MSL-155XX SERIES Surface Mount Bi-Color Chip LEDs Package Dimensions The MSL-155xx , a series of bi-color Chip LED device , LED die A (Short wavelength) is designed in an industry standard package suitable for LED die B (Long wavelength) 2.7 (.106) + range choices in wavelength and intensity . They are Cathode mark + A B + Features + 1.4 (0.055) Small Size 0.60 (.024) 0.90 (0.036) l Industry Standard Footprint l Compatible with IR Solder process l Availalble in 8 mm Tape on 7"(178mm) + + 0.5 (.02) Diameter Reels l PCB 2.20 (0.087) l 1.6 (0.063) all molded in water clear epoxy package. 2.0 (0.079) combinations of Red & Green chips to provide broad 0.50 (.020) 0.6 (0.024) SMT assembly method . This series contain different 3.2 (.126) Description Dual color + + 0.9 (0.035) (0.36) Soldering Terminal Applications l Push-button backlighting l LCD backlighting l Symbol backlighting l Front panel indicator Polarity NOTE: 1. All dimensions are in millimeter (inches) 2. Tolerance is ± 0.1mm (.004") unless otherwise specified. Absolute Maximum Ratings o @ TA=25 C Symbol Maximum Rating Units IFP 80 mA DC Forward Current IF 25 mA Power Dissipation PD 65 mW Reverse Voltage ( IR = 100 µA ) VR 5 V Operating Temperature Range TOPR -20 to + 80 o C -30 to + 100 o C Parameter Peak Forward Current (1) Storage Temperature Range TSTG Notes: 1. Derate linearly as shown in figure 4 for temperatures above 25oC Unity Opto Technology Co., Ltd. 12/11/2000 MSL-155XX SERIES Optical-Electrical Characteristics Luminous Part Forward Viewing Peak Voltage Angle Wavelength VF (Volts ) 2 θ 1/2 @ IF = 20mA Degrees(2) Intensity Number IV (mcd ) Color @ IF = 20 mA MSLOrange / 155B0 λ peak (1) (nm ) Min. Typ. Typ. Typ. Max. Typ. 10 / 10 14 / 35 630 / 565 2.1 / 2.2 2.6 130 10 / 10 14 / 35 640 / 565 1.9 / 2.2 2.6 130 30 / 10 45 / 35 660 / 565 1.8 / 2.2 2.2 / 2.6 130 4.5 / 2.0 13 / 6 610 / 555 2.2 2.6 130 30 / 10 45 / 35 660 / 565 1.8/2.2 2.0/2.6 130 Yellow Green High eff Red / 155B1 Yellow Green Super Red / 155B2 Yellow Green Orange / 155B5 Pure Green AlGaAs Red / 155B6 Pure Green Notes: 1.The luminous intensity, IV, is measured at the peak of the spatial radiation pattern which may not be aligned with the mechanical axis of the lamp package. 2. 2θ1/2 is the off-axis angle where the luminous intensity is 1/2 of the peak intensity. Typical Optial - Electrical Characteristic Curves RELATIVE INTENSITY 1 GREEN ORANGE AlGaAs RED 0.5 0 500 HI-EFF RED 550 600 650 700 750 WAVELENGTH - nm FIG. 1. Relative Intensity vs. Wavelength Unity Opto Technology Co., Ltd. 12/11/2000 MSL-155XX SERIES 1.50 (.059) (.039) 1.00 1.00 (.039) Recommended Solder Patterns 0.4 .016 1.50 (.059) 2.0 (0.079) Typical Optical - Electrical Characteristic Curves 1.6 25 20 RED 15 ORANGE GREEN 10 5 0 0.0 1.4 Relative Luminous Intensity ( Normalized At 20 mA ) IF - Forward Current - mA 30 1.0 2.0 3.0 1.2 1 0.8 0.6 0.4 0.2 0 4.0 0 5 10 15 20 25 lDC - DC Forward Current - mA FIG. 3 RELATIVE LUMINOUS INTENSITY VS.DC FORWARD CURRENT. VF - Forward Voltage - V FIG.2 FORWARD CURRENT VS. FORWARD VOLTAGE. 35 o 20 10o 0o o 10 1 30 30 Normalized Intensity lF - Forward Current - mA 40 25 20 15 10 5 o 20 40o o 50 40o .6 o 60 70o 30o 50o 60o .2 80o o 70 80o 0 0 20 40 60 80 TA - Ambient Temperature - oC FIG. 4 MAXIMUM DC CURRENT VS. AMBIENT TEMPERATURE 100 90o 90o FIG 5. RADIATION DIAGRAM Unity Opto Technology Co., Ltd. 12/11/2000