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Nichia STS-DA1-0037
SPECIFICATIONS FOR NICHIA CHIP TYPE WHITE LED
MODEL : NS2W095AT
NICHIA CORPORATION
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Nichia STS-DA1-0037
1.SPECIFICATIONS
(1) Absolute Maximum Ratings Item Forward Current Pulse Forward Current Allowable Reverse Current Power Dissipation Operating Temperature Storage Temperature Dice Temperature Soldering Temperature Symbol IF IFP IR PD Topr Tstg Tj Tsld Absolute Maximum Rating 120 200 85 480 -30 ~ + 85 -40 ~ +100 130 Reflow Soldering : 260C Hand Soldering : 350C (Ts=25C) Unit mA mA mA mW C C C for 10sec. for 3sec.
IFP Conditions : Pulse Width < 10msec. and Duty < 1/10 = =
(2) Initial Electrical/Optical Characteristics Item Symbol Forward Voltage VF Luminous Flux v x Chromaticity Coordinate y Please refer to CIE 1931 chromaticity diagram.
Condition IF=60[mA] IF=60[mA] IF=60[mA] IF=60[mA]
Typ. (3.4) (15.0) 0.344 0.355
(Ts=25C) Max. Unit 4.0 V lm -
(3) Ranking Item Luminous Flux Rank P7 Rank P6 Rank P5 Rank P4 Symbol v Condition IF=60[mA] Min. 15.1 12.7 10.7 9.0
(Ts=25C) Max. Unit 18.0 15.1 lm 12.7 10.7
Luminous Flux Measurement allowance is 7%.
Color Ranks x y x y x y 0.280 0.248 0.287 0.295 0.296 0.276 Rank a0 0.264 0.283 0.267 0.305 Rank b3 0.283 0.304 0.305 0.330 Rank b5 0.287 0.307 0.295 0.315 0.296 0.276 0.307 0.315 0.311 0.294 x y x y 0.307 0.315 0.311 0.294
(IF=60mA,Ts=25C)
Rank b4 0.304 0.330 0.330 0.360 Rank b6 0.307 0.330 0.315 0.339
0.330 0.339 0.330 0.318
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Nichia STS-DA1-0037 Rank c1 0.330 0.361 0.360 0.385 Rank c2 0.330 0.357 0.339 0.361
x y
0.330 0.339
0.357 0.361
x y
0.330 0.318
0.356 0.351
Color Coordinates Measurement allowance is 0.01. Basically, a shipment shall consist of the LEDs of a combination of the above ranks. The percentage of each rank in the shipment shall be determined by Nichia.
Correspondence table of Color Coordinates - Luminous Flux ranks
Ranking by Luminous Flux Ranking by Color Coordinates
P4
P5
P6
P7
a0 b3, b4, b5, b6 c1, c2
Shaded ranks are available.
Chromaticity Coordinate - Luminous Flux (Reference) Ranking by Color Coordinates Chromaticity Coordinate Luminous Flux a0 (0.281,0.274) (14.0)lm b3, b4, b5, b6 (0.31,0.32) (14.5)lm c1, c2 (0.344,0.355) (15.0)lm
2.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 Encapsulating Resin Electrodes : : : Ceramics Silicone Resin (with Phosphor) Ag Plating
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.
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Nichia STS-DA1-0037
5.LOT NUMBER
The first six digits number shows lot number. The lot number is composed of the following characters; - Year ( 6 for 2006, 7 for 2007 ) - Month ( 1 for Jan., 9 for Sep., A for Oct., - Nichia's Product Number - Ranking by Color Coordinates - Ranking by Luminous Flux
B for Nov. )
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Nichia STS-DA1-0037
6.RELIABILITY
(1) TEST ITEMS AND RESULTS
Test Item Resistance to Soldering Heat (Reflow Soldering) Solderability (Reflow Soldering) Temperature Cycle Moisture Resistance Cyclic High Temperature Storage Temperature Humidity Storage Low Temperature Storage Steady State Operating Life Steady State Operating Life of High Temperature Steady State Operating Life of High Humidity Heat Steady State Operating Life of Low Temperature Vibration JEITA ED-4701 400 403 Standard Test Method JEITA ED-4701 300 301 JEITA ED-4701 300 303 JEITA ED-4701 100 105 JEITA ED-4701 200 203 JEITA ED-4701 200 201 JEITA ED-4701 100 103 JEITA ED-4701 200 202 Test Conditions Tsld=260C, 10sec. (Pre treatment 30C,70%,168hrs.) Tsld=215 5C, (Lead Solder) 3sec. Note 2 times Number of Damaged 0/22
1 time over 95% 100 cycles 10 cycles 1000 hrs. 1000 hrs. 1000 hrs. 1000 hrs. 1000 hrs. 500 hrs. 1000 hrs. 48min.
0/22 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/10
-40C ~ 25C ~ 100C ~ 25C 30min. 5min. 30min. 5min. 25C ~ 65C ~ -10C 90%RH 24hrs./1cycle Ta=100C Ta=60C, RH=90% Ta=-40C Ta=25C, IF=120mA
Tested with Nichia standard circuit board.
Ta=85C, IF=110mA
Tested with Nichia standard circuit board.
60C, RH=90%, IF=120mA
Tested with Nichia standard circuit board.
Ta=-30C, IF=60mA
Tested with Nichia standard circuit board.
100 ~ 2000 ~ 100Hz Sweep 4min. 200m/s2 3directions, 4cycles
Thermal resistance of LED with Nichia standard circuit board : Rja 110C/W Nichia standard circuit board : FR4, t=1.6mm, Copper foil, t=0.07mm (2) CRITERIA FOR JUDGING DAMAGE Item Symbol Test Conditions Forward Voltage VF IF=60mA Initial Level Luminous Flux v IF=60mA Initial Level 0.7 The test is performed after the board is cooled down to the room temperature. Criteria for Judgement Min. Max.
1.1
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Nichia STS-DA1-0037
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 the optical characteristics of the LEDs. For this reason, the 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. A package of a moisture absorbent material (silica gel) is inserted into the aluminium 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 the 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 condition. Baking treatment : more than 24 hours at 65 5C * This product has silver plated metal parts that are inside and/or outside the package body. The silver plating becomes tarnished when being exposed to an environment which contains corrosive gases. Any LED with tarnished leads may lead to poor solderability and deterioration of optical characteristics. Please do not expose the LEDs to corrosive atmosphere during storage. * After assembly and during use, silver plating can be affected by the corrosive gases emitted by components and materials in close proximity of the LEDs within an end product, and the gases entering into the product from the external atmosphere. The above should be taken into consideration when designing. * Please avoid rapid transitions in ambient temperature, especially in high humidity environments where condensation can occur.
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Nichia STS-DA1-0037 (3) 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 precautions 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 2mA is recommended). * Damaged LEDs will show some unusual characteristics such as the forward voltage becomes lower, or the LEDs do not light at the low current. Criteria : (VF > 2.0V at IF=1mA)
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Nichia STS-DA1-0037
(4) Application Design Considerations * In designing a circuit, the current through each LED must not exceed its absolute maximum rating. It is recommended to use Circuit B which regulates the current flowing through each LED. In the meanwhile, when driving LEDs with a constant voltage in Circuit A, the current through the LEDs may vary due to the variation in forward voltage (VF) of the LEDs. In the worst case, some LED may be subjected to stresses in excess of the absolute maximum rating.
(A) (B)
...
* 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 resistance 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. * Please determine the operating current with consideration of the ambient temperature local to the LED and refer to the plot of Ambient temperature vs. Allowable Forward Current on CHARACTERISTICS in this specifications. Please also take measures to remove heat from the area near the LED to improve the operational characteristics of the LED. * The equation 1 indicates correlation between Tj and Ta, and the equation 2 indicates correlation between Tj and Ts. Tj=Ta + Rja W 1 Tj=Ts + Rjs W 2 Tj = Dice Temperature : C, Ta = Ambient Temperature : C, Ts = Solder Temperature (Cathode Side) : C, Rja = Heat resistance from Dice to Ambient temperature : C /W, Rjs = Heat resistance from Dice to Ts measuring point 55C /W, W = Inputting Power (IF VF) : W
...
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Nichia STS-DA1-0037-1 * Warpage of circuit board with soldered LEDs may result in damage or package breakage of the LEDs. Please pay special attention to the orientation of the LEDs as to avoid LED failure caused by bow, twist and warpage of the board. Non-preferable Preferable
Cathode mark
Cathode mark
When mechanical stress from the board affects the soldered LED, place the LED in the preferable location and orientation as shown above. * Depending on the position and direction of LED, the mechanical stress on the LED package can be changed. Refer to the following figure.
E
Perforated line
A
C
D B
Slit Stress : A > B = C > D > E * When separating the circuit boards with soldered LEDs, please use appropriate tools and equipment. Hand brake without these tools and equipment may not be used. * The use of aluminum substrate increases stress to solder joints due to thermal expansion of substrate and subsequently may result in solder joint crack. Users may need to evaluate their specific application to determine any impact due to the use of aluminum substrate.
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Nichia STS-DA1-0037-1 (5) Handling Precautions * Bare Hand When handling the product, touching encapsulant with bare hands will contaminate its surface that could affects on optical characteristics. In the worst cases, excessive force to the encapsulant by hands might result in catastrophic failure of the LEDs due to wire deformation and/or breakage.
* Tweezers When handling it with tweezers, the product should only be held by the package body, on the short side. Failure to comply might result in chip-out and/or delamination of encapsulant, and in the worst cases, catastrophic failure of the LEDs due to wire deformation and/or breakage.
* Pick and Place Recommended conditions :
Area of outer nozzle 1.5 mm2 (more than 45% of encapsulant top surface)** Contact area of nozzle with encapsulant 1.0 mm2 (30 to 60% of encapsulant top surface)** Placement pressure 3N/mm2 *max. force : 5N Vacuum pressure 7.8N/ cm2 ( 0.8 kgf/cm2) **For reference.
Failure to comply might result in damage to encapsulant and in the worst cases, catastrophic failure of the LEDs due to wire deformation and/or breakage.
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Nichia STS-DA1-0037 * Printed Circuit Board Assembled (PCB with LEDs soldered) Do not stack assembled PCBs together. Since silicone is a soft material, abrasion between two PCB assembled with silicone encapsulated LED might cause catastrophic failure of the LEDs due to damage to encapsulant (such as scratch, chip-out and delamination) and wire (such as deformation and breakage) and LED detachment.
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Nichia STS-DA1-0037 (6) 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 Lead Solder Pre-heat Pre-heat time Peak temperature Soldering time Condition 10 sec. Max. refer to Temperature - profile 1. 10 sec. Max. refer to Temperature - profile 2. (N2 reflow is recommended.) 120 ~ 150C 120 sec. Max. 240C Max. Lead-free Solder 180 ~ 200C 120 sec. Max. 260C Max. Temperature Soldering time 350C Max. 3 sec. Max. (one time only) Hand Soldering
Although the recommended soldering conditions are specified in the above table, reflow or hand soldering at the lowest possible temperature is desirable for the LEDs. A rapid-rate process is not recommended for cooling the LEDs down from the peak temperature. Use the conditions shown to the under figure. [Temperature-profile (Surface of circuit board)]
<1 : Lead Solder>
2.5 ~ 5C / sec. Pre-heating 120 ~ 150C 60sec.Max.
Above 200C
<2 : Lead-free Solder>
240C Max. 10sec. Max. 1 ~ 5C / sec. 1 ~ 5C / sec. Pre-heating 180 ~ 200C 60sec.Max.
Above 220C
260C Max. 10sec. Max.
2.5 ~ 5C / sec.
120sec.Max.
120sec.Max.
[Recommended soldering pad design]
0.8 1.5
Use the following conditions shown in the figure.
3.4
(Unit : mm)
* 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 should 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.
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Nichia STS-DA1-0037 (7) 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. (8) Others * NS2W095A complies with RoHS Directive. * 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.
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Nichia STS-DA1-0037
ICI Chromaticity Diagram
0.9 520 530 0.8 540 510 0.7 550
560 0.6 570 500 0.5 580 590 0.4 b4 b3 0.3 490 a0 b5 c2 b6
y
c1
600 610 620 630
0.2
480 0.1 470 460
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
x
Color Coordinates Measurement allowance is 0.01.
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Forward Voltage vs. Forward Current
Ta=25C Relative Luminous Flux (a.u.) Forward Current IFP (mA) 300 200 100 60 20 10 5
Forward Current vs. Relative Luminous Flux
Allowable Forward Current IFP (mA) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0 50 100 150 200 250 Forward Current IFP (mA) Ta=25C
Duty Ratio vs. Allowable Forward Current
300 200 120 Ta=25C 50
20 10 1
1 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Forward Voltage VF (V)
5 10 20 50 100 Duty Ratio (%)
Ambient Temperature vs. Forward Voltage
IFP=60mA Relative Luminous Flux (a.u.) 5.0 Forward Voltage VF (V)
Ambient Temperature vs. Relative Luminous Flux
2.0 IFP=60mA 1.0 Allowable Forward Current IF (mA)
Ambient Temperature vs. Allowable Forward Current
200 150 120 110
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4.5 4.0 3.5 3.0 2.5
0.5
50 0 0
Thermal resistance Rja=110C/W
2.0 -40 -20 0 20 40 60 80 100 Ambient Temperature Ta (C)
0.2 -40 -20 0 20 40 60 80 100 Ambient Temperature Ta (C)
20 40 60 80 100 Ambient Temperature Ta (C)
Nichia STS-DA1-0037
Model
NS2W095A
NICHIA CORPORATION
Title No.
CHARACTERISTICS
071016701641
Forward Current vs. Chromaticity Coordinate
Ta=25C 0.37 0.36
Relative Emission Intensity (a.u.)
Spectrum
1.2 1.0 0.8 0.6 0.4 0.2 0 350 450 550 650 Wavelength (nm) 750 Ta=25C IF=60mA
0.38
1mA 5mA
y
60mA
0.35 0.34
100mA 200mA
0.33 0.32 0.33 0.34 0.35 0.36 0.37
x Ambient Temperature vs. Chromaticity Coordinate
0.38 IFP=60mA 0.37 0.36
-30C 0C 25C 50C 85C
Directivity
1.0
Relative Illuminance (a.u.)
0
Y
10 20 30 40 50
Y X X
y
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0.5 Ta=25C IFP=60mA X-X Y-Y 0 90 60 30 Radiation Angle 0 0.5
60 70 80 90 1.0
0.35 0.34
0.33 0.32 0.33 0.34 0.35 0.36 0.37
x
Nichia STS-DA1-0037
Model
NS2W095A
NICHIA CORPORATION
Title No.
CHARACTERISTICS
071016701651
3 2.3 1.5
0.15 0.6 1
2.8 0.8 1.3 Cathode
Cathode mark
Anode
0.85
A
0.45
K
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Protection device
ITEM PACKAGE ENCAPSULATING RESIN ELECTRODES MATERIALS Ceramics Silicone Resin (with Phosphor) Ag Plating Nichia STS-DA1-0037
Model
NS2W095A
Unit mm 10/1 Scale Allow 0.1
NICHIA CORPORATION
Title No.
OUTLINE DIMENSIONS
070903770431
1.5+0.1 -0
40.1
1.750.1
Taping part
20.05
Reel part
0.20.05
180+0 -3
11.41 90.3
Cathode mark 3.50.05 8+0.3 - 0.1
2
3.20.1
13
0.2
40.1 1+0.2 -0
1.10.1
Label
XXXX LED
TYPE NS2x095AT LOT xxxxxxQTY pcs RoHS
Reel End of tape
No LEDs
1.70.1
LEDs mounting part
No LEDs
60+1 -0
1 0.8
-17Reel Lead Min.160mm (No LEDs)
Reel Lead Min.100mm (No LEDs)
Pull direction
Top cover tape Embossed carrier tape
Reel Lead Min.400mm
Nichia STS-DA1-0037
3,000pcs/Reel
Taping is based on the JIS C 0806 : Packaging of Electronic Components on Continuous Tapes.
Model
NS2x095AT
Unit mm Scale Allow
NICHIA CORPORATION
Title No.
TAPING DIMENSIONS
070905770491
Nichia STS-DA1-0037
The reel and moisture absorbent material are put in the moisture proof foil bag and then heat sealed. Reel Label Seal
NICHIA
XXXX LED
TYPE LOT QTY NS2x095AT xxxxxxPCS RoHS
NICHIA CORPORATION
491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN
Moisture absorbent material
Moisture proof foil bag
The box is partitioned with the cardboard. Label
NICHIA
Nichia
LED
XXXX LED
TYPE RANK QTY NS2x095AT PCS RoHS
NICHIA CORPORATION
491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN
Packing unit
Moisture proof foil bag Cardboard box Cardboard box S Cardboard box M Cardboard box L Reel/bag 1reel Quantity/bag (pcs) 3,000 MAX. Reel/box 7reel MAX. 15reel MAX. 30reel MAX. Quantity/box (pcs) 21,000 MAX. 45,000 MAX. 90,000 MAX.
Dimensions (mm) 291 237 120 8t 259 247 243 5t 444 262 259 8t
Model
NS2x095AT
NICHIA CORPORATION
Title No.
PACKING
070905770511
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