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| page 1 of 2 super flux led btf-37whcs-xx-x package dimension product features ? ultra bright white color ? high light output ? 3mm super flux package ? water clear lens ? highly reliable ? ic compatible ? leads with stand off applications ? outdoor sign board ? automotive ? front panel indicator ? special lighting ? general purpose leds tolerance: unit: optical and electrical characteristics at t a =25 ?? parameter symbol minimum typical maximum units conditions luminous intensity iv 1800 2500 - mcd i f = 20ma (note 1) viewing angle 2 1/2 - 90 - degree i f = 20ma x - 0.28 - n/a color coordinates y - 0.29 - n/a i f = 20ma (note 2) dc forward voltage v f - 3.3 4.0 v i f = 20ma dc reverse current i r 0 - 10 a v r =5v notes: 1. light intensity measures the light sensing response standard using chromatic meter. refer to the cie eye-response curve set by international lighting committee. tolerance of minimum and maximum intensity = 15% 2. color coordinates range can be selected from the bin selection table. the parameters used fulfilled the 1932 2 standard 3. these products are sensitive to static electricity and care must be fully taken when handling products 0.01 0.25 inch mm
page 2 of 2 super flux led btf-37whcs-xx-x absolute maximum ratings at t a =25 ?? symbol parameter max. unit p d power rating 80 mw v r reverse voltage (i r =10a) 5 v i f continuous forward current 30 ma i pf peak forward current (0.1 duty cycle @ 1khz) 100 ma t opr operating temperature range ?35 ~ + 80 ?? t stg storage temperature range ?40 ~ + 100 ?? lead soldering temperature [1.6mm (0.063inch) from body] 260 ?? - max 5 seconds color and brightness selection btf-37whcs-xx -x color bin selection brightness bin selection white bin x y 0.20 0.20 0.27 0.28 0.31 0.27 bw (bluish white) 0.31 0.20 0.24 0.28 0.32 0.36 0.36 0.36 pw (pure white) 0.36 0.28 0.29 0.36 0.38 0.45 0.42 0.45 yw (yellowish white) 0.42 0.36 xx all range bin range(mcd) r 1800~2500 s 2500~3500 t 3500~4900 x 1800~4900 |
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