Data Sheet SMLK34 ser ies PSML2 45201808 4.52.0mm t=0.6mm Specifications High heat r adiation package fr om ROHM or iginal flat fr ame str uctur e. Color War m white, Tr ue white. WB Type Specifications Absolute Maximum Ratings (Ta25 ) Electr ical and Optical Char acter istics (Ta25) Chip Emitting For war d Voltage V F Chr omaticity Coor dinates Luminous Intensity IV Luminous Flux V Power For war d Peak For war d Rever se Oper ating Stor age Par t No. Str uctur e Color Dissipation Cur r ent Cur r ent Voltage Temper atur e Temper atur e Typ. Min. Typ. Typ. IF(mA) (x, y) IF(mA) IF(mA) IF(mA) PD(mW) IF(mA) IFP(mA) VR(V) Topr () Tstg() (V) (mcd) (mcd) (lm) SMLK34WBECW (0.30, 0.28) White 4000 5500 (14) (0.34, 0.34) SMLK34WBEDW InGaN 360 90 300 - -40 to +100 -40 to +100 3.4 60 60 60 60 High color r ender ing SMLK34WBEAW (0.345, 0.351) index (5000K) 2200 3800 (9.5) High color r ender ing SMLK34WBEBW (0.44, 0.40) index (3000K) Duty1/10 1kHz ( ): Refer ence Dimensions Recommended Solder Pattern Viewing Angle 4.5 4 Anode Index 1.74 SCANNING ANGLE (deg) SCANNING ANGLE (deg) XY Dir ectivity (deg) XY Dir ectivity (deg) 10 0 10 10 0 10 20 20 20 20 30 30 30 30 0.6 40 40 40 40 50 50 50 50 60 60 60 60 70 70 70 70 80 80 80 80 90 90 90 90 100 50 0 50 100 100 50 0 50 100 RELATIVE INTENSITY (%)RELATIVE INTENSITY (%) RELATIVE INTENSITY (%)RELATIVE INTENSITY (%) Toler ance : 0.2 unit : mm unit :mm Chromaticity Diagram IV-v 0.48 25 (2900K) 0.44 (3500K) 20 (4200K) 0.40 (5000K) 15 0.36 10 0.32 High Color Rendering (AW) 0.28 High Color Rendering (BW) 5 Standard (CW) 0.24 Standard (DW) 0 0.26 0.30 0.34 0.38 0.42 0.46 0.50 0.54 0 1 2 3 4 5 6 7 CIE x Luminous Intensity (cd) www.r ohm.com 1/3 2011.05 - Rev.B 2011 ROHM Co., Ltd. All rights reserved. CIE y 2 0.2 1.1 1.98 3.65 0.9 Luminous Flux (lm) 1.4 2.75SMLK34 Series Electrical Characteristics Curves Forward Current-Forward Voltage SMLK34WBECW Ta=25C SMLK34WBEDW 100 SMLK34WBEAW SMLK34WBEBW 10 1 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 FORWARD VOLTAGEV F (V) Luminous Intensity-Atmosphere Temperature SMLK34WBECW IF=60mA SMLK34WBEDW 1.6 SMLK34WBEAW SMLK34WBEBW 1.4 1.2 1.0 0.8 0.6 0.4 -40 -20 0 20 40 60 80 100 ATMOSPHERE TEMPERATURET a (C) Luminous Intensity-Forward Current SMLK34WBECW Ta=25C SMLK34WBEDW 2.0 SMLK34WBEAW SMLK34WBEBW 1.5 1.0 0.5 0.0 0 10 20 30 40 50 60 70 80 90 FORWARD CURRENT (mA) Derating SMLK34WBECW Rj-a 125 /W SMLK34WBEDW 100 SMLK34WBEAW SMLK34WBEBW 80 60 40 20 0 -40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURETa (C) www.r ohm.com 2/3 2011.05 - Rev.B 2011 ROHM Co., Ltd. All rights reserved. MAXIMUM FORWARD CURRENTI F (mA) RELATIVE LUMINOUS INTENSITY (a.u.) RELATIVE LUMINOUS INTENSITY (a.u) FORWARD CURRENTI F (mA)