http://www.optosupply.com ver a.0 3 3 m m m m r r o o u u n n d d m m i i n n t t l l e e d d OSC54L3131A features outline dimension high luminous leds 3 3mm round standard directivity long lifetime operation superior weather-resistance water clear type applications backlighting (switches, keys, displays, illuminated advertising etc.) substitution of micro incandescent lamps reading lamps / emergency lighting marker lights (e.g. steps, exit ways, etc.) other lighting unit:mm tolerance:+0.3mm 2.54 1 2 2.94 1.5min 5.3 26.0min 0.5+0.1 1.0 2:cathode 1:anode 3 .85 3.0 absolute maximum rating (ta=25j) directivity item symbol value unit dc forward current i f 30 ma pulse forward current* i fp 100 ma reverse voltage v r 5 v power dissipation p d 108 mw operating temperature topr -30 ~ +85 j storage temperature tstg -40~ +100 j lead soldering temperature tsol 260 j /5sec - *pulse width max.10ms duty ratio max 1/10 0.5 30x 90x 60x 0 0 0.5 30x 60x 90x 11 ?? electrical -optical charac teristics (ta=25j) item symbol condition min. typ. max. unit dc forward voltage v f i f =20ma 2.8 3.1 3.6 v dc reverse current i r v r =5v - - 10 a luminous flux x v i f =20ma 8.5 9.2 - lm x i f =20ma - 0.29 - chromaticity coordinates* y i f =20ma - 0.49 - 50% power angle 2 1/2 i f =20ma - 30 - deg * 1 luminous flux measurem ent allowance is ? 15% * 2 chromaticity coordinates measurement allowance is ? 10% led & application technologies
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