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No. STSE-CG7146A
SPECIFICATIONS FOR NICHIA GREEN LED
MODEL : NSPG520AS
NICHIA CORPORATION
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Nichia STSE-CG7146A
1.SPECIFICATIONS
(1) Absolute Maximum Ratings Item Forward Current Pulse Forward Current Reverse Voltage Power Dissipation Operating Temperature Storage Temperature Soldering Temperature Symbol IF IFP VR PD Topr Tstg Tsld Absolute Maximum Rating 35 110 5 123 -30 ~ + 85 -40 ~ +100 265C for 10sec. (Ta=25C) Unit mA mA V mW C C
IFP Conditions : Pulse Width < 10msec. and Duty < 1/10 = =
(2) Initial Electrical/Optical Characteristics Item Symbol Forward Voltage VF Reverse Current IR Luminous Intensity Iv x Chromaticity Coordinate y Please refer to CIE 1931 chromaticity diagram.
Condition IF=20[mA] VR= 5[V] IF=20[mA] IF=20[mA] IF=20[mA]
Typ. (3.2) (6500) 0.170 0.700
(Ta=25C) Max. Unit 3.5 V 50 A mcd -
(3) Ranking Item Luminous Intensity Rank V Rank U Rank T Symbol Iv Iv Iv Condition IF=20[mA] IF=20[mA] IF=20[mA] Min. 6640 4600 3320
(Ta=25C) Max. Unit 9200 mcd 6640 mcd 4600 mcd
Luminous Intensity Measurement allowance is 10%.
Color Ranks x y 0.14 0.64 Rank G 0.14 0.22 0.74 0.74 0.22 0.64 x y 0.21 0.65
(IF=20mA,Ta=25C) Rank H 0.21 0.28 0.28 0.73 0.73 0.65
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.
2.INITIAL OPTICAL/ELECTRICAL CHARACTERISTICS
Please refer to figure's page.
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Nichia STSE-CG7146A
3.OUTLINE DIMENSIONS AND MATERIALS
Please refer to figure's page. Material as follows ; Resin(Mold) : Leadframe : Epoxy Resin Ag plating Copper Alloy
4.PACKAGING
* The LEDs are packed in cardboard boxes after packaging in anti-electrostatic bags. 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 ( 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 Intensity
B for Nov. )
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Nichia STSE-CG7146A
6.RELIABILITY
(1) TEST ITEMS AND RESULTS
Test Item Resistance to Soldering Heat Solderability Temperature Cycle Moisture Resistance Cyclic Terminal Strength (bending test) Terminal Strength (pull test) High Temperature Storage Temperature Humidity Storage Low Temperature Storage Steady State Operating Life Steady State Operating Life of High Humidity Heat Steady State Operating Life of Low Temperature Standard Test Method JEITA ED-4701 300 302 JEITA ED-4701 300 303 JEITA ED-4701 100 105 JEITA ED-4701 200 203 JEITA ED-4701 400 401 JEITA ED-4701 400 401 JEITA ED-4701 200 201 JEITA ED-4701 100 103 JEITA ED-4701 200 202 Test Conditions Tsld=260 5C, 10sec. 3mm from the base of the epoxy bulb Tsld=235 5C, (using flux) 5sec. Note 1 time 1 time over 95% 100 cycles 10 cycles No noticeable damage No noticeable damage 1000hrs. 1000hrs. 1000hrs. 1000hrs. 500hrs. 1000hrs. Number of Damaged 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
-40C ~ 25C ~ 100C ~ 25C 30min. 5min. 30min. 5min. 25C ~ 65C ~ -10C 90%RH 24hrs./1cycle Load 5N (0.5kgf) 0 ~ 90 ~ 0 bend 2 times Load 10N (1kgf) 10 1 sec. Ta=100C Ta=60C, RH=90% Ta=-40C Ta=25C, IF=35mA 60C, RH=90%, IF=20mA Ta=-30C, IF=20mA
(2) CRITERIA FOR JUDGING DAMAGE Item Symbol Test Conditions Forward Voltage VF IF=20mA U.S.L.*) Reverse Current IR VR=5V U.S.L.*) Luminous Intensity IV IF=20mA L.S.L.**) 0.7 *) U.S.L. : Upper Standard Level **) L.S.L. : Lower Standard Level Criteria for Judgement Min. Max. 1.1 2.0
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Nichia STSE-CG7146A
7.CAUTIONS
(1) Lead Forming * When forming leads, the leads should be bent at a point at least 3mm from the base of the epoxy bulb. Do not use the base of the leadframe as a fulcrum during lead forming. * Lead forming should be done before soldering. * Do not apply any bending stress to the base of the lead. The stress to the base may damage the LED's characteristics or it may break the LEDs. * When mounting the LEDs onto a printed circuit board, the holes on the circuit board should be exactly aligned with the leads of the LEDs. If the LEDs are mounted with stress at the leads, it causes deterioration of the epoxy resin and this will degrade the LEDs. (2) Storage * The LEDs should be stored at 30C or less and 70%RH or less after being shipped from Nichia and the storage life limits are 3 months. If the LEDs are stored for 3 months or more, they can be stored for a year in a sealed container with a nitrogen atmosphere and moisture absorbent material. * Nichia LED leadframes are silver plated copper alloy. The silver surface may be affected by environments which contain corrosive substances. Please avoid conditions which may cause the LED to corrode, tarnish or discolor. This corrosion or discoloration may cause difficulty during soldering operations. It is recommended that the LEDs be used as soon as possible. * Please avoid rapid transitions in ambient temperature, especially, in high humidity environments where condensation can occur. (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 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 : (VF > 2.0V at IF=0.5mA)
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Nichia STSE-CG7146A (4) Soldering Conditions * Nichia LED leadframes are silver plated copper alloy. This substance has a low thermal coefficient (easily conducts heat). Careful attention should be paid during soldering. * Solder the LED no closer than 3mm from the base of the epoxy bulb. Soldering beyond the base of the tie bar is recommended. * Recommended soldering conditions
Pre-Heat Pre-Heat Time Solder Bath Temperature Dipping Time Dipping Position Dip Soldering 120C Max. 60 seconds Max. 260C Max. 10 seconds Max. No lower than 3 mm from the base of the epoxy bulb. Hand Soldering 350C Max. Temperature 3 seconds Max. Soldering Time No closer than 3 mm from the Position base of the epoxy bulb.
* Although the recommended soldering conditions are specified in the above table, dip 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. * Dip soldering should not be done more than one time. * Hand soldering should not be done more than one time. * Do not apply any stress to the lead particularly when heated. * The LEDs must not be repositioned after soldering. * After soldering the LEDs, the epoxy bulb should be protected from mechanical shock or vibration until the LEDs return to room temperature. * Direct soldering onto a PC board should be avoided. Mechanical stress to the resin may be caused from warping of the PC board or from the clinching and cutting of the leadframes. When it is absolutely necessary, the LEDs may be mounted in this fashion but the User will assume responsibility for any problems. Direct soldering should only be done after testing has confirmed that no damage, such as wire bond failure or resin deterioration, will occur. Nichia's LEDs should not be soldered directly to double sided PC boards because the heat will deteriorate the epoxy resin. * When it is necessary to clamp the LEDs to prevent soldering failure, it is important to minimize the mechanical stress on the LEDs. * Cut the LED leadframes at room temperature. Cutting the leadframes at high temperatures may cause failure of the LEDs. (5) 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 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. * The operating current should be decided after considering the ambient maximum temperature of LEDs. (6) 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 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.
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Nichia STSE-CG7146A (7) Safety Guideline for Human Eyes * In 1993, the International Electric Committee (IEC) issued a standard concerning laser product safety (IEC 825-1). Since then, this standard has been applied for diffused light sources (LEDs) as well as lasers. In 1998 IEC 60825-1 Edition 1.1 evaluated the magnitude of the light source. In 2001 IEC 60825-1 Amendment 2 converted the laser class into 7 classes for end products. Components are excluded from this system. Products which contain visible LEDs are now classified as class 1. Products containing UV LEDs are class 1M. Products containing LEDs can be classified as class 2 in cases where viewing angles are narrow, optical manipulation intensifies the light, and/or the energy emitted is high. For these systems it is recommended to avoid long term exposure. It is also recommended to follow the IEC regulations regarding safety and labeling of products. (8) Others * NSPG520AS complies with RoHS Directive. * Care must be taken to ensure that the reverse voltage will not exceed the absolute maximum rating when using the LEDs with matrix drive. * 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 STSE-CG7146A
ICI Chromaticity Diagram
0.9
520 530
0.8
510
0.7
540
G
H
550 560
0.6
570 500
0.5
580 590
y
0.4
600 610 620 630
0.3
490
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
200 100 50 20 10 5 Ta=25C Relative Luminosity (a.u.) Forward Current IFP (mA)
Forward Current vs. Relative Luminosity
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0 20 40 60 80 100 120 Forward Current IFP (mA) Ta=25C Allowable Forward Current IFP (mA)
Duty Ratio vs. Allowable Forward Current
200 Ta=25C 110
50 35 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
4.8 Relative Luminosity (a.u.) Forward Voltage VF (V) 4.4 4.0 3.6 3.2 2.8 2.4 2.0 -40 -20 0 20 40 60 80 100 Ambient Temperature Ta (C) IFP=60mA IFP=20mA IFP=5mA
Ambient Temperature vs. Relative Luminosity
2.0 IFP=20mA 1.0 Allowable Forward Current IF (mA)
Ambient Temperature vs. Allowable Forward Current
40 30 20 10 8.5 0 0 20 40 60 80 100 Ambient Temperature Ta (C)
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0.5
0.2 -40 -20 0 20 40 60 80 100 Ambient Temperature Ta (C)
Nichia STSE-CG7146A
Model
NSPGxxxx
NICHIA CORPORATION
Title No.
CHARACTERISTICS
070524761922
Forward Current vs. Chromaticity Coordinate (D)
Relative Emission Intensity (a.u.)
Spectrum
1.2 1.0 0.8 0.6 0.4 0.2 0 400 450 500 550 600 650 700 Wavelength (nm) Ta=25C IF=20mA
0.85 Ta=25C 0.80 0.75
5mA 20mA (529nm) (525nm) 50mA (521nm) 1mA (533nm) 110mA (517nm)
y
0.70 0.65
0.60 0.05 0.10 0.15 0.20 0.25 0.30
x Forward Current vs. Dominant Wavelength
Dominant Wavelength D (nm) Dominant Wavelength D (nm)
Ambient Temperature vs. Dominant Wavelength
540 535 530 525 520 515 510 -40 -20 0 20 40 60 80 100 Ambient Temperature Ta (C) IFP=20mA
Relative Luminosity (a.u.)
Directivity
1.0 Ta=25C IFP=20mA 0 10 20 30 40 50 0.5 60 70 80 0 90 60 30 Radiation Angle 0 0.5 90 1.0
540 535 530 525 520 515 510 1 5 10 20 50 110 200 Forward Current IFP (mA) Ta=25C
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Nichia STSE-CG7146A
Model
NSPG520AS
NICHIA CORPORATION
Title No.
CHARACTERISTICS
070703768281
Cathode (2.5)
0.5 0.05
Anode
1.5MAX. 1.1
5
5.3
Stopper
1 5.6
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6.6 7.6
0.3 0.3
11.3 0.5 (2) 27.8 1
1
ITEM RESIN(MOLD) LEAD FRAME
MATERIALS Epoxy Resin Ag Plating Copper Alloy Nichia STSE-CG7146A
Remark: Please note that the bare copper alloy showing at the cut end of the lead frame may be corroded under certain conditions. LEDs have some sharp edges and points, particularly lead frames. Please handle with care so as to avoid injuries.
Model
NSPG520AS
Unit mm 3/1 Scale Allow 0.2
NICHIA CORPORATION
Title No.
OUTLINE DIMENSIONS
070703768301
Print
Cardboard
TYPE
NICHIA
XXXX LED
NxPxxxxxx xxxxxxpcs
RoHS
NICHIA CORPORATION
491OKA,KAMINAKA,ANAN,TOKUSHIMA,JAPAN
Anti-electrostatic bag
LOT QTY
CAUTION TO ELECTROSTATIC DAMAGE
The quantity is printed on this bag.
Label
NICHIA
Cardboard
XXXX LED
TYPE LOT QTY NxPxxxxxx xxxxxxPCS RoHS
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NICHIA CORPORATION
491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN
Nichia STSE-CG7146A
Cardboard box 360 135 215 4t
One box contains 8 bags at maximum.
Model
NxPxxxxxx
NICHIA CORPORATION
Title No.
PACKING
070508659112
Cardboard
Print
Anti-electrostatic bag
NICHIA
XXXX LED
TYPE LOT QTY NxPxxxxxx xxxxxxpcs
RoHS
NICHIA CORPORATION
The quantity is printed on this bag.
491OKA,KAMINAKA,ANAN,TOKUSHIMA,JAPAN
CAUTION TO ELECTROSTATIC DAMAGE
Cardboard box A
Label
NICHIA
XXXX LED
TYPE LOT QTY NxPxxxxxx xxxxxxPCS RoHS
-12Cardboard Cardboard box B 360 135 215 4t
The cardboard box B contains 2 cardboard box A at maximum.
NICHIA CORPORATION
491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN
Put this label on the cardboard box B.
Nichia STSE-CG7146A
Model
NxPxxxxxx
NICHIA CORPORATION
Title No.
PACKING
070508659122
Cardboard Anti-electrostatic bag
Print
NICHIA
XXXX LED
TYPE LOT QTY NxPxxxxxx xxxxxxpcs
RoHS
NICHIA CORPORATION
491OKA,KAMINAKA,ANAN,TOKUSHIMA,JAPAN
The quantity is printed on this bag.
CAUTION TO ELECTROSTATIC DAMAGE
Label
-13One box contains 20 bags at maximum.
Cardboard
TYPE LOT QTY
NICHIA
XXXX LED
NxPxxxxxx xxxxxxPCS RoHS
NICHIA CORPORATION
491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN
Cardboard box 425 135 355 4t
Nichia STSE-CG7146A
Model
NxPxxxxxx
NICHIA CORPORATION
Title No.
PACKING
070508659132
Cardboard
Print
NICHIA
XXXX LED
Anti-electrostatic bag
TYPE LOT QTY NxPxxxxxx xxxxxxpcs
RoHS
NICHIA CORPORATION
491OKA,KAMINAKA,ANAN,TOKUSHIMA,JAPAN
The quantity is printed on this bag.
Cardboard box A
CAUTION TO ELECTROSTATIC DAMAGE
Label
NICHIA
XXXX LED
-14Cardboard
TYPE LOT QTY
NxPxxxxxx xxxxxxPCS
RoHS
NICHIA CORPORATION
491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN
Put this label on the cardboard box B.
Nichia STSE-CG7146A
Cardboard box B 425 135 355 4t
Model
NxPxxxxxx
NICHIA CORPORATION
The cardboard box B contains 4 cardboard box A at maximum.
Title No.
PACKING
070508659142

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