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  -0- no. stse-cc4017b specifications for nichia chip type white led model : NSSW020AT nichia corporation
-1- nichia stse-cc4017b 1.specifications (1) absolute maximum ratings (ta=25c) item symbol absolute maximum rating unit forward current i f 30 ma pulse forward current i fp 100 ma reverse voltage v r 5 v power dissipation p d 120 mw operating temperature t opr -30 ~ + 85 c storage temperature t stg -40 ~ +100 c soldering temperature t sld reflow soldering : 260c for 10sec. hand soldering : 350c for 3sec. i fp conditions : pulse width 10msec. and duty 1/10 (2) initial electrical/optical characteristics (ta=25c) item symbol condition typ. max. unit forward voltage v f i f =20[ma] (3.6) 4.0 v reverse current i r v r = 5[v] - 50 a luminous intensity iv i f =20[ma] (1200) - mcd x - i f =20[ma] 0.31 - - chromaticity coordinate y - i f =20[ma] 0.32 - - please refer to cie 1931 chromaticity diagram. (3) ranking (ta=25c) item symbol condition min. max. unit rank u2 iv i f =20[ma] 1200 1440 mcd rank u1 iv i f =20[ma] 1000 1200 mcd rank t2 iv i f =20[ma] 860 1000 mcd luminous intensity rank t1 iv i f =20[ma] 720 860 mcd luminous intensity measurement allowance is 10%. color ranks (i f =20ma,ta=25c) rank a3 x 0.280 0.264 0.287 0.296 y 0.248 0.267 0.295 0.276 rank b5 rank b6 x 0.296 0.287 0.307 0.311 x 0.311 0.307 0.330 0.330 y 0.276 0.295 0.315 0.294 y 0.294 0.315 0.339 0.318 rank b7 rank b8 x 0.291 0.279 0.302 0.308 x 0.308 0.302 0.319 0.321 y 0.257 0.276 0.302 0.279 y 0.279 0.302 0.318 0.294 color coordinates measurement allowance is 0.01. one delivery will include one set of the above color ra nks (a3 or b5 and b6 or b7 a nd b8) and four luminous intensity ranks of the products. the quantity-ratio of the ranks is decided by nichia. < = < =
-2- nichia stse-cc4017b 2.typical initial optical/electrical characteristics please refer to figure?s page. 3.outline dimensions and materials please refer to figure?s page. material as follows ; package : heat-resistant polymer encapsulating resin : silicone resin (with diffused + yag phosphor) electrodes : ag plating copper alloy 4.packaging the leds are packed in cardboard boxes after taping. please refer to figure?s page. the label on the minimum packing unit shows ; part number, lot number, ranking, quantity in order to protect the leds from mechanical shock, we pack them in cardboard boxes for transportation. the leds may be damaged if the boxes are dropped or receive a strong impact against them, so precautions must be taken to prevent any damage. the boxes are not water resistant and therefore must be kept away from water and moisture. when the leds are transported, we recommend that you use the same packing method as nichia. 5.lot number the first six digits number shows lot number . the lot number is composed of the following characters; - ! - year ( 3 for 2003, 4 for 2004 ) - month ( 1 for jan., 9 for sep., a for oct., b for nov. ) - nichia's product number ! - ranking by color coordinates - ranking by luminous intensity
-3- nichia stse-cc4017b 6.reliability (1) test items and results test item standard test method test conditions note number of damaged resistance to soldering heat (reflow soldering) jeita ed-4701 300 301 tsld=260c, 10sec. (pre treatment 30c,70%,168hrs.) 2 times 0/50 solderability (reflow soldering) jeita ed-4701 300 303 tsld=215 5c, 3sec. (lead solder) 1 time over 95% 0/50 thermal shock jeita ed-4701 300 307 0c ~ 100c 15sec. 15sec. 20 cycles 0/50 temperature cycle jeita ed-4701 100 105 -40c ~ 25c ~ 100c ~ 25c 30min. 5min. 30min. 5min. 100 cycles 0/50 moisture resistance cyclic jeita ed-4701 200 203 25c ~ 65c ~ -10c 90%rh 24hrs./1cycle 10 cycles 0/50 high temperature storage jeita ed-4701 200 201 ta=100c 1000 hrs. 0/50 temperature humidity storage jeita ed-4701 100 103 ta=60c, rh=90% 1000 hrs. 0/50 low temperature storage jeita ed-4701 200 202 ta=-40c 1000 hrs. 0/50 steady state operating life condition 1 ta=25c, i f =20ma 1000 hrs. 0/50 steady state operating life condition 2 ta=25c, i f =30ma 500 hrs. 0/50 steady state operating life of high temperature ta=85c, i f =5ma 1000 hrs. 0/50 steady state operating life of high humidity heat 60c, rh=90%, i f =15ma 500 hrs. 0/50 steady state operating life of low temperature ta=-30c, i f =20ma 1000 hrs. 0/50 vibration jeita ed-4701 400 403 100 ~ 2000 ~ 100hz sweep 4min. 200m/s 2 3direction, 4cycles 48min. 0/50 substrate bending jeita ed-4702 3mm, 5 1 sec. 1 time 0/50 stick jeita ed-4702 5n, 10 1 sec. 1 time 0/50 (2) criteria for judging the damage criteria for judgement item symbol test conditions min. max. forward voltage v f i f =20ma - u.s.l.*) 1.1 reverse current i r v r =5v - u.s.l.*) 2.0 luminous intensity i v i f =20ma l.s.l.**) 0.7 - *) u.s.l. : upper standard level **) l.s.l. : lower standard level
-4- nichia stse-cc4017b 7.cautions the leds are devices which are materialized by combining blue leds and special phosphors. consequently, the color of the leds is changed a little by an operating current. care should be taken after due consideration when using leds. (1) moisture proof package when moisture is absorbed into the smt package it may vaporize and expand during soldering. there is a possibility that this can cause exfoliation of the contacts and damage to the optical characteristics of the leds. for this reason, th e moisture proof package is used to keep moisture to a minimum in the package. the moisture proof package is made of an aluminum moisture proof bag with a zipper. a package of a moisture absorbent material (silica gel) is inserted into the aluminum moisture proof bag. the silica gel changes its color from blue to pink as it absorbs moisture. (2) storage storage conditions before opening the package : the leds should be kept at 30c or less and 90%rh or less. the leds should be used within a year. when storing the leds, moisture proof packaging with absorbent material (silica gel) is recommended. after opening the package : the leds should be kept at 30c or less and 70%rh or less. the leds should be soldered within 168 hours (7days) after opening the package. if unused leds remain, they should be stored in moisture proof packages, such as sealed containers with packages of moisture absorbent material (silica gel). it is also recommended to return the leds to the original moisture proof bag and to reseal the moisture proof bag again. if the moisture absorbent material (silica gel) has faded away or the leds have exceeded the storage time, baking treatment should be performed using the following conditions. baking treatment : more than 24 hours at 65 5c nichia led electrode and leadframe are comprised of a silver plated copper alloy. the silver surface may be affected by environments which contain corrosive gases and so on. please avoid conditions which may cause the led to corrode, tarnish or di scolor. this corrosion or discoloration might lower solderability or might affect on optical characteristics. please avoid rapid transitions in ambient temperature, especially in high humidity environments where condensation can occur. (3) heat generation thermal design of the end product is of paramount importance. please consider the heat generation of the led when making the system design. the coefficient of temperature increase per input electric power is affected by the thermal resistan ce of the circuit board and density of led placement on the board, as well as other components. it is necessary to avoid intense heat generation and operate within the maximum ratings given in this specification. the operating current should be decided after considering the ambient maximum temperature of leds.
-5- nichia stse-cc4017b (4) soldering conditions the leds can be soldered in place using the reflow soldering method. nichia cannot make a guarantee on the leds after they have been assembled using the dip soldering method. recommended soldering conditions reflow soldering hand soldering lead solder lead-free solder pre-heat pre-heat time peak temperature soldering time condition 120 ~ 150c 120 sec. max. 240c max. 10 sec. max. refer to temperature - profile 1 . 180 ~ 200c 120 sec. max. 260c max. 10 sec. max. refer to temperature - profile 2 . (n 2 reflow is recommended.) temperature soldering time 350c max. 3 sec. max. (one time only) after reflow soldering rapid cooling should be avoided. [temperature-profile (surface of circuit board) ] use the conditions shown to the under figure. [recommended soldering pad design] use the following conditions shown in the figure. occasionally there is a brightness decrease caused by the influence of heat or ambient atmosphere during air reflow. it is recommended that the user use the nitrogen reflow method. repairing should not be done after the leds have been soldered. when repairing is unavoidable, a double-head soldering iron should be used. it s hould be confirmed beforehand whether the characteristics of the leds will or will not be damaged by repairing. reflow soldering should not be done more than two times. when soldering, do not put stress on the leds during heating. after soldering, do not warp the circuit board. (5) cleaning it is recommended that isopropyl alcohol be used as a solvent for cleaning the leds. when using other solvents, it should be confirmed beforehand whether the solvents will dissolve the package and the resin or not. freon solvents should not be used to clean the leds because of worldwide regulations. do not clean the leds by the ultrasonic. when it is absolutely necessary, the influence of ultrasonic cleaning on the leds depends on factors such as ultrasonic power and the assembled condition. before cleaning, a pre-test should be done to confirm whether any damage to the leds will occur. 60sec.max. above 220 c 120sec.max. pre-heating 260c max. 10sec. max. 1~ 5c / sec. 1~ 5c / sec. 180 ~ 200c < 1 : lead solder> < 2 : lead-free solder> (unit : mm) 60sec.max. above 200 c 120sec.max. pre-heating 240c max. 10sec. max. 2.5 ~ 5c / sec. 2.5 ~ 5c / sec. 120 ~ 150c 1.5 2.1 1.5 0.85
-6- nichia stse-cc4017b (6) static electricity static electricity or surge voltage damages the leds. it is recommended that a wrist band or an anti-electrostatic glove be used when handling the leds. all devices, equipment and machinery must be properly grounded. it is recommended that measures be taken against surge voltage to the equipment that mounts the leds. when inspecting the final products in which leds were assembled, it is recommended to check whether the assembled leds are damaged by static electricity or not. it is easy to find static-damaged leds by a light-on test or a vf test at a lower current (below 1ma is recommended). damaged leds will show some unusual characteristics such as the leak current remarkably increases, the forward voltage becomes lower, or the leds do not light at the low current. criteria : (v f > 2.0v at i f =0.5ma) (7) others care must be taken to ensure that the reverse voltage will not exceed the absolute maximum rating when using the leds with matrix drive. the led light output is strong enough to injure human eyes. precautions must be taken to prevent looking directly at the leds with unaided eyes for more than a few seconds. flashing lights have been known to cause discomfort in people; you can prevent this by taking precautions during use. also, people should be cautious when using equipment that has had leds incorporated into it. the leds described in this brochure are intended to be used for ordinary electronic equipment (such as office equipment, communications equipment, measurement instruments and household appliances). consult nichia?s sales staff in advance for information on the applications in which exceptional quality and reliability are required, particularly when the failure or malfunction of the leds may directly jeopardize life or health (such as for airplanes, aerospace, submersible repeaters, nuclear reactor control systems, automobiles, traffic control equipment, life support systems and safety devices). user shall not reverse engineer by disassembling or analysis of the leds without having prior written consent from nichia. when defective leds are found, the user shall inform nichia directly before disassembling or analysis. the formal specifications must be exchanged and signed by both parties before large volume purchase begins. the appearance and specifications of the product may be modified for improvement without notice.
ici chromaticity diagram 0 x y 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 480 620 550 540 530 520 580 570 560 600 610 590 630 470 460 490 510 500 a3 b5 b6 b7 b8 nichia stse-cc4017b -7- ! color coordinates measurem ent allowance is 0.01.
2.0 1.0 0.5 0.2 200 100 50 20 10 5 1 0 204060 100120 80 020 6080100 40 -40 -20 0 20 60 80 100 40 -40 -20 5.4 4.6 4.2 3.4 3.0 2.6 3.8 5.0 4.0 3.0 2.5 1.5 1.0 0.5 0 2.0 3.5 2.5 3.0 3.5 4.0 5.0 5.5 4.5 allowable forward current i f (ma) relative luminosity (a.u.) relative luminosity (a.u.) forward current i fp (ma) allowable forward current i fp (ma) se-cc4017b -8- model nssw020a nichia corporation title no. 040325424941 characteristics
ta=25c i fp =20ma 0 30 0.5 90 60 1.0 0 10 20 30 40 50 60 70 80 90 350 450 550 750 650 1.2 1.0 0.8 0.4 0.2 0 0.6 1ma 20ma 50ma 100ma 5ma -30c 0c 25c 50c 85c 1.0 0.5 0 0.29 0.30 0.31 0.32 0.33 0.34 0.35 0.33 0.30 0.34 0.32 0.31 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.34 0.33 0.31 0.30 0.32 x x y y relative emission intensity (a.u.) relative luminosity (a.u.) ! " ambient temperature vs. chromaticity coordinate ! " directivity ! " spectrum ! " forward current vs. chromaticity coordinate radiation angle x y wavelength
item materials package heat-resistant polymer encapsulating resin silicone resin (with diffused + yag phosphor) electrodes ag plating copper alloy (note) the led may have flash/flange which exceeds the tolerance of this print. uni t mm allow nichia corporation n o. outline dimensions 040331424961 title model n ssw020a 0.1 scal e 15/1 -10- nichia stse-cc4017b 1.2 0.73 3.4 anode (0.05) cathode 0.68 0.38 0.3 0.45 1.2 0.73 a k (1.9) 2.3 (3.6) 3.8 (0.45) cathode mark c 0.12 0.6 -0.1 +0.13
taping is based on the jis c 0806 : packaging of electronic components on continuous tapes. 5,000pcs/reel white led type NSSW020AT lot xxxxxx- ! ! qty pcs label pull direction reel lead min.40mm (no leds) leds mounting part no leds no leds reel end of tape reel part cathode mark taping part 1.75 0.1 2 0.05 5.5 0.05 1.35 0.1 4 0.1 0.72 0.1 0.25 0.05 -0 1 0.1 12 +0.3 -0.1 4 0.1 4 0.1 1.5 +0.1 top cover tape embossed carrier tape reel lead min.400mm reel lead min.320mm (no leds is more than 40) 17.5 1 13.5 0.5 1 3 0 . 2 2 1 0 . 8 180 + 0 -3 60 +1 -0 nichia stse-cc4017b -11- unit mm nichia corporation n o. taping dimensions 040312424261 title model n ssw020at allow scale
the reel and moisture absorbent material are put in the moisture proof foil bag and then heat sealed. label packing unit reel/bag quantity/bag (pcs) moisture proof foil bag 1reel 5,000 max. cardboard box dimensions (mm) reel/box quantity/box (pcs) cardboard box s 270 ! 280 ! 100 ! 4t 4reel max. 20,000 max. cardboard box m 270 ! 280 ! 200 ! 4t 10reel max. 50,000 max. cardboard box l 270 ! 280 ! 300 ! 4t 16reel max. 80,000 max. seal moisture proof foil bag n ichia led reel white led type NSSW020AT lot xxxxxx- ! " qty pcs nichia corporation 491 oka, kaminaka, anan, tokushima, japan n ichia white led type NSSW020AT rank ! " qty pcs nichia corporation 491 oka, kaminaka, anan, tokushima, japan n ichia empty space in the box is filled with cushion material. moisture absorbent material label -12- nichia corporation n o. packing 040312424271 title model NSSW020AT n ichia stse-cc4017b


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