Surface Mount Bi-Color Chip LEDs Description MSL-155XX SERIES 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 SMT assembly method . This series contain different LED die B (Long wavelength) 2.7 (.106) combinations of Red & Green chips to provide broad + 0.50 (.020) Cathode mark + 1.4 (0.055) 0.60 (.024) Small Size 0.90 (0.036) Industry Standard Footprint l Compatible with IR Solder process l Availalble in 8 mm Tape on 7"(178mm) + + 0.5 (.02) l Diameter Reels + l + 0.9 (0.035) (0.36) Soldering Terminal Dual color Applications l Push-button backlighting l LCD backlighting l Symbol backlighting l Front panel indicator PCB 2.20 (0.087) l + 0.6 (0.024) + Features 3.2 (.126) B 1.6 (0.063) A all molded in water clear epoxy package. 2.0 (0.079) range choices in wavelength and intensity . They are Polarity NOTE: 1. All dimensions are in millimeter (inches) 2. Tolerance is ± 0.1mm (.004") unless otherwise specified. Absolute Maximum 155B16 Ratings 40 / 15 80 / 40 @ TA=25oC Blue Maximum Rating Units IFP 80 mA DC Forward Current IF 25 mA Power Dissipation PD 65 mW Reverse Voltage ( IR = 100 µA ) VR 5 Parameter Peak Forward Current (1) Operating Temperature Range Storage Temperature Range TOPR TSTG Notes: 1. Derate linearly as shown in figure 4 for temperatures above 25oC Unity Opto Technology Co., Ltd. V -20 to + 80 o C -30 to + 100 o C MSL-155XX SERIES Optical-Electrical Characteristics Luminous Part Number Red Orange / Yellow Green GaAsP Red / AllnGaP Green Orange / Pure Green AlGaAs Red / GaP Green 155B0 155B3 155B5 155B6 @ IF = 20mA Degrees(2) Min. Typ. λδ Typ. 5 / 1.5 12 / 6.5 618 / 570 1.8 / 2.2 2.3 / 2.7 130 5 / 1.5 12 / 6.5 585 / 570 1.9 / 2.2 2.7 130 5 / 1.5 12 6.5 607 / 570 2.1/ 2.2 2.7 130 10 / 1.5 22.5 / 6.5 640 / 570 1.8/2.2 2.0/2.6 130 @ IF = 20 mA(1) MSL- Viewing Angle 2 θ 1/2 Hue Wavelength Intensity IV (mcd ) Color Forward Voltage VF (Volts ) (nm ) Typ. Max. Typ. 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 1 RELATIVE INTENSITY GREEN ORANGE AlGaAs RED 0.5 0 500 HI-EFF RED 550 600 650 700 WAVELENGTH - nm FIG. 1. Relative Intensity vs. Wavelength Unity Opto Technology Co., Ltd. 750 MSL-155XX SERIES 1.50 (.059) 1.00 (.039) 1.00 (.039) Recommended Solder Patterns 0.4 .016 1.50 (.059) 2.0 (0.079) 30 1.6 25 1.4 20 Relative Luminous Intensity ( Normalized At 20 mA ) IF - Forward Current - mA Typical Optical - Electrical Characteristic Curves RED 15 ORANGE GREEN 10 5 0 0.0 1.0 2.0 3.0 1.2 1 0.8 0.6 0.4 0.2 0 4.0 155B16 VF - Forward Voltage - V FIG.2 FORWARD CURRENT Blue 0 40 / 15 5 10 15 20 25 80 / 40 2.6/4.2 lDC - DC Forward Current - mA FIG. 3 RELATIVE LUMINOUS INTENSITY VS.DC FORWARD CURRENT. VS. FORWARD VOLTAGE. 35 20o 30 30 Normalized Intensity lF - Forward Current - mA 40 25 20 15 10 5 10o 0o 10o 1 20o 40o o 50 40o .6 o 60 70o 20 40 60 80 TA - Ambient Temperature - oC FIG. 4 MAXIMUM DC CURRENT VS. AMBIENT TEMPERATURE 100 50o 60o .2 80o 70o 80o 0 0 30o 90o 90o FIG 5. RADIATION DIAGRAM Unity Opto Technology Co., Ltd. 12/11/2000