LightKey Datasheet of 1.20 inch 5x7 Dot Matrix LED Display LM12357A/B 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: DS10121814 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. LM12357AR LM12357BR GaAlAs Super Red 627 8 10 LM12357AD LM12357BD GaAlAs Hi-Red 627 18 25 LM12357AO LM12357BO GaAsP Orange 610 7 9 LM12357AY LM12357BY GaAsP Yellow 588 8 10 LM12357AG LM12357BG GaP Green 568 7 9 LM12357AUR LM12357BUR AlGaInP Ultra Red 627 30 45 LM12357AUO LM12357BUO AlGaInP Ultra Orange 610 45 60 LM12357AUA LM12357BUA AlGaInP Ultra Amber 605 30 45 LM12357AUY LM12357BUY AlGaInP Ultra Yellow 595 30 45 LM12357AUG LM12357BUG AlGaInP Ultra Green 573 30 45 LM12357APG LM12357BPG InGaN Pure Green 525 120 300 LM12357AUB LM12357BUB InGaN Ultra Blue 470 30 45 LM12357AUW LM12357BUW InGaN Ultra White \ 100 120 Unit: \ \ \ nm mcd mcd SPEC NO: DS10121814 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: DS10121814 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