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| Surface Mount Bi-Color Chip LEDs Description The MSL-155xx , a series of bi-color Chip LED device , is designed in an industry standard package suitable for SMT assembly method . This series contain different combinations of Red & Green chips to provide broad range choices in wavelength and intensity . They are all molded in water clear epoxy package. A B MSL-155XX SERIES LED die A (Short wavelength) 2.7 (.106) + + 2.0 (0.079) LED die B (Long wavelength) Cathode mark 0.50 (.020) Package Dimensions 1.6 (0.063) 3.2 (.126) + + 1.4 (0.055) 0.6 (0.024) Features l l l l PCB 0.60 (.024) Small Size Industry Standard Footprint Compatible with IR Solder process Availalble in 8 mm Tape on 7"(178mm) Diameter Reels 0.5 (.02) 2.20 (0.087) + 0.90 (0.036) + + l Dual color Applications l l l l + 0.9 (0.035) (0.36) Soldering Terminal Polarity Push-button backlighting LCD backlighting Symbol backlighting Front panel indicator NOTE: 1. All dimensions are in millimeter (inches) 2. Tolerance is 0.1mm (.004") unless otherwise specified. Absolute Maximum Ratings @ TA=25 C Parameter Peak Forward Current DC Forward Current Power Dissipation Reverse Voltage ( IR = 100 A ) Operating Temperature Range Storage Temperature Range Notes: 1. Derate linearly as shown in figure 4 for temperatures above 25oC (1) o Symbol IFP IF PD VR TOPR TSTG Maximum Rating 80 25 65 5 -20 to + 80 -30 to + 100 Units mA mA mW V o o C C Unity Opto Technology Co., Ltd. 12/11/2000 MSL-155XX SERIES Optical-Electrical Characteristics Luminous Part Number MSLOrange / Yellow Green 155B1 High eff Red / Yellow Green 155B2 Super Red / Yellow Green 155B5 Orange / Pure Green 155B6 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. 21/2 is the off-axis angle where the luminous intensity is 1/2 of the peak intensity. Forward Peak Wavelength (1) Viewing Angle 2 1/2 Degrees(2) Typ. 130 Intensity Color IV (mcd ) @ IF = 20 mA Min. Voltage VF (Volts ) @ IF = 20mA Typ. 2.1 / 2.2 Max. 2.6 peak (nm ) Typ. 14 / 35 Typ. 630 / 565 155B0 10 / 10 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 AlGaAs Red / Pure Green 30 / 10 45 / 35 660 / 565 1.8/2.2 2.0/2.6 130 Typical Optial - Electrical Characteristic Curves 1 RELATIVE INTENSITY GREEN ORANGE AlGaAs RED 0.5 HI-EFF RED 0 500 550 600 650 700 750 WAVELENGTH - nm FIG. 1. Relative Intensity vs. Wavelength Unity Opto Technology Co., Ltd. 12/11/2000 MSL-155XX SERIES Recommended Solder Patterns (.039) 1.00 1.50 (.059) 2.0 (0.079) 1.50 (.059) Typical Optical - Electrical Characteristic Curves 30 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 5 10 15 20 25 20 15 10 5 0 0.0 1.0 RED ORANGE GREEN 2.0 3.0 4.0 Relative Luminous Intensity ( Normalized At 20 mA ) IF - Forward Current - mA 25 VF - Forward Voltage - V FIG.2 FORWARD CURRENT VS. FORWARD VOLTAGE. 40 lDC - DC Forward Current - mA FIG. 3 RELATIVE LUMINOUS INTENSITY VS.DC FORWARD CURRENT. (.039) 1.00 0.4 .016 lF - Forward Current - mA 35 20 30 o 10o 0o 1 10 o 20 o Normalized Intensity 30 25 20 15 10 5 0 0 20 40 60 80 100 30o 40o 40o 50 60 70o 80o 90o o o .6 50o 60o .2 70 o 80o 90o TA - Ambient Temperature - oC FIG. 4 MAXIMUM DC CURRENT VS. AMBIENT TEMPERATURE FIG 5. RADIATION DIAGRAM Unity Opto Technology Co., Ltd. 12/11/2000 |
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