LD2531 LIGHTKEY | Alldatasheet
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Technical content
Features
¾ 6.20 mm (0.25inch) digit high 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 Package Dimensions A B C D E F G 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: DS10121509 REV : A.4 CHECKE D: Emily Zhou APPROVED: M.H. Lin P AGE: 2/3 HTTP://WWW.LTKEY.COM TEL: 0086-574-86322282 DA TE: Jul/20/2011 Datasheet of 0.25 inch Three Digit 7 Segment LED Display Internal Circuit Diagram LD2531A (Common Cathode) A AABB BCC CDD DEEEFF GGG F 79 2 3 41 5 10 8 6 DI G. 1 DI G. 2 DI G. 3 LD2531B (Common Anode) Selection Guide Three digits 7 Segment LED Display , Digit He ight: 6.20m m(0.25inch), External Dimensions : 15.00x8.00x4.00mm (LxWxHmm) Part No. Chip Iv@IF=20mA Iv@IF=20mA One Seg One DP Common Cathode Common Anode Material Color WLD Min. Typ. Min. Typ. LD2531AR LD2531BR GaAlAs Super Red 640 8 10 8 10 LD25 31AD LD25 31BD GaAlAs Hi-Red 640 18 25 18 25 LD25 31AO LD25 31BO GaAsP Orange 625 7 9 7 9 LD2531AY LD2531BY GaAsP Yellow 588 8 10 8 10 LD25 31AG LD25 31BG GaP Green 568 7 9 7 9 LD25 31AUR LD25 31BUR AlGaInP Ultra Red 640 30 45 30 45 LD25 31AUO LD25 31BUO AlGaInP Ultra Orange 625 45 60 45 60 LD25 31AUA LD25 31BUA AlGaInP Ultra Amber 65 30 45 30 45 LD25 31AUY LD25 31BUY AlGaInP Ultra Yellow 595 30 45 30 45 LD25 31AUG LD25 31BUG AlGaInP Ultra Green 573 30 45 30 45 LD25 31APG LD25 31BPG InGaN Pure Green 525 120 300 120 300 LD25 31AUB LD25 31BUB InGaN Ultra Blue 470 30 45 30 45 LD25 31AUW LD25 31BUW InGaN Ultra White \\ 100 120 100 120 Unit: \\ \\ \\ nm mcd mcd mcd mcd
SPEC NO: DS10121509 REV: A.4 CHECKED: Emil y Zhou APPROVED: M.H. Lin PAGE: 3/3 HTTP://WWW.LTKEY.COM TEL: 0086-574-86322282 DATE: Jul/20/2011 Datasheet of 0.25 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 N o t e s : 1. At Ta=25 deg. 2. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse