lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 1 features * lead (pb) free product - rohs compliant * low power consumption. * high efficiency & reliability. * versatile mounting on p.c. board or panel. * i.c. compatible/low current requirement. * popular t-1 diameter. package dimensions part no. lens color emitted color LTW-87HD4B water clear ingan white notes: 1. all dimensions are in millimeters (inches). 2. tolerance is 0.25mm(.010") unless otherwise noted. 3. protruded resin under flange is 1.0mm (.04") max . 4. lead spacing is measured where the leads emerge from the package. 5. specifications are subject to change without not ice.
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 2 absolute maximum ratings at ta=25oc parameter maximum rating unit power dissipation 108 mw peak forward current (1/10 duty cycle, 0.1ms pulse width) 40 ma dc forward current 20 ma reverse voltage 5 v operating temperature range -30oc to + 85oc storage temperature range -40oc to + 100oc lead soldering temperature [2.0mm(.08") from body] 260oc for 5 seconds
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 3 electrical / optical characteristics at ta=25oc parameter symbol min. typ. max. unit test condition luminous intensity iv 50 (140) mcd i f = 20ma note 1,2,3 iv spec. table viewing angle 2 1/2 - 130 - deg note 4 x - 0.25 - chromaticity coordinates y - 0.21 - if = 20ma note 5 hue spec. table & chromaticity diagram forward voltage v f - 3.3 3.6 v i f = 20ma reverse current i r - - 2 a v r = 5v note: 1. luminous intensity is measured with a light sens or and filter combination that approximates the cie eye-response curve. 2. the iv guarantee should be added 15% tolerance. 3. iv classification code is marked on each packing bag. 4. 1/2 is the off-axis angle at which the luminous intens ity is half the axial luminous intensity. 5. the chromaticity coordinates (x, y) is derived f rom the 1931 cie chromaticity diagram.
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 4 typical electrical / optical characteristics curves (25 ambient temperature unless otherwise noted) spectrum forward current vs. chromaticity coordinate 0.00 0.20 0.40 0.60 0.80 1.00 300 400 500 600 700 800 wavelength(nm) relative intensity 0.200 0.210 0.220 0.230 0.240 0.250 0.260 0 4 8 12 16 20 24 28 32 driving current(ma) ccx/ccy forward voltage vs. forward current ambient temperature vs. forward current forward current vs. relative luminous intensity 0 10 20 30 40 2.5 3 3.5 4 4.5 5 forward voltage vf(v) forward current if(ma) 0 5 10 15 20 25 0 20 40 60 80 100 ambient temperature(c) allowed driving current(ma) 0 0.5 1 1.5 2 0 20 40 60 forward current if(ma) relative intensity ambient temperature vs. relative luminous intensity directivity 0.1 1 10 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 ambient temperature(c) relative intensity -90 -60 -30 30 60 90 0 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 5 packing specification 500 pcs per packing bag 10 packing bags per inner carton total 5,000 pcs per inner carton 8 inner cartons per outer carton total 40,000 pcs per outer carton
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 6 optical/electrical bin table iv spec. table for reference luminous intensity (mcd) , if=20ma iv rank min. max. ef 85 140 gh 140 240 jk 240 400 luminous intensity measurement allowance is 15% vf spec. table for reference luminous intensity (mcd) , if=20ma vf rank min. max. 3e 3.0 3.2 4e 3.2 3.4 5e 3.4 3.6 luminous intensity measurement allowance is 15% hue spec. table for reference hue rank chromaticity coordinates, if=20 ma x 0.2057 0.2303 0.2230 0.2000 pb3 y 0.1640 0.1440 0.1300 0.1500 x 0.2114 0.2376 0.2303 0.2057 pb2 y 0.1780 0.1580 0.1440 0.1640 x 0.2170 0.2450 0.2376 0.2114 pb1 y 0.1910 0.1720 0.1580 0.1780 x 0.2257 0.2537 0.2450 0.2170 pa3 y 0.2080 0.1860 0.1720 0.1910 x 0.2344 0.2624 0.2537 0.2257 pa2 y 0.2250 0.2000 0.1860 0.2080 x 0.2430 0.2710 0.2624 0.2344 pa1 y 0.2410 0.2150 0.2000 0.2250 x 0.2520 0.2800 0.2710 0.2430 p12 y 0.2590 0.2295 0.2150 0.2410 x 0.2610 0.2890 0.2800 0.2520 p11 y 0.2770 0.2440 0.2295 0.2590 x 0.2710 0.2960 0.2890 0.2610 a12 y 0.2960 0.2565 0.2440 0.2770 x 0.2810 0.3030 0.2960 0.2710 a11 y 0.3150 0.2690 0.2565 0.2960 color coordinates measurement allowance is 0.01
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 7 c.i.e. 1931 chromaticity diagram 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.0 0.2 0.4 0.6 0.8 (x) (y) a11 a12 p11 p12 pa1 pa2 pb1 pb2 pa3 pb3 0.10 0.15 0.20 0.25 0.30 0.35 0.15 0.20 0.25 0.30 0.35 (x) (y)
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 8 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 failure or malfunction of the leds may directly jeo pardize 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 packagi ng are used within three months. 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 dessicator with nitrogen ambient. 3. cleaning use alcohol-based cleaning solvents such as isoprop yl alcohol to clean the leds if necessary. 4. lead forming & assembly during lead forming, the leads should be bent at a point at least 3mm from the base of led lens. do not use the base of the leadframe as a fulcrum duri ng forming. lead forming must be done before soldering at normal temperature. during assembly on pcb, use minimum clinch force possible to avoid excessive mechanical stress 5. soldering when soldering, leave a minimum of 3mm clearance fr om the base of the lens to the soldering point. dipping the lens into the solder must be avoided. d o not apply any external stress to the lead frame during soldering while the led is at high temperatu re. recommended soldering condition: soldering iron wave soldering temperature soldering time 300c max. 3 sec. max. (one time only) pre-heat pre-heat time solder wave soldering time 100c max. 60 sec. max. 260c max. 5 sec. max. note: excessive soldering temperature and/or time m ight result in deformation of the led lens or catastrophic failure of the led. ir re-flow is not suitable process for through-hole type led lamp production. 6. 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 incorporated in the drive circuit. in series with e ach led as shown in circuit a below. circuit model a circuit model b led led (a) recommended circuit. (b) the brightness of each led might appear different due to the differences in the i-v characteristics of those leds
lite-on technology corporation property of lite-on only part no.: LTW-87HD4B page: of 9 bns-od-c131/a4 9 7. esd (electrostatic discharge) static electricity or power surge will damage the l ed. suggestions to prevent esd damage. use a conductive wrist band or anti-electrostatic g love 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 led's plastic lens as a result of friction between leds during storage and handling. esd-damaged leds will exhibit abnormal characterist ics such as high reverse leakage current, low forward voltage, or no light up at low currents. to verify for esd damage, check for light up and vf of the suspect leds at low currents. suggested checking list: training and certification 1. everyone working in a static-safe area is esd -certified? 2. training records kept and re-certification da tes monitored? static-safe workstation & work areas 1. static-safe workstation or work-areas have es d signs? 2. all surfaces and objects at all static-safe w orkstation and within 1 ft measure less than 100v? 3. all ionize activated, positioned towards the units? 4. each work surface mats grounding is good? personnel grounding 1. every person (including visitors) handling es d sensitive (esds) items wear wrist strap, heel strap or conductive shoes with conductive floo ring? 2. if conductive footwear used, conductive floor ing 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 sh oes checked daily and result recorded for all dls? 5. all wrist strap or heel strap checkers calibr ation 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) i nside shielding containers with esds items? 4. all flexible conductive and dissipative packa ge materials inspected before reuse or recycle? others 1. audit result reported to entity esd control c oordinator? 2. corrective action from previous audits comple ted? 3. are audit records complete and on file? 8. others white led is materialized by combining blue led and phosphors. color of white led is changed a little by an operating current. the appearance and specifications of the product may be modified for improvement, without prior notice.
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