1.74 0.9 1.4 3.65 2.75 2 0.6 4 4.5 1.1 0.2 1.98 ? ? ? ? anode index ? ? ? ? unit :mm tolerance : ?0.2 unit : mm 25 20 15 10 5 0 0 1 2 3 4 5 6 7 luminous flux (lm) luminous intensity (cd) 0 . 4 8 0.44 0.40 0.36 0.32 0.28 0.24 0.26 0.30 0.34 0.38 0.42 0.46 0.50 0.54 c i e y c i e x high color rendering (aw) high color rendering (bw) standard (cw) standard (dw) (5000k) (4200k) (3500k) (2900k) part no. chip structure emitting color absolute maximum ratings (ta125?) electrical and optical characteristics (ta125?) power dissipation p d (mw) forward current i f (ma) peak forward current i fp (ma) reverse voltage v r (v) operating temperature topr(?) storage temperature tstg(?) forward voltage v f chromaticity coordinates luminous intensity i v luminous flux v typ. (v) i f (ma) (x, y) i f (ma) min. (mcd) typ. (mcd) i f (ma) typ. (lm) i f (ma) smlk34wbecw ingan white 360 90 300 ? - -40 to +100 -40 to +100 3.4 60 (0.30, 0.28) 60 4000 5500 60 (14) 60 smlk34wbedw (0.34, 0.34) smlk34wbeaw high color rendering index (5000k) (0.345, 0.351) 2200 3800 (9.5) smlk34wbebw high color rendering index (3000k) (0.44, 0.40) relative intensity (%) 10 10 20 20 40 50 70 80 40 50 70 80 0 50 100 50 100 0 30 60 90 30 60 90 scanning angle ( deg ) x ? y relative intensity (%) 10 10 20 20 40 50 70 80 40 50 70 80 0 50 100 50 100 0 30 60 90 30 60 90 scanning angle ( deg ) x ? y chromaticity diagram ?duty1/10 1khzy( ): reference directivity (deg) relative intensity (%) directivity (deg) relative intensity (%) dimensions viewing angle r e c o m m e n d e d s o l d e r p a t t e r n specifications iv-?v color type wb smlk34 series psml2 specifications ~ high heat radiation package from rohm original flat frame structure. ~ warm white, true white. 4520 1808 4.52.0mm t=0.6mm 1/3 ? 2011 rohm co., ltd. all rights reserved. www.rohm.com 2011.05 - rev.b data sheet
100 10 1 forward currenti f (ma) forward voltagev f (v) 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 ta=25c relative luminous intensity (a.u) atmosphere temperature ta (c) 1.4 1.2 1.0 0.8 0.6 0.4 -40 -20 0 20 40 60 80 100 1.6 i f =60ma relative luminous intensity (a.u.) forward current * ' (ma) 0 10 20 30 40 50 60 70 80 90 0.0 0.5 1.0 1.5 2.0 ta=25c maximum forward currenti f (ma) ambient temperatureta (c) 100 80 60 40 20 100 80 60 40 20 0 -20 -40 0 rj-a 125 ? /w forward current-forward voltage electrical characteristics curves luminous intensity-atmosphere temperature luminous intensity-forward current derating r r smlk 34 wbecw x smlk 34 wbedw x smlk 34 wbeaw x smlk 34 wbebw x x smlk 34 wbecw x smlk 34 wbedw x smlk 34 wbeaw x smlk 34 wbebw x x smlk 34 wbecw x smlk 34 wbedw x smlk 34 wbeaw x smlk 34 wbebw x x smlk 34 wbecw x smlk 34 wbedw x smlk 34 wbeaw x smlk 34 wbebw smlk34 series 2/3 ? 2011 rohm co., ltd. all rights reserved. www.rohm.com 2011.05 - rev.b
smlk34 series rank reference of brightness white (wb) ta=25? c, i f 160ma package size (mm) luminous intensity (mcd ) height(mm) c d e f g h 2200 to 2700 2700 to 3300 3300 to 4000 4000 to 4800 4800 to 5800 5800 to 7000 psml2 4520 0.6 smlk34wbeaw smlk34wbebw smlk34wbecw smlk34wbedw part no. construction packing specification rohm led products are being shipped with desiccant (silica gel) concluded in moisture-proof bags. pasting the moisture sensitive label on the outer surface of the moisture-proof bags or enclosing the humidity indication card inside the bag is available upon request. please contact the nearest sales office or distributer if necessary. ? concerning the brightness rank ? please refer to the rank chart above for luminous intensity classification. ? part name is individual for each rank. ? when shipped as sample, the part name will be a representative part name. general products are free of ranks. please contact sales if rank appointment is needed. s m l k 3 4 w b e f c w 1 chromaticity rank series name package name chip type emitting color resin color taping specifications brightness rank ? 4 ultra high brightness type w milkywhite wb white 1 cathode at sprocket hole side 1 a b c d p high color rendering: color temperature around 5000k high color rendering: color temperature around 2800k color temperature around 8000k color temperature around 6000k color temperature around 3000k w wide gamut type center color temperature 3/3 ? 2011 rohm co., ltd. all rights reserved. www.rohm.com 2011.05 - rev.b
r 1 120 a ww w .rohm.com ? 20 1 1 rohm co., ltd. all rights reserved. notice rohm customer support system http://ww w . r ohm.com/contact/ thank you for your accessing to rohm p r oduct informations. mo r e detail p r oduct informations and catalogs a r e available, please contact us. notes
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