LightKey Datasheet of 1.20 inch 5x7 Dot Matrix LED Display LM12357C/D Series – 1.20 inch 5x7 Dot Matrix LED Display ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES Features Available options ¾ 27.94mm (0.70inch) matrix height ¾ ¾ Dot size: Diameter 3.00mm ¾ Pitch: 4.00mm ¾ Wide viewing angle ¾ Range of emitted colors ¾ I.C. compatible ¾ Low power consumption ¾ White dot, grey or black face ¾ RoHS compliant Alternative emitting luminosity: Standard or high brightness version ¾ ¾ ¾ ¾ ¾ Alternative emitted color Alternative dot color Alternative face color Both CA or CC versions are 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: DS10121815 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 1.20 inch 5x7 Dot Matrix LED Display Internal Circuit Diagram Common Cathode Row Common Anode Row Selection Guide Part No. Chip Common Common Cathode Row Anode Row Material Iv@IF=20mA Color One Dot WLD Min. Typ. LM12357CR LM12357DR GaAlAs Super Red 627 8 10 LM12357CD LM12357DD GaAlAs Hi-Red 627 18 25 LM12357CO LM12357DO GaAsP Orange 610 7 9 LM12357CY LM12357DY GaAsP Yellow 588 8 10 LM12357CG LM12357DG GaP Green 568 7 9 LM12357CUR LM12357DUR AlGaInP Ultra Red 627 30 45 LM12357CUO LM12357DUO AlGaInP Ultra Orange 610 45 60 LM12357CUA LM12357DUA AlGaInP Ultra Amber 605 30 45 LM12357CUY LM12357DUY AlGaInP Ultra Yellow 595 30 45 LM12357CUG LM12357DUG AlGaInP Ultra Green 573 30 45 LM12357CPG LM12357DPG InGaN Pure Green 525 120 300 LM12357CUB LM12357DUB InGaN Ultra Blue 470 30 45 LM12357CUW LM12357DUW InGaN Ultra White \ 100 120 Unit: \ \ \ nm mcd mcd SPEC NO: DS10121815 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 1.20 inch 5x7 Dot Matrix LED Display Electrical Characteristics & Absolute Maximum Ratings Electrical Absolute Maximum Ratings[1] [1] Characteristics Color VF@ Reverse IF=20mA[2] Current Typ. Max. VR=5V Power Dissipation DC Peak Forward Forward Current 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. SPEC NO: DS10121815 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