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The World best semiconductor PCL-C6WWCZ33SC KQSP-LL-3209 (Rev. 07) 1 / 20 SPECIFICATION ITEM WARM WHITE TOP VIEW LED MODEL PCL-C6WWCZ33SC CUSTOMER ISSUED DATE S U P P L I E R Drawn by Checked by Approved by / / / C U S T O M E R Approved by Approved by Approved by / / / POWERLIGHTEC Co., LTD. 110-1 Galgot - ri, Jinwy - myun, Pyeongtaek-si, Kyunggi – do, Korea Tel : +82-31-379-5400 Fax : +82-31-378-9759 http : //www.powerlightec.com

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  • The World best semiconductor

    PCL-C6WWCZ33SC KQSP-LL-3209 (Rev. 07)

    1 / 20

    SPECIFICATION

    ITEM WARM WHITE TOP VIEW LED

    MODEL PCL-C6WWCZ33SC

    CUSTOMER

    ISSUED DATE

    S U P P L I E RDrawn by Checked by Approved by

    / / /

    C U S T O M E RApproved by Approved by Approved by

    / / /

    POWERLIGHTEC Co., LTD.110-1 Galgot - ri, Jinwy - myun, Pyeongtaek-si, Kyunggi – do, Korea

    Tel : +82-31-379-5400 Fax : +82-31-378-9759http : //www.powerlightec.com

  • The World best semiconductor

    PCL-C6WWCZ33SC KQSP-LL-3209 (Rev. 07)

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    C O N T E N T S

    1. Revision history

    2. General Description

    3. Electro-Optical Characteristics

    4. Ranks

    5. Composition of Package

    6. Environmental pollution free

    7. Typical Electrical

    / Optical Characteristics Curves

    8. Classification by name

    9. Reliability

    10. Soldering Condition

    11. Reel Packing Structure

    12. Precaution for Use

  • The World best semiconductor

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    Title Specification for Approval

    Doc. No. KQSP-LL-3209

    Rev. No. Date Summary of revision Remarks

    00

    01

    01

    03

    04

    05

    06

    07

    2003.07.

    2004.10.

    2004.12.

    2006.04.

    2007.11

    2008.02

    2008.10

    2009.07.

    New establishment

    New Chromaticity Coordinates ranks

    Appliance Pb free material

    Document registration number change

    Revised All Sheets

    Model name, Outline Dimensions, Ranks

    Model name, Chromaticity Coordinates,

    Precaution for Use

    Chromaticity Coordinates

    1. Revision history

  • The World best semiconductor

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    2. General Description

    • Package Size : 5.4 × 5.0 × 1.6mm • SMD (Top View) type • Very wide viewing angle • Diffusion lens type • Chip material based on InGaN • High luminous Intensity • Long life time • ESD protection (Level 2 under 2KV)

    (2) Outline Dimensions

    (1) Features

    UNIT : mm

  • The World best semiconductor

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    (1) Absolute Maximum Rating

    Parameter Symbol Value Unit

    Forward Current IF 90 ㎃

    Peak Forward Current ♦ IFP 300 ㎃

    Reverse Voltage VR 5 V

    Power Dissipation PD 360 ㎽

    Operating Temperature Topr -40 to +85 ℃

    Storage Temperature Tstg -40 to +100 ℃

    Soldering temperature Tsol Reflow soldering : 260℃, 10 secHand Soldering : 350℃, 3 sec

    (Ta=25℃)

    ♦ Duty Ratio ≤ 1/10, Pulse Width ≤ 10 msec

    (2) Electrical / Optical Characteristics

    Parameter Symbol Condition Min Typ Max Unit

    Forward Voltage VF IF=60㎃ - 3.2 3.6 V

    Reverse Current IR VR=5V - - 10 ㎂

    Luminous Intensity ■ IV IF=60㎃ 3,500 5,000 - mcd

    Viewing Angle ★ 2θ1/2 IF=60㎃ 100 120 140 deg.

    Chromaticity coordinates - IF=60㎃ -X : 0.43Y : 0.42

    -

    ■ Luminous intensity is measured with a light sensor and filter combination that approximatesthe CIE eye-response curve. Please refer to rank table.

    ★ θ1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity.

    (Ta=25℃)

    3. Electro-Optical Characteristics

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    4. Ranks

    (1) Luminous Intensity Ranks

    (2) Forward Voltage Ranks

    ※Measurement Uncertainty of the Luminous Intensity : ± 10%

    VF Rank Condition Min Typ Max Unit

    A

    IF=60㎃

    2.8 - 3.0

    VB 3.0 - 3.2

    C 3.2 - 3.4

    D 3.4 - 3.6

    ※Measurement Uncertainty of the Forward Voltage : ± 0.07V

    (Ta=25℃)

    (Ta=25℃)

    Iv Rank Condition Min Typ Max Unit

    A

    IF=60㎃

    3,500 - 4,000

    mcd

    B 4,000 - 4,500

    C 4,500 - 5,000

    D 5,000 - 5,500

    E 5,500 - 6,000

    F 6,000 - -

  • The World best semiconductor

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    4. Ranks

    (3) Chromaticity Coordinates ranks : IF =60mA (Ta=25℃)

    ※Measurement Uncertainty of the Color Coordinates : ± 0.01

    Rank name Rank table

    D rank( 5,950K ~ 7,500K)

    1X 0.2923 0.2963 0.3047 0.3017

    Y 0.3420 0.3263 0.3346 0.3510

    2X 0.2963 0.3004 0.3077 0.3047

    Y 0.3263 0.3103 0.3179 0.3346

    3X 0.3004 0.3045 0.3108 0.3077

    Y 0.3103 0.2942 0.3010 0.3179

    4X 0.3017 0.3047 0.3131 0.3110

    Y 0.3510 0.3346 0.3425 0.3595

    5X 0.3047 0.3077 0.3151 0.3131

    Y 0.3346 0.3179 0.3252 0.3425

    6X 0.3077 0.3108 0.3173 0.3151

    Y 0.3179 0.3010 0.3077 0.3252

    7X 0.3110 0.3131 0.3220 0.3209

    Y 0.3595 0.3425 0.3505 0.3680

    8X 0.3131 0.3151 0.3231 0.3220

    Y 0.3425 0.3252 0.3327 0.3505

    9X 0.3151 0.3173 0.3242 0.3231

    Y 0.3252 0.3077 0.3145 0.3327

    E rank(4,900K ~ 5,950K)

    1X 0.3209 0.3220 0.3312 0.3312

    Y 0.3680 0.3505 0.3584 0.3763

    2X 0.3220 0.3231 0.3313 0.3312

    Y 0.3505 0.3327 0.3401 0.3584

    3X 0.3231 0.3242 0.3314 0.3313

    Y 0.3327 0.3145 0.3213 0.3401

    4X 0.3312 0.3312 0.3406 0.3415

    Y 0.3763 0.3584 0.3659 0.3841

    5X 0.3312 0.3313 0.3397 0.3406

    Y 0.3584 0.3401 0.3473 0.3659

    6X 0.3313 0.3314 0.3388 0.3397

    Y 0.3401 0.3213 0.3280 0.3473

    7X 0.3415 0.3406 0.3498 0.3515

    Y 0.3841 0.3659 0.3729 0.3912

    8X 0.3406 0.3397 0.3480 0.3498

    Y 0.3659 0.3473 0.3539 0.3729

    9X 0.3397 0.3388 0.3461 0.3480

    Y 0.3473 0.3280 0.3343 0.3539

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    4. Ranks

    (3) Chromaticity Coordinates ranks : IF =60mA (Ta=25℃)

    ※Measurement Uncertainty of the Color Coordinates : ± 0.01

    Rank name Rank table

    E rank(4,100K ~ 4,900K)

    1X 0.3515 0.3498 0.3594 0.3620

    Y 0.3912 0.3729 0.3797 0.3982

    2X 0.3498 0.3480 0.3567 0.3594

    Y 0.3729 0.3539 0.3606 0.3797

    3X 0.3480 0.3461 0.3539 0.3567

    Y 0.3539 0.3343 0.3407 0.3606

    4X 0.3620 0.3594 0.3699 0.3734

    Y 0.3982 0.3797 0.3866 0.4052

    5X 0.3594 0.3567 0.3662 0.3699

    Y 0.3797 0.3606 0.3674 0.3866

    6X 0.3567 0.3539 0.3625 0.3662

    Y 0.3606 0.3407 0.3474 0.3674

    7X 0.3734 0.3699 0.3807 0.3850

    Y 0.4052 0.3866 0.3932 0.4117

    8X 0.3699 0.3662 0.3761 0.3807

    Y 0.3866 0.3674 0.3740 0.3932

    9X 0.3662 0.3625 0.3714 0.3761

    Y 0.3674 0.3474 0.3540 0.3740

    F rank(3,420K ~ 4,900K)

    1X 0.3850 0.3807 0.3927 0.3979

    Y 0.4117 0.3932 0.4000 0.4183

    2X 0.3807 0.3761 0.3873 0.3927

    Y 0.3932 0.3740 0.3809 0.4000

    3X 0.3761 0.3714 0.3816 0.3873

    Y 0.3740 0.3540 0.3609 0.3809

    4X 0.3979 0.3927 0.4045 0.4104

    Y 0.4183 0.4000 0.4059 0.4239

    5X 0.3927 0.3873 0.3983 0.4045

    Y 0.4000 0.3809 0.3871 0.4059

    6X 0.3873 0.3816 0.3917 0.3983

    Y 0.3809 0.3609 0.3673 0.3871

    7X 0.4104 0.4045 0.4168 0.4234

    Y 0.4239 0.4059 0.4114 0.4290

    8X 0.4045 0.3983 0.4096 0.4168

    Y 0.4059 0.3871 0.3928 0.4114

    9X 0.3983 0.3917 0.4025 0.4096

    Y 0.3871 0.3673 0.3735 0.3928

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    4. Ranks

    (3) Chromaticity Coordinates ranks : IF =60mA (Ta=25℃)

    ※Measurement Uncertainty of the Color Coordinates : ± 0.01

    Rank name Rank table

    H rank(2,900K ~ 3,420K)

    1X 0.4234 0.4168 0.4290 0.4362

    Y 0.4290 0.4114 0.4161 0.4333

    2X 0.4168 0.4096 0.4214 0.4290

    Y 0.4114 0.3928 0.3982 0.4161

    3X 0.4096 0.4025 0.4134 0.4214

    Y 0.3928 0.3735 0.3791 0.3982

    4X 0.4362 0.4290 0.4408 0.4486

    Y 0.4333 0.4161 0.4200 0.4367

    5X 0.4290 0.4214 0.4327 0.4408

    Y 0.4161 0.3982 0.4026 0.4200

    6X 0.4214 0.4134 0.4241 0.4327

    Y 0.3982 0.3791 0.3841 0.4026

    7X 0.4486 0.4408 0.4528 0.4610

    Y 0.4367 0.4200 0.4233 0.4394

    8X 0.4408 0.4327 0.4442 0.4528

    Y 0.4200 0.4026 0.4065 0.4233

    9X 0.4327 0.4241 0.4351 0.4442

    Y 0.4026 0.3841 0.3885 0.4065

    I rank(2,450K ~ 2,900K)

    1X 0.4610 0.4528 0.4648 0.4734

    Y 0.4394 0.4233 0.4259 0.4414

    2X 0.4528 0.4442 0.4558 0.4648

    Y 0.4233 0.4065 0.4097 0.4259

    3X 0.4442 0.4351 0.4463 0.4558

    Y 0.4065 0.3885 0.3924 0.4097

    4X 0.4734 0.4648 0.4776 0.4866

    Y 0.4414 0.4259 0.4279 0.4428

    5X 0.4648 0.4558 0.4682 0.4776

    Y 0.4259 0.4097 0.4123 0.4279

    6X 0.4558 0.4463 0.4583 0.4682

    Y 0.4097 0.3924 0.3958 0.4123

    7X 0.4866 0.4776 0.4912 0.5005

    Y 0.4428 0.4279 0.4290 0.4432

    8X 0.4776 0.4682 0.4815 0.4912

    Y 0.4279 0.4123 0.4142 0.4290

    9X 0.4682 0.4583 0.4713 0.4815

    Y 0.4123 0.3958 0.3986 0.4142

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    ※Measurement Uncertainty of the Color Coordinates : ± 0.01

    4. Ranks

    (4) Chromaticity Coordinates Graph : IF = 60mA

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    5. Composition of Package

    Number Item Material

    1 Mold Resin Silicone

    2 Electrodes Ag Plating Cu Alloy

    3 Die adhesive Ag Epoxy or Silicone

    4 LED Chip InGaN

    5 Au Wire 1.0~1.2mil

    (2) Component material

    (1) Composition of Package

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    6. Environmental pollution free

    (1) Testing institute

    : Korea Environment & Merchandise Testing Institute

    (2) Test material

    : LED-PCB ▶① Resin, ②Metal

    ① Resin Test

    Test item Unit Result Test method

    Pb mg/kg No detection ISO 6101-2 (AAS)EN 1122 (ICP)

    ISO 3856/7 (AAS)ISO 3856/5

    UV-Vis. Spectrophotometer

    Cd mg/kg No detection

    Hg mg/kg No detection

    Cr+6 mg/kg No detection

    ②Metal Test

    Test item Unit Result Test method

    Pb mg/kg No detectionISO 4749-98ISO 5960-84

    JIS H 1066-93ICP analysis methodISO 3613:2000(E)

    Cd mg/kg No detection

    Hg mg/kg No detection

    Cr+6 ㎍/kg No detection

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    7. Typical Electrical / Optical Characteristics Curves

    25℃ Ambient Temperature Unless Otherwise Noted

    ■ Relative Luminous intensity vs. Wavelength■ Directivity

    0

    10

    20

    30

    40

    50

    60

    70

    80

    90

    100

    0 0.5 1 1.5 2 2.5 3 3.5 4 4.5Forward Voltage_Vf [V]

    Forw

    ard

    Current_

    If [

    mA

    ]

    0

    5

    10

    15

    20

    25

    30

    35

    -20 0 20 40 60 80 100

    Ambient Temperature (Ta)

    Forw

    ard

    Cur

    rent

    (If)

    30º

    60º

    50º40º

    10º20º

    70º

    80º

    90º080 60 40 20100

    Relative Luminosity Iv(%)

    0.0

    0.5

    1.0

    1.5

    2.0

    2.5

    3.0

    3.5

    4.0

    0

    30

    60

    90

    120

    150

    180

    210

    240

    270

    300

    Forward Current_If [mA]

    Rel

    ativ

    e Lu

    min

    ous

    Inte

    nsi

    ty

    [ Iv

    /Iv

    (60m

    A)

    ]

    ■ Forward Voltage Vs. Forward Current ■ Forward Current Vs. Relative Luminosity

    ■ Forward Current Derating Curve (per 1 chip) ■ Relative Luminosity Vs. Ambient Temperature

  • The World best semiconductor

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    8. Classification by name

    (1) POWERLIGHTEC Lamp(2) PACKAGE TYPE

    (3) EMITION COLOR

    (4) LENS COLORA Colored Transparency C Colored Diffusion

    B Colorless Transparency D Milky Diffusion

    (5) ESD PROTECTION ( Zener Diode: Z / Varistor: V / No Protection: N )(6) NUMBER OF CHIP ( 1Chip: 1 / 2Chip: 2 / 3Chip: 3 / 4Chip: 4 / 5Chip: 5 )(7) NUMBER OF ZENER ( No Zener: 0 / 1Zener: 1 / 2Zener : 2 / 3Zener : 3 )(8) MOLD RESIN ( Epoxy: E / Silicone: S )(9) POLARITY MARK ( Anode: A / Cathode: C )

    C0 P 1608 C/LED Package, T=0.3mm

    C1 P 1608 C/LED Package, T=0.4mm

    C2 P 1608 C/LED Package, T=0.55mm

    C3 P 4014 Side View LED, T=0.8mm

    C31 P 4014 Side View LED, T=0.6mm

    C32 P 4014 Side View LED, T=0.48mm

    C4 P 3528 Top View LED, T=1.9mm

    C41 P 3528 TOP LED Transfer T=1.2mm

    C42 P 3528 TOP LED Transfer T=0.9mm

    C5 P 3020 Top View LED, T=1.3mm

    C6 P 5450 Flash LED Package T=1.6mm

    C61 P 5450 Flash LED Package T=0.9mm

    C7 P 1615 Seven Color Package

    C71 P 1612 Dual Color Package

    C8 P Power LED Package (HB)

    P1 P 1608 C/LED PCB Package T=0.4mm

    S11 D 3810 Side View LED, T=0.8mm

    S12 D 3810 Side View LED, T=0.6mm

    S21 N 4011 Side View LED, T=0.8mm

    S22 N 4011 Side View LED, T=0.6mm

    S31 D 5508 Side View LED, T=0.8mm

    S32 D 5506 Side View LED, T=0.6mm

    T2 D 5450 Flat Type LED, T=0.9mm

    T3 D 5450 Flat Type LED, T=1.3mm

    T4 D 5450 Flat Type LED, T=1.3mm (2nd Ver.)

    PM80 D 8080 Metal Power Package

    PD13 D 1314 Dragon EYE Power Package

    N : New ProductP : ProductD : Develop Product

    PART NO. : PCL - □XX X□ □ □ □ □ □ □

    (1) (2) (3) (4) (5) (6) (7) (8) (9)

    B C SB G Y O A R

    Blue Cyan Sky Blue Green Yellow Orange Amber Red

    CW WW PW YG D RGB I

    Cool White Warm White Pink White Y-Green Dual R, G, B Infrared

  • The World best semiconductor

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    9. Reliability

    (1) Test items and results

    (2) Criteria for judging the damage

    Item Symbol Test ConditionsCriteria for Judgment

    Min. Max.

    Forward VoltageReverse Current

    Luminous Intensity

    VFIRIV

    IF=60mAVR=5V

    IF=60mA

    --

    L.S.L.**) × 0.7

    U.S.L.*) × 1.1U.S.L.*) × 2.0

    -

    *) U.S.L. : Upper Standard Level **) L.S.L. : Lower Standard Level

    Test Item StandardTest Method Test Conditions NoteNumber

    of Damaged

    Resistanceto Soldering Heat

    (Reflow Soldering)MIL-STD-105D Tsol=260℃, 10sec.(Pre treatment 30℃, 70%, 168hrs.) 2 times 0/20

    Solderability(Reflow Soldering) MIL-STD-105D Tsol=215±5℃, 3sec.

    1 timeover 95% 0/20

    Temperature Cycle MIL-STD-105D -40℃ ~ 25℃ ~ 100℃ ~ 25℃30min. 5min. 30min. 5min.100

    cycles 0/20

    High TemperatureStorage MIL-STD-105D Ta=100℃ 1000 hrs. 0/20

    Humidity HeatLoad MIL-STD-105D Ta=60℃, RH=90% 1000 hrs. 0/20

    Low TemperatureStorage MIL-STD-105D Ta=-40℃ 1000 hrs. 0/20

    Life TestCondition 1 MIL-STD-105D Ta=25℃, IF=60mA 1000 hrs. 0/20

    Life TestCondition 2 MIL-STD-105D Ta=25℃, IF=90mA 500 hrs. 0/20

    High TemperatureLife Test Ta=85℃, IF=15mA 1000 hrs. 0/20

    High HumidityHeat Life Test 60℃, RH=90%, IF=45mA 500 hrs. 0/20

    Low TemperatureLife Test Ta=-40℃, IF=60mA 1000 hrs. 0/20

  • The World best semiconductor

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    10. Soldering Condition

    (2) Recommended Reflow Soldering profile

    (1) Soldering condition

    Reflow soldering Hand soldering

    Step Lead solder Lead free Solder Condition Spec.

    Pre heating 120~150 ℃ 180~220 ℃Soldering Temp. Max 300℃

    Pre heating time Max 120 sec. Max 120 sec.

    Peak temp. Max 240 ℃ Max 260 ℃Soldering Time Max 3sec.

    Soldering time Max 10 sec. Max 10 sec.

    ◈ Lead Solder ◈ Lead Free Solder

    (3) Recommended Soldering pattern

    (4) Soldering Cautions • Modifications should not be done after the LEDs have been soldered.

    • If modifications cannot be avoided, a double-head soldering iron should be used after

    checking whether the characteristics of the LEDs will not be damaged by modificationafter soldering.

    • Reflow soldering, do not apply force to the package during heating.

    • After soldering, do not warp the circuit board.

    2.5 2.51.9

    0.2

    1.4

    1.4

    4.6

    6.9

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    (1) Carrier tape & Reel dimensions

    11. Reel Packing Structure

  • The World best semiconductor

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    (2) Packing & Packaging

    • Reel • Label

    • Aluminum bag(in a Reel)

    DVD : PCL-XXXXXIV : OO ~ OO mcdVf : OO ~ OO VColor Code : XXX rankLot No. : XXXXX Q’ty : OOOO eaWD : 2007 . 11 . 11

    DVD : PCL-XXXXXIV : OO ~ OO mcdVf : OO ~ OO VColor Code : XXX rankQ’ty : OOOO eaLot No. : XXXXXXXXXXXX

    • Inner Box • Outer Box ( in 8ea inner boxes)

    DVD : PCL-XXXXXIV : OO ~ OO mcdVf : OO ~ OO VColor Code : XXX rankQ’ty : OOOO eaLot No. : XXXXXXXXXXXX

    11. Reel Packing Structure

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    (1) Moisture-proof Package

    (3) Heat Generation

    • Heat generation must be taken into design consideration when using the LEDs. The coefficient of temperature increase per input electric power is about 0.62℃/mW at the LED’s active layer.This coefficient will be affected by the heat resistance of the circuit board and by dense mounting of the LEDs.At the same time, precautions must be taken into the design of circuitry to avoid intense heat generation. Properdesigns which allow radiation of heat, etc. may be needed.

    • The operating current should be decided after considering the ambient maximum temperature when the LEDs

    are illuminating.

    (4) Static Electricity• Static Electricity and surge damages the LEDs.

    It is recommended to use a wrist band or anti-electrostatic glove when handling the LEDs.

    • All devices, equipment and machinery must be properly grounded.

    • When inspecting own final products on which LEDs were mounted, it is recommended to check also whether

    the mounted LEDs are damaged by static electricity or not. It is easy to find static-damaged LEDs by lightemission test at lower current (below 1 mA is recommended).

    • Damaged LEDs will show some unusual characteristics such as leak current remarkably increases, starting

    forward voltage becomes lower, or the LEDs get unlighted at the low current.

    • Storage Condition- Before opening the package : The LEDs should be kept at 5~30℃, 65%RH or less.- After opening the package : The LEDs should be kept at 5~30℃, 30%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 package, such as sealed containers with package

    of moisture absorbent material (silica gel). It is also recommended to return the LEDs to the original moistureproof 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 ± 5℃

    12. Precaution for Use

    • When moisture is absorbed into the LEDs it may vaporize and expand during soldering.There is a possibility that this can cause the exfoliation of the contacts and the 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 aluminum moisture proof bag.

    (2) Storage

  • The World best semiconductor

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    (5) Cleaning

    • Use Isopropyl Alcohol as a solvent for cleaning the LEDs. Using other solvents may dissolve the LED package and the epoxy. Caution is needed.Ultrasonic cleaning of the LEDs should not be done.

    (6) Others

    • Care must be taken to ensure that the reverse voltage will not exceed the absolute maximum rating when using LEDs with matrix drive.

    • The electrode sections are plated with silver. Those will become discolored by contact with corroded gas etc.

    Precautions must be taken to maintain a clean storing atmosphere.

    • The LEDs 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.

    • These LEDs described in this brochure are intended to be used for ordinary electronic equipment (such as

    office equipment, communications equipment, measurement instruments and household appliance). Consult POWERLIGHTEC’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 airplanes, aerospace, automobiles, traffic control equipment, life support systems and safety devices)

    • User shall not reverse engineer by disassembling or analysis of the LEDs without having the prior written

    consent of POWERLIGHTEC. When defective LEDs are found, User shall inform to POWERLIGHTEC 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.

    12. Precaution for Use

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