LM20057ABRG LIGHTKEY | Alldatasheet
Document overview
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Technical content
Features
¾ 53.10 mm (2.00 inch) digit high ¾ Dot size: Diameter 5.00 mm ¾ Pitch: 7.62 mm ¾ Wide viewing angle ¾ Emitted colors: red and green ¾ I.C. compatible ¾ Low power consumption ¾ White dot, grey or black face Available options ¾ Alternative emitting luminosity: Standard or high brightness version ¾ Alternative emitted color ¾ Alternative dot color ¾ Alternative face ¾ Both CC and CA versions are available ¾ Cropped terminal pins ¾ RoHS compliant Package Dimensions PIN 1 53.10 7.62*6=45.72 38.10 8.40 2.54*9=22.86 37.80 7.62*4=30.48 21COL. 5 ROW 0.60 5.80 0.50 5.0 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: DS10121827 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 2.00 inch 5x7 Dual Color Dot Matrix LED Display Internal Circuit Diagram LM20057A (Common Cathode Row) LM20057B (Common Anode Row) PIN NO. ROW NO. PIN COL. = GREEN = ORANGE ROW 121 2 20 NO. PIN = ORANGE = GREEN 5 13 COL. NO. PIN 61 4 1918 98 Selection Guide 2.00 inch 5x7 Red-Green LED dot matrix module, Matrix Height: 53.10 mm(2.00 inch), External Dimensions: 37.80x53.10x8.40 mm (L x W x H) Part No. Chip Iv(mcd)@20mA One Dot
Description
Cathode Row Anode Row Material Color W LD (nm) Min. Typ. GaAlAs Super Red 640 8 10 Standard Brightness LM20057CRG LM20057DRG GaP Green 568 7 9 AlGaInP Ultra Red 640 30 45 Ultra-High Brightness LM20057CURUG LM20057DURUG AlGaInP Ultra Green 573 30 45
SPEC NO: DS10121827 REV : A.4 CHECKE D: Emily Zhou APPROVED: M.H. Lin P AGE: 3/3 HTTP://WWW.DISPLAY-LEDS.COM TEL: 0086-574-86322282 D ATE: Jul/20/2011 Datasheet of 2.00 inch 5x7 Dual Color Dot Matrix LED Display Electrical Characteristics & Absolute Maximum Ratings LM20057A/BRG Electrical Characteristics[1] Absolute Maximum Ratings[1] VF(V) @ IF=20mA[2] Color Typ. Max. Reverse Current VR=5V (uA) Power Dissipation (mW) DC Forward Current (mA) Peak Forward Current[3] (mA) Reverse Voltage (V) Super Red 1.8 2.2 30 60 25 100 5 Green 2.2 2.5 30 80 30 100 5 Ultra Red 1.9 2.6 30 60 30 100 Ultra Green 2.1 2.6 300 75 30 100 5 Operating/ Storage Temp.: -40 to +80 deg.; Lead Solder Temp.: 260 deg. for 3-5 Sec. 2mm below package base 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.