SR3518 / SR3518(B) Semiconductor LED Lamp Features • Red colored diffusion lens type • φ3mm(T-1) all plastic mold type • Wide half angle of intensity(θ1/2=±55o ) Outline Dimensions unit : mm STRAIGHT TYPE STOPPER TYPE 3.0±0.2 3.0±0.2 4.1±0.2 4.1±0.2 2.9±0.2 2.9±0.2 5.5±0.5 0.4 0.4 23.0 MIN 23.0 MIN 1.0 MIN 2.54 NOM 1 2 3.8±0.2 1.0 MIN 2.54 NOM 3.6±0.2 1 2 3.8±0.2 KLR-9020-001 3.6±0.2 PIN Connections 1.Anode 2.Cathode 1 SR3518 / SR3518(B) Absolute maximum ratings Characteristic Symbol Ratings Unit Power Dissipation PD 23 mW Forward Current IF 10 mA IFP 50 mA Reverse Voltage VR 4 V Operating Temperature Topr -25∼85 ℃ Storage Temperature Tstg -30∼100 ℃ 1 * Peak Forward Current 2 260℃ for 5 seconds * Soldering Temperature Tsol *1.Duty ratio = 1/16, Pulse width = 0.1ms *2. Keep the distance more than 2.0mm from PCB to the bottom of LED package Electrical Characteristics Characteristic Symbol Test Condition Forward Voltage VF IF= 5mA - 1.9 2.3 V Luminous Intensity IV IF= 5mA - 2 - mcd λP Δλ IR IF= 5mA - 700 - nm IF= 5mA - 100 - nm VR=4V - - 10 uA θ1/2 IF= 5mA - ±55 - deg Peak Wavelength Spectrum Bandwidth Reverse Current 3 * Half angle Min. Typ. Max. Unit *3. θ1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity KLR-9020-001 2 SR3518 / SR3518(B) Characteristic Diagrams Fig. 2 IV - IF Luminous Intensity Iv [mcd] Forward Current IF [mA] Fig. 1 IF - VF Forward Voltage VF [V] Forward Current IF [mA] Fig.4 Spectrum Distribution Forward Relative Intensity [%] Current IF [mA] Fig. 3 IF – Ta Ambient Temperature Ta [℃] Wavelength λ [nm] Fig. 5 Radiation Diagram 100 50 0 50 100 Relative Luminous Intensity Iv [%] KLR-9020-001 3