RoHS - Seoul Semiconductor

1 Product Data SheetProduct BriefDescriptionKey ApplicationsFeatures and Mid-Power , Feb 24, 2017 STW8A12D-E3 (Cool, Neutral, Warm)Mid-Power LED -3528 Series Table 1. Product Selection TableRoHS This White Colored surface-mount LED comes in standard package Size: It has a substrate made up of a molded plastic reflector sitting on top of a lead frame. The die is attached within the reflector cavity and the cavity is encapsulated by silicone. The package design coupled with careful selection of component materials allow these products to perform with high reliability. Market Standard 3528 Package Size High Color Quality, CRI Min. 80 RoHS compliant Interior lighting General lighting Indoor and outdoor displays Architectural / Decorative lightingPart White4700K5600K7000 KSTW8A12D-E3 Neutral White3700K4200K4700 KSTW8A12D-E3 Warm Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Table of ContentsIndex Product Brief1 Table of Contents2 Performance Characteristics3 Characteristics Graph5 Color Bin Structure11 Mechanical Dimensions21 Recommended Solder Pad22 Reflow Soldering Characteristics23 Emitter Tape & Reel Packaging24 Product Nomenclature26 Handling of Silicone Resin for LEDs27 Precaution For Use28 Company Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Performance CharacteristicsTable 2.

2 Product Selection Guide,IF= 65mA, Tj= 25 C, RH30%(1) Correlated Color Temperature is derived from the CIE 1931 Chromaticity diagram. (2) Seoul Semiconductor maintains a tolerance of 7% on Intensity and power luminous intensity IV was measured at the peak of the spatial pattern which may not be aligned with the mechanical axis of the LED package. (3) The lumen table is only for : Part Number CCT (K)[1]RANKL uminous Intensity [2]Luminous Flux [3]CRI IV (cd)ФV (lm)RaTyp. Min MaxMin MaxMin. Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Performance Characteristics(1) Seoul Semiconductor maintains a tolerance of 7% on Intensity and power measurements.(2) Correlated Color Temperature is derived from the CIE 1931 Chromaticity coordinate : , CCT 5% tolerance.(3) Tolerance is on CRImeasurements.(4) Thermal resistance is junction to Solder.(5) IFPconditions with pulse width 10ms and duty cycle 10%(6) The products are sensitive to static electricity and must be carefully taken when handling products Calculated performance values are for reference only.

3 All measurements were made under the standardized environment of Seoul 3. Characteristics, IF=65mA, Tj= 25 C, RH30%Table 4. Absolute Maximum RatingsNotes : ParameterSymbolValueUnitForward CurrentIF200mAPower TemperatureTj125 COperating TemperatureTopr-40 ~ + 85 CStorage TemperatureTstg-40 ~ + 100 CurrentIF-65-mAForward VoltageVF Intensity[1](5,000K)[2] [3]Ra808390 Viewing Angle2 1 TemperatureTstg-40-+ 85 CThermal resistance (J to S)[4]R J-S-15- Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Characteristics GraphFig 1. Color Spectrum, Tj= 25 C, IF=65mAFig 2. Radiant Pattern, Tj= 25 C, IF=65mA-100-75-50-2502550751000204060801 00 Angle [Degree]Relative Intensity (%) 2600~3700K 3700~4700K 4700~7000K Relative Emission IntensityWavelength [nm] Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Characteristics GraphFig 3. Forward Voltage vs. Forward Current, Tj= 25 CFig 4. Forward Current vs. Relative Luminous Intensity, Tj= 25 IF[A]VF[V] Relative Luminous IntensityForward Current IF [mA] Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Characteristics GraphFig 5.

4 Forward Current vs. CIE X,Y Shift, Tj= 25 C(4200~7000K)(2600~4200K) y x y x Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Characteristics GraphFig 6. Junction Temperature vs. Relative Luminous Intensity, IF=65mAFig 7. Junction Temperature vs. Relative Forward Voltage, IF= Luminous IntensityJunction temperature Tj(OC) Forward VoltageJunction temperature Tj(OC) Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Characteristics GraphFig 8. Chromaticity Coordinate vs. Junction Temperature, IF=65mA(4200~7000K) y x (2600~4200K) y x Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Characteristics GraphFig 9. Ambient Temperature vs. Maximum Forward Current, Tj_max= 125 C-40-20020406080100050100150200 Forward Current IF [mA]Ambient Temperature TA [ OC] Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin StructureTable 5. Bin Code description, Tj=25 C, IF=65mA*Notes :(1) Calculated performance values are for reference only. All measurements were made under the standardized environment of Seoul order to ensure availability, single color rank will not be 6.

5 Intensity rank distribution Available ranksPart NumberLuminous Intensity (cd)Color Chromaticity CoordinateTypical Forward Voltage (V) to page. Rank6,000 ~ 7,000 KAT5U0U3U75,300 6,000 KBT5U0U3U74,700 ~ 5,300 KCT5U0U3U74,200 ~ 4,700 KDT5U0U3U73,700 ~ 4,200 KET5U0U3U73,200 ~ 3,700 KFT5U0U3U72,900~ 3,200 KGT5U0U3U72,600 ~ 2, Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin StructureCIE Chromaticity Diagram Tj=25 C, IF=65mA*Notes : Energy Star binning applied to all 2600~7000K. Measurement Uncertainty of the Color Coordinates : CIE coord.(X)CIE coord.(Y)ABCDEFGHMACADAM 3 STEP Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin YCIE XA32A42A22A12A33A23A13A34A24A14 CIE Chromaticity Diagram (Cool white), Tj=25 C, IF=65mAA11 A21 A31 A41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE A12 A22 A32 A42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE A13 A23 A33 A43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE A14 A24 A34 A44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin YCIE XB32B42B22B12B33B23B13B34B24B14 CIE Chromaticity Diagram (Cool white)

6 , Tj=25 C, IF=65mAB11 B21 B31 B41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE B12 B22 B32 B42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE B13 B23 B33 B43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE B14 B24 B34 B44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin StructureCIE Chromaticity Diagram (Cool white), Tj=25 C, IF= YCIE XC32C42C22C12C33C23C13C34C24C14C11 C21 C31 C41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE C12 C22 C32 C42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE C13 C23 C33 C43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE C14 C24 C34 C44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin StructureCIE Chromaticity Diagram (Neutral white)

7 , Tj=25 C, IF= YCIE XD32D42D22D12D33D23D13D34D24D14D11 D21 D31 D41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE D12 D22 D32 D42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE D13 D23 D33 D43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE D14 D24 D34 D44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin StructureCIE Chromaticity Diagram (Neutral white), Tj=25 C, IF= YCIE XE32E42E22E12E33E23E13E34E24E14E11 E21 E31 E41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE E12 E22 E32 E42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE E13 E23 E33 E43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE E14 E24 E34 E44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE Data SheetSTW8A12D-E3 Mid-Power , Feb 24.

8 2017 Color Bin StructureF11 F21 F31 F41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE F12 F22 F32 F42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE F13 F23 F33 F43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE F14 F24 F34 F44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE YCIE XF32F42F22F12F33F23F13F34F24F14 CIE Chromaticity Diagram (Warm white), Tj=25 C, IF= Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin YCIE XG32G42G22G12G33G23G13G34G24G14G11G21G31 G41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE G12G22G32G42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE G13G23G33G43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE G14G24G34G44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE CIE Chromaticity Diagram (Warm white)

9 , Tj=25 C, IF= Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Color Bin YCIE XH32H42H22H12H33H23H13H34H24H14H11H21H31 H41 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE H12H22H32H42 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE H13H23H33H43 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE H14H24H34H44 CIE XCIE YCIE XCIE YCIE XCIE YCIE XCIE CIE Chromaticity Diagram (Warm white), Tj=25 C, IF= Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Mechanical DimensionsNotes : CircuitBottom ViewSide View(1) All dimensions are in millimeters. (2) Scale : none(3) Undefined tolerance is Cathode MarkTop Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Recommended Solder PadNotes : (1) All dimensions are in millimeters. (2) Scale : none(3) This drawing without tolerances are for reference only(4) Undefined tolerance is (5) The appearance and specifications of the product may be changed for improvement without Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Reflow Soldering CharacteristicsCaution : Profile FeatureSn-PbEutectic AssemblyPb-Free AssemblyAverage ramp-up rate (Ts_maxto Tp)3 C/second C/second Min (Ts_min)-Temperature Max (Ts_max)-Time (Ts_minto Ts_max) (ts)100 C150 C60-120 seconds150 C200 C60-180 secondsTime maintained above:-Temperature (TL)-Time (tL)183 C60-150 seconds217 C60-150 secondsPeak Temperature (Tp)215 C260 CTime within 5 C of actual PeakTemperature (tp)210-30 seconds20-40 secondsRamp-down Rate6 C/second C/second 25 C to Peak Temperature6 minutes minutes J-STD-020(1) Reflow soldering is recommended not to be done more than two timesIn the case of more than 24 hours passed soldering after first, LEDs will be damaged.

10 (2) Repairs should not be done after the LEDs have been solderedWhen repair is unavoidable, suitable tools must be used.(3) Die slug is to be soldered.(4) When soldering, do not put stress on the LEDs during heating.(5) After soldering, do not warp the circuit Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Emitter Tape & Reel PackagingNotes : (1) Quantity : Max 4,000pcs/Reel(2) Cumulative Tolerance : Cumulative Tolerance/10 pitches to be (3) Adhesion Strength of Cover Tape Adhesion strength to be when the cover tape is turned off from the carrier tape at the angle of 10 to the carrier tape.(4) Package : P/N, Manufacturing data Code No. and Quantity to be indicated on a damp proof Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Emitter Tape & Reel PackagingReelAluminum BagOuter Data SheetSTW8A12D-E3 Mid-Power , Feb 24, 2017 Product NomenclatureLot Number CodeDescriptionLot Number ValueY1Y2 YearY3 MonthY4Y5 DayY6 Top View LED seriesY7Y8Y9Y10 Mass orderY11Y12Y13Y14Y15Y16Y17 Internal NumberPart Number CodeDescriptionPart Number ValueX1 CompanySX2 Top View LED seriesTX3X4 Color SpecificationW8 CRI 80X5 Package seriesAA seriesX6X7 Characteristic code12X8 VersionDX9X10 Internal codeE3 Table 7.