Surface Mount Chip LEDs MSL-174TG Package Dimensions Description CATHODE MARK The MSL-174TG, a TRUE GREEN source Chip LED device, is designed in an indnstry standard 1.25 ( 0.049 ) package suitable for SMT assembly method. It POLARITY utilizes InGaN on SiC LED chip technology and 2.0 ( 0.079) 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 l Industry Standard Footprint(0805) l Compatible with IR Solder process l Availalble in 8 mm Tape on 7"(178mm) 0.40 (0.016) R0.2 (0.008) SOLDERING TERMINAL Diameteer Reels Recommended Solder Patterns l Push-Button Backlighting l LCD Backlighting l Symbol Backlighting l 1.20 (.047) Features 1.20 (0.047) Front Panel Indicator 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 100 mA DC Forward Current IF 30 mA Power Dissipation PD 126 mW Reverse Voltage VR 5 V o o Operating Temperature Range TOPR -20 C to +80 C Storage Temperature Range TSTG -30oC to +100oC Electrostatic Discharge Threshold EOT 1000 V Unity Opto Technology Co., Ltd. 11/24/2000 MSL-154TG @ TA=25oC Optical-Electrical Characteristics Parameter Test Conditions Symbol Min . Typ . Max . Unit . Luminous Intensity IF=20mA IV 5 12 - mcd Forward Voltage IF=20mA VF - 3.5 4.0 V Reverse Current VR=5V IR - - 10 µA Peak/Dominant Wavelength Spectral Linewidth IF=20mA λp/λd - 523/525 - nm IF=20mA ∆λ - 36 - nm Viewing Angle IF=20mA 2θ1/2 - 130 - deg. Forward Current IF(mA) 1 0.5 0 380 450 510 570 Forward Current IF (mA) Wavelength (nm) FIG.1 RELATIVE INTENSITY LUMINOUS VS. WAVELENGTH 40 30 20 10 25 20 15 10 5 0 1 2 3 4 Forward Voltage (V) FIG.2 FORWARD CURRENT VS. FORWARD VOLTAGE 1.5 1.25 1 0.75 0.5 0.25 0 0 0 25 50 75 0 100 Ambient Temperature (oC) FIG.3 FORWARD CURRENT VS. AMBIENT TEMPERATURE 10 1 0.1 0 25 50 75 Ambient Temperature (oC) FIG.5 LUMINOUS INTENSITY VS. AMBIENT TEMPERATURE 5 10 15 20 25 30 Forward Current IF (mA) FIG.4 RELATIVE LUMINOUS INTENSITY VS. FORWARD CURRENT Relative Luminous Intensity Relative Luminous Intensity 30 0 640 Relative Luminous Intensity Normalized at IF=20mA Relative Luminous Intensity Typical Optical-Electrical Characteristic Curves 0o 10o 20o 30° 40° 1.0 0.9 50° 60° 0.8 70° 80° 90° 0.5 0.3 0.1 0.2 0.4 0.6 FIG.6 RADIATION DIAGRAM Unity Opto Technology Co., Ltd. 11/24/2000