SAM3272 Semiconductor Dual Color LED Lamp Features • • • • Milky diffusion lens type φ3mm(T-1) all plastic mold type Radiation color (Red, Green) Low power consumption Outline Dimensions unit : mm 0.2 0.2 PIN Connections 1.Y-Green 2.Common Cathode 3.Red 1 SAM3272 Absolute maximum ratings Characteristic Symbol Ratings Unit Power Dissipation PD 85 mW Forward Current IF 30 mA IFP 50 mA Reverse Voltage VR 4 V Operating Temperature Topr -25～85 ℃ Storage Temperature Tstg -30～100 ℃ Soldering Temperature Tsol 260℃ for 5 seconds 1 * Peak Forward Current *1.Duty ratio = 1/16, Pulse width = 0.1ms Electrical Characteristics Characteristic Symbol Forward Voltage VF Luminous Intensity IV Peak Wavelength λP Spectrum Bandwidth Reverse Current Half angle Δλ Red Y-Green Red Y-Green Red Y-Green Red Y-Green Test Condition IF= 20mA IF= 20mA IF= 20mA IF= 20mA Min. Typ. Max. 3 4 - 2.0 2.2 10 12 630 570 35 30 2.7 2.8 - Unit V mcd nm nm IR VR=4V - - 10 uA θ1/2 IF= 20mA - ±20 - deg 2 SAM3272 Characteristic Diagrams Fig. 2 IV - IF Forward Current IF [mA] Luminous Intensity Iv [mcd] Fig. 1 IF - VF Forward Voltage VF [V] Forward Current IF [mA] Fig.4 Spectrum Distribution Relative Intensity [%] Forward Current IF [mA] Fig. 3 IF – Ta Wavelength λ [nm] Ambient Temperature Ta [℃] Fig. 5 Radiation Diagram Relative Luminous Intensity Iv [%] 3