lightkey spec no: ds10121825 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- 574 - 8632 228 2 da te: jul/20/201 1 dat a shee t of 1.90 inch 8x8 dot matri x led displa y lm19088 k/l series ? 1.90 inch 8x8 dot matrix 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 ? 47.80 mm (1. 90 inch) matri x height ? d o t s i z e : d i a m e t e r 4 . 8 0 m m ? pitch: 6.00 mm ? 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 d o t , g r e y o r 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 dot color ? alternativ e face color ? both ca or cc versions ar e a v aila bl e ? crop ped termi nal p i ns ? rohs com p li a n t package di mensions notes: 1. all dim ens ion s are in millimet ers (inches), t o lerance is + 0.25mm (0.01inch) u n less 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: ds10121825 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- 574 - 8632 228 2 da te: jul/20/201 1 dat a shee t of 1.90 inch 8x8 dot matri x led displa y internal circuit diagram common ca thode ro w common anod e ro w selection guide part no. chip i v @if= 20ma one do t common cathode ro w common anod e ro w m a t e r i a l c o l o r wl d m i n . t y p. lm1908 8kr lm1908 8l r gaalas super red 640 8 10 lm1908 8kd lm1908 8l d gaalas h i - r e d 6 4 0 1 8 2 5 lm1908 8ko lm1908 8lo gaasp oran ge 625 7 9 lm1908 8ky lm1908 8ly gaasp yellow 588 8 10 lm1908 8kg lm1908 8lg gap gree n 568 7 9 lm1908 8kur lm1908 8l ur algainp ultra red 640 30 45 lm1908 8kuo lm1908 8l uo algainp ultra o r an ge 625 45 60 lm1908 8kua lm1908 8l ua algainp ultra ambe r 605 30 45 lm1908 8kuy lm1908 8l uy algainp ultra yello w 595 30 45 lm1908 8kug lm1908 8l ug algainp ultra g r ee n 573 30 45 lm1908 8kpg lm1908 8lp g ingan pure g r een 525 120 300 lm1908 8kub lm1908 8l ub ingan ultra blue 470 30 45 lm1908 8kuw lm1908 8l uw s m d ultra white \ 100 120 u n i t : \ \ \ n m mc d mc d
lightkey spec no: ds10121825 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 1.90 inch 8x8 dot matrix led display electrical characteristics & absolute maximum ratings electrical characteristics [1] absolute maximum ratings [1] v f @ i f =20ma [2] color typ. max. reverse current vr=5v power dissipation dc forward current peak forward current [3] super red per dot 1.8 2.2 30 60 25 100 hi-red per dot 1.8 2.2 30 60 25 100 orange per dot 2.1 2.5 30 80 30 100 yellow per dot 2.1 2.5 30 80 30 100 green per dot 2.2 2.5 30 80 30 100 ultra red per dot 1.9 2.6 30 60 30 100 ultra orange per dot 2.0 2.6 30 65 30 100 ultra amber per dot 2.0 2.6 30 65 30 100 ultra yellow per dot 2.0 2.6 30 65 30 100 ultra green per dot 2.1 2.6 30 75 30 100 pure green per dot 3.5 4.0 30 110 30 100 ultra blue per dot 3.5 4.0 30 120 30 100 ultra white per dot 3.5 4.0 30 120 30 100 unit: \ v v ua mw ma ma notes: 1. at ta = 25 c. 2. forward voltage at forward current = 20ma. 3. peak forward current at 1/10 duty cycle, 0.1ms pulse.
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