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| Datasheet File OCR Text: |
| 3mm round grass green led OSG7NU3131A ver.2 features outline dimension high luminous leds 3mm round standard directivity superior weather-resistance uv resistant epoxy water clear type applications electronic signs and signals small area illuminations back lighting other lighting unit:mm tolerance: + 0.3mm 2.54 1 2 2.94 1 . 5 m i n 5 . 3 2 6 . 0 m i n 0.5 + 0.1 1 . 0 2:cathode 1:anode 3 . 8 5 3 . 0 absolute maximum rating (ta=25 (ta=25 (ta=25 (ta=25 ) )) ) 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 78 mw operating temperature topr -30 ~ +85 storage temperature tstg -40~ +100 lead soldering temperature tsol 260 /5sec - *pulse width max.10ms duty ratio max 1/10 0.5 30 90 60 0 0 0.5 30 60 90 1 1 electrical -optical characteristics (ta=25 (ta=25 (ta=25 (ta=25 ) )) ) item symbol condition min. typ. max. unit dc forward voltage v f i f =20ma 1.8 2.1 2.6 v dc reverse current i r v r =5v - - 10 a domi. wavelength* d i f =20ma 560 565 566 nm luminous intensity* iv i f =20ma 220 330 - mcd 50% power angle 2 1/2 i f =20ma - 30 - deg * 1 dominant wavelength measurement allowance is + 1nm * 2 luminous intensity measurement allowance is + 15% led & application technologies
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