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| Surface Mount Chip LEDs Description The MSL-154DR, a RED source Chip LED device, is designed in an indnstry standard package suitable for SMT assembly method. It utilizes AlGaAs on GaAs LED chip technology and water clear epoxy package. 3.20 ( 0.126 ) 2.00 (0.079) 1.10 (0.043) 1.60 ( 0.063 ) MSL-154DR Package Dimensions ANODE MARK POLARITY 1.60 0.063 Applications l l l l 0.50 ( 0.020 ) Small Size Industry Standard Footprint(1206) Compatible with IR Solder process Availalble in 8 mm Tape on 7"(178mm) Diameteer Reels R0.4 (0.016) PCB 0.50 (0.020) SOLDERING TERMINAL Recommended Solder Patterns Features l l l l Push-Button Backlighting LCD Backlighting Symbol Backlighting Front Panel Indicator 1.50 (0.059) 2.0 (0.079) 1.50 (0.059) Absolute Maximum Ratings NOTE: 1. All dimensions are in millimeter (inches) 2. Tolerance is 0.1mm (.004") unless otherwise specified. @ TA=25oC Parameter Peak Forward Current(1/10 Duty Cycle@1KHz ) DC Forward Current Power Dissipation Reverse Voltage Operating Temperature Range Storage Temperature Range Symbol IFP IF PD VR TOPR TSTG Maximum Rating 200 25 55 5 -25 C to +80 C -30oC to +85oC o o Unit mA mA mW V Unity Opto Technology Co., Ltd. 1.5 (.059) 11/24/2000 MSL-154DR Optical-Electrical Characteristics Parameter Luminous Intensity Forward Voltage Reverse Current Peak/Dominant Wavelength Spectral Linewidth Viewing Angle 1 Relative Luminous Intensity Forward Current IF (mA) @ TA=25oC Symbol IV VF IR p/d 21/2 30 25 20 15 10 5 0 1.2 1.6 2 2.4 2.8 3.2 3.6 4 Test Conditions IF=20mA IF=20mA VR=5V IF=20mA IF=20mA IF=20mA Min . 10 - Typ . 21.5 1.9 660/640 20 130 Max . 2.0 10 - Unit . mcd V A nm nm deg. Typical Optical-Electrical Characteristic Curves 0.5 0 590 615 640 665 690 715 Wavelength (nm) FIG.1 RELATIVE INTENSITY LUMINOUS VS. WAVELENGTH Relative Luminous Intensity ( Normalized at IF=20 mA ) Forward Current IF (mA) 40 30 20 10 0 0 25 50 75 100 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 Forward Voltage (V) FIG.2 FORWARD CURRENT VS. FORWARD VOLTAGE. 5 10 15 20 25 Ambient Temperature( ) FIG. 3 FORWARD CURRENT VS. AMBIENT TEMPERATURE. Relative Luminous Intensity Relative Luminous Intensity 10 Forward current (mA) FIG. 4 RELATIVE LUMINOUS INTENSITY VS. FORWARD CURRENT. 0o 10o 20o 30 40 1.0 0.9 0.8 0.5 0.3 0.1 0.2 0.4 0.6 50 60 70 80 90 1 0.1 -30 -10 10 30 50 70 Ambient Temperature (oC) FIG.5 LUMINOUS INTENSITY VS. AMBIENT TEMPERATURE FIG.6 RADIATION DIAGRAM Unity Opto Technology Co., Ltd. 11/24/2000 |
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