lightkey spec no: ds10121494 rev: a.4 checked: emil y zhou approved: m.h. lin page: 1/3 http://www.display-leds.com tel: 0086-574 -86322282 date: jul/20/2011 datasheet of 0.80 inch three digit 7 segment led display ld8031a/b series - 0.80 inch thr ee digit 7 segment led display features ? 20.30 mm (0.80 inch) digit high ? excellent digit appearance ? wide viewing angle ? range of emitted colors ? i.c. compatible ? low power consumption ? white segment, black face ? rohs compliant package dimensions 1 * / % * (
$ % 1 # ( & ' " % % * ( % * ( notes: 1. all dimensions are in millimeters (inches), tolerance is + 0.25mm(0.01inch)unless other wise noted. 2. specifications are subj ect to change without notice. 3. the gap between the reflector and pcb shall not exceed 0.25mm. attention observe precautions for handling electrostatic discharge sensitive devices available options ? alternative emitting luminosity: standard or high brightness version ? alternative emitted color ? alternative face and segment color ? alternative font ? both ca and cc versions are available ? cropped terminal pins
lightkey spec no: ds10121494 rev: a.4 checked: emil y zhou approved: m.h. lin page: 2/3 http://www.display-leds.com tel: 0086-574 -86322282 date: jul/20/2011 datasheet of 0.80 inch three digit 7 segment led display internal circuit diagram ld8031a (common cathode) " & / 0 $ 0 / / & $ 5 % * ( % # # $ & ' ( % 1 # # " $ % 1 % & ( ' % * ( " # # % $ ' ( % 1 % * ( ld8031b (common anode) " & / 0 $ 0 / / $ & 5 % * ( % # # $ & ' ( % 1 # # " $ % 1 % & ( ' % * ( " # # % $ ' ( % * ( % 1 selection guide three digit 7 segment led display, digit heigh t:20.30mm(0.80 inch), external dimensions: 59.2 0x27.50x8.30mm (l x w x h ) part no. chip i v @i f =20ma iv@i f =20ma one seg one dp common cathode common anode material color wld min. typ. min. typ. ld8031ar ld8031br gaalas super red 640 8 10 8 10 ld8031ad ld8031bd gaalas hi-red 640 18 25 18 25 ld8031ao ld8031bo gaasp orange 625 7 9 7 9 ld8031ay ld8031by gaasp yellow 588 8 10 8 10 ld8031ag ld8031bg gap green 568 7 9 7 9 ld8031aur ld8031bur algainp ultra red 640 30 45 30 45 ld8031auo ld8031buo algainp ultra orange 625 45 60 45 60 ld8031aua ld8031bua algainp ultra amber 605 30 45 30 45 ld8031auy ld8031buy algainp ultra yellow 595 30 45 30 45 ld8031aug ld8031bug algainp ultra green 573 30 45 30 45 ld8031apg ld8031bpg ingan pure green 525 120 300 120 300 ld8031aub ld8031bub ingan ultra blue 470 30 45 30 45 ld8031auw ld8031buw smd ultra white \ 100 120 100 120 unit: \ \ \ nm mcd mcd mcd mcd
lightkey spec no: ds10121494 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 three 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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