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 - - 1 1 2 2 y y 3 3 u u d d ver.1.0 page 1 of 3 since 1981 package dimensions : 8.00(.315) 4.00(.157) 58.00(2.283) 56.00(2.205) 1 . 5 0 ( . 0 5 9 ) y yy yyy yyy y y y 0.50 (.020) 2.54x20=50.80(2.00) 3.00(.118) min. 0.50(.020) 4.30x11=47.30(1.862) 5 . 0 0 ( . 1 9 7 ) 7 . 0 0 ( . 2 7 6 ) 1.60(.063) 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 : 4.01.512 mm 2. low power requirement. 3. excellent characters appearance. 4. solid state reliability. 5. categorized for luminous intensity. 6. universal pin out. description : 1. the BA-12Y3UD is 12 bar graph array display. 2. this product use yellow chips, which are made from gaasp on gap substrate. 3. this product have a black face and white segments. 4. this product doesn't contain restriction substance, comply rohs standard. internal circuit diagram : I??? http://www.brtled.com
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 - - 1 1 2 2 y y 3 3 u u d d 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 - 2.0 2.5 v luminous intensity per segment iv i f =10ma - 3.5 - mcd reverse current per segment i r v r =5v - - 100 a peak wave length p i f =10ma - 589 - nm dominant wave length d i f =10ma 586 - 594 nm spectral line half-width ? i f =10ma - 35 - nm I??? http://www.brtled.com
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 - - 1 1 2 2 y y 3 3 u u d d ver.1.0 page 3 of 3 since 1981 typical electro-optical characteristics curves (25 ambient temperature unless otherwise noted) wavelength(nm) fig.1 relative radiant intensity vs. wavelength forward voltage forward voltage (v) forward current(ma) fig.4 relative luminous relative luminous intensity 0 (@20ma) 1.0 2.0 forward current (ma) 3.0 0 30 10 20 40 50 40 10 20 30 50 4 forward current intensity vs. 123 5 fig.2 forward current vs. relative radiant intensity 500 0 0.5 1.0 530 560 ambient temperature ambient temperature ta( c) ambient temperature ta( c) fig.5 forward current derating curve vs. ambient temperature 0 forward current(ma) 20 10 40 30 20 40 60 80 0.5 (@20ma) relative luminous intensity 50 -40 0 1.0 1.5 2.0 2.5 3.0 0 -20 20 120 100 40 60 fig.3 relative luminous 590 620 intensity vs. 650 680 I??? http://www.brtled.com
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