.0 mcd if = 20ma note 1 viewing angle 2 1/2 s220tbkt 130 deg note 2 (fig.6) peak emission wavelength p s220tbkt 468 nm measurement @peak (fig.1) dominant wavelength d s220tbkt 465.0 - 475.0 nm if = 20ma note 3 spectral line half-width ? s220tbkt 25 nm forward voltage vf s220tbkt 2.80 - 3.80 v if = 20ma reverse current ir s220tbkt 10 a vr = 5v notes: 1. luminous intensity is measured with a l ight sensor and filter combination that approximate s the cie eye-response curve. 2. 1/2 is the off-axis angle at which the luminous int ensity is half the axial luminous intensity. 3. the dominant wavelength, d is derived from the cie chromaticity diagram and represents the single wavelength which defines the color of the device. 4. caution in esd: static electricity and surge damages the l ed. it is recommend to use a wrist band or anti-ele ctrostatic glove when handling the led. all devices, eq uipment and machinery must be properly grounded. part no. : LTST-S220TBKT page : 4 of 11 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 bin code list part no. : LTST-S220TBKT page : 5 of 11 bns-od-c131/a4 forward voltage unit: v @20ma bin code min. max. d7 2.80 3.00 d8 3.00 3.20 d9 3.20 3.40 d10 3.40 3.60 d11 3.60 3.80 tolerance on each forward voltage bin is +/-0.1 vol t luminous intensity unit : mcd @20ma bin code min. max. n 28.0 45.0 p 45.0 71.0 q 71.0 112.0 r 112.0 180.0 tolerance on each intensity bin is +/-15% dominant wavelength unit : nm @20ma bin code min. max. ac 465.0 470.0 ad 470.0 475.0 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 c urves (25 c ambient temperature unless otherwise noted) part no. : LTST-S220TBKT page : 6 of 11 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 unspecified chemical liquid to clean led they could harm the package. if clean is necessary, immerse the led in ethy l alcohol or in isopropyl alco hol at normal temperature for less one minute. suggest soldering pad dimensions package dimensions of tape and reel notes: 1. all dimensions are in millimeters (inches). part no. : LTST-S220TBKT page : 7 of 11 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 ta pe. 2. 7 inch reel-4000 pieces per reel. 3. minimum packing quantity is 500 pcs for remainde rs. 4. the maximum number of consecutive missing lamps is two. 5. in accordance with ansi/eia 481-1-a-1994 specifi cations. part no. : LTST-S220TBKT page : 8 of 11 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-S220TBKT page : 9 of 11 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 ap plications).consult liteons sales in advance for information on applications in which exceptiona l reliability is required, particularly when the fa ilure or malfunction of the leds may directly jeopardize life or health (such as in aviation, transportation , traffic control equipment, medical and life support systems and safety devices). 2. storage the storage ambient for the leds should not exceed 30c temperature or 70% relative humidity. it is recommended that leds out of their original p ackaging are ir-reflowed within one week. for extended storage out of their original packagin g, it is recommended that the leds be stored in a sealed container with appropriate desiccant, or in a desiccators with nitrogen ambient. leds stored out of their original packaging for mor e than a week should be baked at about 60 deg c for at least 24 hours before solder assembly. 3. cleaning use alcohol-based cleaning solvents such as isoprop yl alcohol to clean the led if necessary. 4. soldering recommended soldering conditions: reflow soldering wave soldering soldering iron pre-heat pre-heat time peak temperature soldering time 120~150c 120 sec. max. 240c max. 10 sec. max. pre-heat pre-heat time solder wave soldering time 100c max. 60 sec. max. 260c max. 10 sec. max. temperature soldering time 300c max. 3 sec. max. (one time only) 5. drive method an led is a current-operated device. in order to en sure intensity uniformity on multiple leds connected in parallel in an application, it is reco mmended that a current limiting resistor be incorpo rated in the drive circuit, in series with each led as sh own in circuit a below. circuit model a circuit model b led led (a) recommended circuit. (b) the brightness of each led might appear differe nt due to the differences in the i-v characteristic s of those leds. 6. esd (electrostatic discharge) static electricity or power surge will damage the l ed. suggestions to prevent esd damage: use of a conductive wrist band or anti-electrostati c glove when handling these leds. all devices, equipment, and machinery must be prope rly grounded. work tables, storage racks, etc. should be properly grounded. use ion blower to neutralize the static charge whic h might have built up on surface of the leds plastic lens as a result of friction between leds d uring storage and handling.
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-S220TBKT page : 10 of 11 bns-od-c131/a4 esd-damaged leds will exhibit abnormal characterist ics such as high reverse leakage current, low forwa rd voltage, or no lightup at low currents. to verify for esd damage, check for lightup and vf of the suspect leds at low currents. the vf of good leds should be >2.0v@0.1ma for i ngan product and >1.4v@0.1ma for alingap product. 7. reliability test classification test item test condition reference standard operation life ta= under room temperature as per data sheet maximum rating * test time= 1000hrs (-24hrs,+72hrs)*@20ma. mil-std-750d:1026 mil-std-883d:1005 jis c 7021:b-1 high temperature high humidity storage ir-reflow in-board, 2 times ta= 655 ,rh= 90 95% * test time= 240hrs2hrs mil-std-202f:103b jis c 7021:b-11 high temperature storage ta= 1055 * test time= 1000hrs (-24hrs,+72hrs) mil-std-883d:1008 jis c 7021:b-10 endurance test low temperature storage ta= -555 * test time=1000hrs (-24hrs,+72h rs) jis c 7021:b-12 temperature cycling 105 25 -55 25 30mins 5mins 30mins 5mins 10 cycles mil-std-202f:107d mil-std-750d:1051 mil-std-883d:1010 jis c 7021:a-4 thermal shock ir-reflow in-board, 2 times 85 5 -40 5 10mins 10mins 10 cycles mil-std-202f:107d mil-std-750d:1051 mil-std-883d:1011 solder resistance t.sol= 260 5 dwell time= 10 1secs mil-std-202f:210a mil-std-750d:2031 jis c 7021:a-1 ir-reflow normal process ramp-up rate(183 to peak) +3 / second max temp. maintain at 125(25) 120 seconds max temp. maintain above 183 60-150 seconds peak temperature range 235 +5/-0 time within 5c of actual peak temperature (tp) 10-30 seconds ramp-down rate +6 /second max mil-std-750d:2031.2 j-std-020c ir-reflow pb free process ramp-up rate(217 to peak) +3 / second max temp. maintain at 175(25) 180 seconds max temp. maintain above 217 60 -150 seconds peak temperature range 260 +0/ -5 time within 5c of actual peak temperature (tp) 20-40 seconds ramp-down rate +6 /second max mil-std-750d:2031.2 j-std-020c environmental test 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 mil-std-750d:2026 mil-std-883d:2003 iec 68 part 2-20 jis c 7021:a-2 8. others the appearance and specifications of the product ma y 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 checking list training and certification 1. everyone working in a static-safe area is esd- certified? 2. training records kept and re-certification dat es monitored? static-safe workstation & work areas 1. static-safe workstation or work-areas have esd signs? 2. all surfaces and objects at all static-safe wo rkstation 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 sens itive (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 calibrati on 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 generators (e.g. plastics) insi de 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 coor dinator? 2. corrective action from previous audits completed ? 3. are audit records complete and on file? part no. : LTST-S220TBKT page : 11 of 11 bns-od-c131/a4

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