Surface Mount Chip LEDs MSL-194UG Package Dimensions Description CATHODE MARK The MSL-194UG, a YELLOW GREEN source Chip LED device, is designed in an indnstry 0.80 ( 0.032 ) standard package suitable for SMT assembly POLARITY method. It utilizes AlGaInP on GaAs LED chip 1.60 ( 0.063 ) technology and water clear epoxy package. 1.20 (0.047) 0.80 (0.032) 0.8 (0.032) 0.30 ( 0.012 ) Applications l PCB Small Size l Industry Standard Footprint(0603) l Compatible with IR Solder process l Availalble in 8 mm Tape on 7"(178mm) 0.20 (0.008) R.0.175 (0.007) SOLDERING TERMINAL Diameteer Reels Recommended Solder Patterns l Push-Button Backlighting l LCD Backlighting l Symbol Backlighting l 0.80 (.032) Features 0.80 (0.032) Front Panel Indicator Absolute Maximum Ratings 0.80 (0.032) 0.72 (0.028) NOTE: 1. All dimensions are in millimeter (inches) 2. Tolerance is ± 0.1mm (.004") unless otherwise specified. @ TA=25oC Parameter Symbol Maximum Rating Unit Peak Forward Current(1/10 Duty Cycle@1KHz ) IFP 100 mA DC Forward Current IF 25 mA Power Dissipation PD 68 mW Reverse Voltage VR 5 V o o Operating Temperature Range TOPR -20 C to +80 C Storage Temperature Range TSTG -30oC to +100oC Unity Opto Technology Co., Ltd. 11/24/2000 MSL-194UG @ TA=25oC Optical-Electrical Characteristics Parameter Test Conditions Symbol Min . Typ . Max . Unit . Luminous Intensity IF=20mA IV 30 80 - mcd Forward Voltage IF=20mA VF - 2.2 2.5 V Reverse Current VR=5V IR - - 10 µA Peak/Dominant Wavelength Spectral Linewidth IF=20mA λp/λd - 575/574 - nm IF=20mA ∆λ - 20 - nm Viewing Angle IF=20mA 2θ1/2 - 130 - deg. Typical Optical-Electrical Characteristic Curves 50 0.5 0 520 560 590 630 670 Forward Current IF (mA) Wavelength (nm) FIG.1 RELATIVE INTENSITY LUMINOUS VS. WAVELENGTH 40 30 20 10 0 0 25 50 75 100 Forward Current IF (mA) 40 Relative Luminous Intensity ( Normalized at IF=20 mA ) Relative Luminous Intensity 1 10 1 0.1 0 20 30 50 70 90 o Ambient Temperature ( C) FIG.5 LUMINOUS INTENSITY VS. AMBIENT TEMPERATURE 20 10 0 0 1 2 3 4 Forward Voltage (V) FIG.2 FORWARD CURRENT VS. FORWARD VOLTAGE. 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 5 10 15 20 25 Forward current (mA) FIG. 4 RELATIVE LUMINOUS INTENSITY VS. FORWARD CURRENT. Relative Luminous Intensity Relative Luminous Intensity Ambient Temperature( ) FIG. 3 FORWARD CURRENT VS. AMBIENT TEMPERATURE. 30 0o 10o 20o 30° 40° 50° 60° 70° 80° 90° 1.0 0.9 0.8 0.5 0.3 0.1 0.2 0.4 0.6 FIG.6 RADIATION DIAGRAM Unity Opto Technology Co., Ltd. 11/24/2000