lightkey spec no: ds10121727 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: 0086 -57 4 -86 3222 82 d a te: jul/20/201 1 dat a shee t of 0.80 inch dual digit 7 segment led display ld802 1a/b series - 0.80 inch du al d i git 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 f e a t u r e s ? 2 0 . 3 0 m m ( 0 . 8 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 , b l a c k f a c e 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 face and se gme n t color ? alternativ e font ? both ca an d c c versio ns are avail a b l e ? crop ped termi nal p i ns ? rohs com p li a n t package di mensions 2.5 4 *4= 1 0.16 10 .00 22 .0 pin 1 35 .80 18 .0 20.30( .80" ) 25 .80 12.40 1.7 0 dig . 2 dig.1 a f e g b dp c d 4.30 0.50 10.0 0.51 notes: 1. all dim ens ion s are in millimet ers (inches), 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: ds10121727 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: 0086 -57 4 -86 3222 82 d a te: jul/20/201 1 dat a shee t of 0.80 inch dual digit 7 segment led display internal circuit diagram ld80 21 a (common cath ode) % 1 ( & ' % $ " # ( ( ' ' & & % % $ $ " " # # % 1 % * ( % * ( ld80 21 b (common ano d e) % * ( % * ( & & ' ' $ $ % % " # # & % $ " # ( ( % 1 % 1 ' ( selection guide dual digit s 7 segm ent le d display , digit he igh t: 2 0 .30mm(0.8i nch), extern al dimensio ns: 35.80x 25.80 x 10.00mm (l x w x h) part no. chip iv @if=20ma iv @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 . t y p. ld80 21ar ld80 21br gaalas super red 640 8 1 0 8 10 ld80 21ad ld80 21bd gaalas h i - r e d 6 4 0 1 8 2 5 1 8 2 5 ld80 21ao ld80 21bo g a a s p oran ge 625 7 9 7 9 ld80 21ay ld80 21by g a a s p yellow 588 8 1 0 8 10 ld80 21ag ld80 21bg gap gree n 568 7 9 7 9 ld80 21aur ld80 21bur algainp u ltra red 640 30 4 5 30 45 ld80 21auo ld80 21buo algainp u ltra o r an ge 625 45 6 0 45 60 ld80 21aua ld80 21bua algainp u ltra ambe r 605 30 4 5 30 45 ld80 21auy ld80 21buy algainp u ltra yello w 595 30 4 5 30 45 ld80 21aug ld80 21bug algainp u ltra g r ee n 573 30 4 5 30 45 ld80 21apg ld80 21bpg ingan pure g r een 525 120 300 1 2 0 300 ld80 21aub ld80 21bub ingan ultra blue 470 30 4 5 30 45 ld80 21auw ld80 21buw ingan ultra white \ 100 120 1 0 0 120 u n i t : \ \ \ n m m c d m c d m c d m c d
lightkey spec no: ds10121727 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 0.80 inch dual digit 7 segment led display electrical characteristics & absolute maximum ratings parameter electrical optical characteristics [1] absolute maximum ratings [1] forward voltage @ if=20ma emitted 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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