lightkey spec no: ds10121666 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 1/3 http://www .displa y -leds.com tel: 0 086- 574- 863 2228 2 d a te: jul/20/201 1 dat a shee t of 0.30 inch three digit 7 segment led display ld303 1a/b series - 0.30 inch thr ee digit 7 segment led displa y at t e n t i o n ob ser ve pr ec a u t i o n s fo r h a ndl i n g e l e c tro s t a ti c di s c h a rg e sen s i t i v e d evi c e s available options ? alternativ e emi tting lumi nosit y: standar d or hi gh bri ghtn e ss versio n ? alternativ e emi tted color ? alternativ e seg m ent color ? alternativ e font ? common c a th ode is av ail a b l e ? crop ped termi nal p i ns f e a t u r e s ? 8 . 0 0 m m ( 0 . 3 0 i n c h ) d i g i t h i g h ? e x c e l l e n t d i g i t a p p e a r a n c e ? w i d e v i e w i n g a n g l e ? r a n g e o f e m i t t e d c o l o r s ? i . c . c o m p a t i b l e ? l o w p o w e r c o n s u m p t i o n ? w h i t e s e g m e n t ? rohs com p li a n t package di mensions notes: 1. all dim ens ion s are in mil limet ers(inche s ), t o lerance is + 0.25mm(0.01i nch)unl e ss other w i se noted. 2. specific ation s are subj ect to change w i thout notice. 3. t he ga p between the reflector and pcb s hall not ex ceed 0.2 5 mm.
lightkey spec no: ds10121666 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 2/3 http://www .displa y -leds.com tel: 0 086- 574- 863 2228 2 d a te: jul/20/201 1 dat a shee t of 0.30 inch three digit 7 segment led display internal circuit diagram l d 3 0 3 1 a ( c o m m o n c a t h o d e ) ld30 31 b (common ano d e) selection guide three digit 7 segment le d display , digit heig h t: 8. 00mm(0.30 i n ch), extern al dimensio ns: 22.00x 14.00 x 7 .20mm (l x w x h) part no. chip i v @i f = 2 0 m a i v @if=20ma one seg one dp common cathode common anod e material c o l o r w l d m i n . ty p. m i n . ty p. ld30 31ar ld30 31br gaalas super red 640 8 10 8 10 ld30 31ad ld30 31bd gaalas h i - r e d 6 4 0 1 8 2 5 1 8 2 5 ld30 31ao ld30 31bo gaasp oran ge 625 7 9 7 9 ld30 31ay ld30 31by gaasp yellow 588 8 10 8 10 ld30 31ag ld30 31bg gap gree n 568 7 9 7 9 ld30 31aur ld30 31bur algainp u ltra red 640 3 0 45 30 45 ld30 31auo ld30 31buo algainp u ltra o r an ge 625 4 5 60 45 6 0 ld30 31aua ld30 31bua algainp u ltra ambe r 605 3 0 45 30 4 5 ld30 31auy ld30 31buy algainp u ltra yello w 595 30 45 30 45 ld30 31aug ld30 31bug algainp u ltra g r ee n 573 3 0 45 30 4 5 ld30 31apg ld30 31bpg i n g a n pure g r een 525 120 300 120 300 ld30 31aub ld30 31bub i n g a n ultra blue 470 3 0 45 30 4 5 ld30 31auw ld30 31buw i n g a n ultra white \ 100 120 100 120 u n i t : \ \ \ n m mc d m c d mc d mc d
lightkey spec no: ds10121666 rev: a.4 checked: emil y zhou approved: m.h. lin page: 3/3 http://www.display-leds.com tel: 0086-574- 86322282 date: jul/20/2011 datasheet of 0.30 inch three digit 7 segment led display electrical characteristics & absolute maximum ratings electrical characteristics [1] absolute maximum ratings [1] forward voltage@ if=20ma color typ. max. reverse current vr=5v power dissipation dc forward current peak forward current [2] per seg. 1.8 2.2 30 60 25 100 super red per dp 1.8 2.2 30 60 25 100 per seg. 1.8 2.2 30 60 25 100 hi-red per dp 1.8 2.2 30 60 25 100 per seg. 2.1 2.5 30 80 30 100 orange per dp 2.1 2.5 30 80 30 100 per seg. 2.1 2.5 30 80 30 100 yellow per dp 2.1 2.5 30 80 30 100 per seg. 2.2 2.5 30 80 30 100 green per dp 2.2 2.5 30 80 30 100 per seg. 1.9 2.6 30 60 30 100 ultra red per dp 1.9 2.6 30 60 30 100 per seg. 2 2.6 30 65 30 100 ultra orange per dp 2 2.6 30 65 30 100 per seg. 2 2.6 30 65 30 100 ultra amber per dp 2 2.6 30 65 30 100 per seg. 2 2.6 30 65 30 100 ultra yellow per dp 2 2.6 30 65 30 100 per seg. 2.1 2.6 30 75 30 100 ultra green per dp 2.1 2.6 30 75 30 100 per seg. 3.5 4 30 110 30 100 pure green per dp 3.5 4 30 110 30 100 per seg. 3.5 4 30 120 30 100 ultra blue per dp 3.5 4 30 120 30 100 per seg. 3.5 4 30 120 30 100 ultra white per dp 3.5 4 30 120 30 100 unit: \ v v ua mw ma ma notes: 1. at ta = 25 c. 2. peak forward current at 1/10 duty cycle, 0.1ms pulse.
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