Surface Mount Chip LEDs MSL-154UR Package Dimensions Description ANODE MARK The MSL-154UR, a RED source Chip LED device, is designed in an indnstry standard package suitable 1.60 ( 0.063 ) for SMT assembly method. It utilizes AlGaAs on POLARITY AlGaAs LED chip technology and water clear epoxy 3.20 ( 0.126 ) package. 2.00 (0.079) 1.60 0.063 1.10 (0.043) 0.50 ( 0.020 ) Applications l PCB Small Size l Industry Standard Footprint(1206) l Compatible with IR Solder process l Availalble in 8 mm Tape on 7"(178mm) 0.50 (0.020) R0.4 (0.016) SOLDERING TERMINAL Diameteer Reels Recommended Solder Patterns l Push-Button Backlighting l LCD Backlighting l Symbol Backlighting l 1.5 (.059) Features 1.50 (0.059) Front Panel Indicator Absolute Maximum Ratings 1.50 (0.059) 2.0 (0.079) 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 200 mA DC Forward Current IF 25 mA Power Dissipation PD 68 mW Reverse Voltage VR 5 V o o Operating Temperature Range TOPR -25 C to +80 C Storage Temperature Range TSTG -30oC to +85oC Unity Opto Technology Co., Ltd. 11/24/2000 MSL-154UR @ TA=25oC Optical-Electrical Characteristics Parameter Test Conditions Symbol Min . Typ . Max . Unit . Luminous Intensity IF=20mA IV mcd IF=20mA VF 31.5 2.1 - Forward Voltage 15 - 2.5 V Reverse Current VR=5V IR - - 10 µA Peak/Dominant Wavelength Spectral Linewidth IF=20mA λp/λd - 660/640 - nm IF=20mA ∆λ - 20 - nm Viewing Angle IF=20mA 2θ1/2 - 130 - deg. 2.5 3 Typical Optical-Electrical Characteristic Curves Forward Current IF (mA) Relative Luminous Intensity 1 0.5 0 590 615 640 665 690 30 25 20 15 10 5 0 1 715 40 30 20 10 0 0 25 50 75 100 Relative Luminous Intensity Relative Luminous Intensity 1 0.1 -30 -10 10 30 50 70 Ambient Temperature (oC) FIG.5 LUMINOUS INTENSITY VS. AMBIENT TEMPERATURE 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. Ambient Temperature( ) FIG. 3 FORWARD CURRENT VS. AMBIENT TEMPERATURE. 10 2 Forward Voltage (V) FIG.2 FORWARD CURRENT VS. FORWARD VOLTAGE. Relative Luminous Intensity ( Normalized at IF=20 mA ) Forward Current IF (mA) Wavelength (nm) FIG.1 RELATIVE INTENSITY LUMINOUS VS. WAVELENGTH 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