LightKey Datasheet of 0.30 inch Three Digit 7 Segment LED Display LD3031A/B Series - 0.30 inch Three Digit 7 Segment LED Display ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES Features Available options ¾ 8.00 mm (0.30 inch) digit high ¾ ¾ Excellent digit appearance ¾ Wide viewing angle ¾ Range of emitted colors ¾ I.C. compatible ¾ Low power consumption ¾ White segment ¾ RoHS compliant Alternative emitting luminosity: Standard or high brightness version ¾ ¾ ¾ ¾ ¾ Alternative emitted color Alternative segment color Alternative font Common Cathode is available Cropped terminal pins Package Dimensions Notes: 1. All dimensions are in millimeters(inches), Tolerance is + 0.25mm(0.01inch)unless other wise noted. 2. Specifications are subject to change without notice. 3. The gap between the reflector and PCB shall not exceed 0.25mm. SPEC NO: DS10121666 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 1/3 DATE: Jul/20/2011 LightKey Datasheet of 0.30 inch Three Digit 7 Segment LED Display Internal Circuit Diagram LD3031A (Common Cathode) LD3031B (Common Anode) Selection Guide Three Digit 7 Segment LED Display, Digit Height: 8.00mm(0.30 inch), External Dimensions: 22.00x14.00x7.20mm (L x W x H) Part No. Chip Common Common Cathode Anode Material Color WLD IV@IF=20mA Iv@IF=20mA One Seg One DP Min. Typ. Min. Typ. LD3031AR LD3031BR GaAlAs Super Red 640 8 10 8 10 LD3031AD LD3031BD GaAlAs Hi-Red 640 18 25 18 25 LD3031AO LD3031BO GaAsP Orange 625 7 9 7 9 LD3031AY LD3031BY GaAsP Yellow 588 8 10 8 10 LD3031AG LD3031BG GaP Green 568 7 9 7 9 LD3031AUR LD3031BUR AlGaInP Ultra Red 640 30 45 30 45 LD3031AUO LD3031BUO AlGaInP Ultra Orange 625 45 60 45 60 LD3031AUA LD3031BUA AlGaInP Ultra Amber 605 30 45 30 45 LD3031AUY LD3031BUY AlGaInP Ultra Yellow 595 30 45 30 45 LD3031AUG LD3031BUG AlGaInP Ultra Green 573 30 45 30 45 LD3031APG LD3031BPG InGaN Pure Green 525 120 300 120 300 LD3031AUB LD3031BUB InGaN Ultra Blue 470 30 45 30 45 LD3031AUW LD3031BUW InGaN Ultra White \ 100 120 100 120 Unit: \ \ \ nm mcd mcd mcd mcd SPEC NO: DS10121666 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 2/3 DATE: Jul/20/2011 LightKey Datasheet of 0.30 inch Three Digit 7 Segment LED Display Electrical Characteristics & Absolute Maximum Ratings Electrical Characteristics[1] Forward Color Reverse Voltage@ Current IF=20mA Super Red Hi-Red Orange Yellow Green Ultra Red Ultra Orange Ultra Amber Ultra Yellow Ultra Green Pure Green Ultra Blue Ultra White Unit: Absolute Maximum Ratings[1] VR=5V Power Dissipation DC Peak Forward Forward Current Current[2] Typ. Max. Per Seg. 1.8 2.2 30 60 25 100 Per DP 1.8 2.2 30 60 25 100 Per Seg. 1.8 2.2 30 60 25 100 Per DP 1.8 2.2 30 60 25 100 Per Seg. 2.1 2.5 30 80 30 100 Per DP 2.1 2.5 30 80 30 100 Per Seg. 2.1 2.5 30 80 30 100 Per DP 2.1 2.5 30 80 30 100 Per Seg. 2.2 2.5 30 80 30 100 Per DP 2.2 2.5 30 80 30 100 Per Seg. 1.9 2.6 30 60 30 100 Per DP 1.9 2.6 30 60 30 100 Per Seg. 2 2.6 30 65 30 100 Per DP 2 2.6 30 65 30 100 Per Seg. 2 2.6 30 65 30 100 Per DP 2 2.6 30 65 30 100 Per Seg. 2 2.6 30 65 30 100 Per DP 2 2.6 30 65 30 100 Per Seg. 2.1 2.6 30 75 30 100 Per DP 2.1 2.6 30 75 30 100 Per Seg. 3.5 4 30 110 30 100 Per DP 3.5 4 30 110 30 100 Per Seg. 3.5 4 30 120 30 100 Per DP 3.5 4 30 120 30 100 Per Seg. 3.5 4 30 120 30 100 Per DP 3.5 4 30 120 30 100 V V uA mW mA mA \ Notes: 1. At Ta = 25 °C. 2. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse. SPEC NO: DS10121666 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 3/3 DATE: Jul/20/2011