b b r r i i g g h h t t l l e e d d e e l l e e c c t t r r o o n n i i c c s s c c o o r r p p . . b b a a - - 2 2 d d 2 2 u u w w ver.1.0 page 1 of 3 since 1981 package dimensions : 7.50(.295) 6.30(.248) 3.00(.118) min. 13.90(.547) 12.80(.504) 2.54x2=5.08(.200) nom. 0.50(.020) 7.80(.307) 5.08(.200) notes: 1. all dimensions are in millimeters(inches). 2. tolerance is 0.25mm(.01")unless otherwise specified. 3. specifications are subject to change without notice. features : 1. emitting area : 12.86.3 mm 2. low power requirement. 3. excellent characters appearance. 4. solid state reliability. 5. categorized for luminous intensity. description : 1. the BA-2D2UW had uniform emitting light. 2. this product use super red chips, which are made from algaas on gaas substrate. 3. this product have a white face and white segments. internal circuit diagram : 1.1
b b r r i i g g h h t t l l e e d d e e l l e e c c t t r r o o n n i i c c s s c c o o r r p p . . b b a a - - 2 2 d d 2 2 u u w w ver.1.0 page 2 of 3 since 1981 absolute maximum ratings(ta=25 ) parameter symbol rating unit power dissipation per segment pd 80 mw forward current per segment i f 30 ma peak forward current per segment i fp (duty 1/10, 1khz) 150 ma reverse voltage per segment v r 5 v operating temperature topr -40 ~80 - storage temperature tstg -40 ~85 - soldering temperature (1/16" from body) ts o l 260 for 5 seconds - electrical and optical characteristics(ta=25 ) parameter symbol condition min. typ. max. unit forward voltage per segment vf i f =10ma - 1.7 2.5 v luminous intensity per segment iv i f =10ma - 18.0 - mcd reverse current per segment i r v r =5v - - 100 a peak wave length p i f =10ma - 660 - nm dominant wave length d i f =10ma 638 - 648 nm spectral line half-width ? i f =10ma - 20 - nm
b b r r i i g g h h t t l l e e d d e e l l e e c c t t r r o o n n i i c c s s c c o o r r p p . . b b a a - - 2 2 d d 2 2 u u w w ver.1.0 page 3 of 3 since 1981 typical electro-optical characteristics curves (25 ambient temperature unless otherwise noted) forward voltage (v) f o r w a r d c u r r e n t ( m a ) 12345 0 10 20 30 40 50 fig.2 forward current vs. forward voltage wavelength(nm) r e l a t i v e r a d i a n t i n t e n s i t y fig.1 relative radiant intensity vs. wavelength ambient temperature ta( c) forward current(ma) r e l a t i v e l u m i n o u s i n t e n s i t y -40 -20 0 20 40 60 0 0.5 1.0 1.5 2.0 2.5 3.0 fig.3 relative luminous intensity vs. ambient temperature fig.4 relative luminous intensity vs. forward current 10 20 30 40 50 1.0 2.0 3.0 0 570 600 0.5 630 660 1.0 750 690 720 ambient temperature ta( c) fig.5 forward current f o r w a r d c u r r e n t ( m a ) 0 10 20 40 20 60 40 50 derating curve vs. 80 100 30 120 ambient temperature ( @ 2 0 m a ) ( @ 2 0 m a ) r e l a t i v e l u m i n o u s i n t e n s i t y 0.0
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