LD8021CD LIGHTKEY | Alldatasheet
Document overview
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Technical content
Features
¾ 20.30 mm (0.80 inch) 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, black face Available options ¾ Alternative emitting luminosity: Standard or high brightness version ¾ Alternative emitted color ¾ Alternative face and segment color ¾ Alternative font ¾ Both CA and CC versions are available ¾ Cropped terminal pins ¾ RoHS compliant Package Dimensions 2.54*4=10.16 10.00 22.0 PIN 1 35.80 18.0 20.30(.80") 25.80 12.40 1.70 DIG.2DIG.1 A F E G B DP C D 4.30 0.50 10.0° 0.51 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: DS10121728 REV : A.4 CHECKE D: Emily Zhou APPROVED: M.H. Lin P AGE: 2/3 HTTP://WWW.DISPLAY-LEDS.COM TEL: 0086-574-86322282 D ATE: Jul/20/2011 Datasheet of 0.80 inch Dual Digit 7 Segment LED Display Internal Circuit Diagram LD8021C (Common Cathode) F DIG.1 CAB ED 987 6 5 ECABGD P D 104 DPGF DIG .2 LD8021D (Common Anode) F DIG.1 CAB ED DIG.2 ECABGD P D DPGF 4567893 10 Selection Guide Dual Digits 7 Segment LED Display, Digit Height: 20.30mm(0.8inch), External Dimensions: 35.80x25.80x10.00mm (L x W x H ) Part No. Chip Iv@IF=20mA Iv@IF=20mA One Seg One DP Common Cathode Common Anode Material Color WLD Min. Typ. Min. Typ. LD80 21CR LD80 21DR GaAlAs Super Red 640 8 10 8 10 LD80 21CD LD80 21DD GaAlAs Hi-Red 640 18 25 18 25 LD80 21CO LD80 21DO GaAsP Orange 625 7 9 7 9 LD80 21CY LD80 21DY GaAsP Yellow 588 8 10 8 10 LD80 21CG LD80 21DG GaP Green 568 7 9 7 9 LD80 21CUR LD80 21DUR AlGaInP Ultra Red 640 30 45 30 45 LD80 21CUO LD80 21DUO AlGaInP Ultra Orange 625 45 60 45 60 LD80 21CUA LD80 21DUA AlGaInP Ultra Amber 605 30 45 30 45 LD80 21CUY LD80 21DUY AlGaInP Ultra Yellow 595 30 45 30 45 LD80 21CUG LD80 21DUG AlGaInP Ultra Green 573 30 45 30 45 LD80 21CPG LD80 21DPG InGaN Pure Green 525 120 300 120 300 LD80 21CUB LD80 21DUB InGaN Ultra Blue 470 30 45 30 45 LD80 21CUW LD80 21DUW InGaN Ultra White \\ 100 120 100 120 Unit: \\ \\ \\ nm mcd mcd mcd mcd
SPEC NO: DS10121728 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 Dual 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 °C. 2. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.