Surface Mount Chip LEDs MSL-174HR Package Dimensions Description CATHODE MARK The MSL-174HR, a ORANGE source Chip LED device, is designed in an indnstry standard 1.25 ( 0.049 ) package suitable for SMT assembly method. It POLARITY utilizes GaAsP on GaP LED chip technology 2.0 ( 0.079) and water clear epoxy package. 1.40 (0.055) 1.25 (0.049) 0.80 (0.031) 0.30 ( 0.012 ) Applications l PCB Small Size 0.40 (0.016) l Industry Standard Footprint(0805) l Compatible with IR Solder process l Availalble in 8 mm Tape on 7"(178mm) R0.2 (0.008) SOLDERING TERMINAL Diameteer Reels Recommended Solder Patterns l Push-Button Backlighting l LCD Backlighting l Symbol Backlighting l Front Panel Indicator 1.20 (.047) Features 1.20 (0.047) Absolute Maximum Ratings 1.20 (0.047) 0.90 (0.035) 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 120 mA DC Forward Current IF 25 mA Power Dissipation PD 70 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-174HR @ TA=25oC Optical-Electrical Characteristics Parameter Test Conditions Symbol Min . Typ . Max . Unit . Luminous Intensity IF=20mA IV 5.4 11.5 - 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 - 630/618 - nm IF=20mA ∆λ - 35 - nm Viewing Angle IF=20mA 2θ1/2 - 130 - deg. 1 Forward Current IF (mA) Relative Luminous Intensity Typical Optical-Electrical Characteristic Curves 0.5 0 560 595 630 665 700 30 25 20 15 10 5 0 1.0 20 10 0 0 25 50 75 100 Relative Luminous Intensity ( Normalized at IF=20 mA ) Forward Current IF (mA) 30 1 0.1 0 20 30 50 70 90 o Ambient Temperature ( C) FIG.5 LUMINOUS INTENSITY VS. AMBIENT TEMPERATURE 2.5 3.0 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. 10 2.0 Forward Voltage (V) FIG.2 FORWARD CURRENT VS. FORWARD VOLTAGE. Wavelength (nm) FIG.1 RELATIVE INTENSITY LUMINOUS VS. WAVELENGTH 40 1.5 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