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klr-9014-001 1 SR5312-U / SR5312-U(b) high brightness led lamp features ? colorless transparency lens type ? 5mm(t-1 ? ) all plastic mold type ? ultra luminosity application ? message panels ? backlighting ? indicator lamp outline dimensions unit : mm s s e e m m i i c c o o n n d d u u c c t t o o r r straight type stopper type pin connections 1.anode 2.cathode
klr-9014-001 2 SR5312-U / SR5312-U ( b ) absolute maximum ratings characteristic symbol ratings unit power dissipation p d 75 mw forward current i f 30 ma * 1 peak forward current i fp 50 ma reverse voltage v r 4 v operating temperature t opr -20 85 storage temperature t stg -30 100 * 2 soldering temperature t sol 260 for 5 seconds *1.duty ratio = 1/16, pulse width = 0.1ms *2.keep the distance more than 2.0mm from pcb to the bottom of led package electrical characteristics characteristic symbol test condition min. typ. max. unit forward voltage v f i f = 20ma - 1.85 2.5 v luminous intensity i v i f = 20ma - 2500 - mcd peak wavelength p i f = 20ma - 660 - nm spectrum bandwidth i f = 20ma - 20 - nm reverse current i r v r =4v - - 10 ua * 3 half angle 1/2 i f = 20ma - 8 - deg *3. 1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity
klr-9014-001 3 SR5312-U / SR5312-U ( b ) characteristic diagrams fig.4 spectrum distribution fig. 3 i f ? ta fig. 2 i v - i f fig. 1 i f - v f forward current i f [ma] ambient temperature ta [ ] relative intensity [%] wavelength [nm] forward voltage v f [v] forward current i f [ma] forward current i f [ma] luminous intensity i v [mcd] relative luminous intensity iv [%] fig. 5 radiation diagram 100 50 50 0 100

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