SRM2331 Semiconductor Dual Chip LED Lamp Features * Compact type * Radiation size 1.3mm x 2.9mm * Radiation color (Red, Green) * Surface mount lead configuration Outline Dimensions unit : mm 2.50.2 1.30.2 1 R=0.45 3 2.90.2 1.90.2 0.40.1 2 0.5 3 0.2 1.4 1 2 Min0.2 PIN Connections 1.Anode (Green) 2.Anode (Red) 3.Cathode KLD -2001-000 1 SRM2331 Absolute maximum ratings Characteristic Symbol Ratings Unit Power Dissipation PD 55 mW Forward Current IF 30 mA IFP 50 mA VR 4 V Operating Temperature Topr -2585 Storage Temperature Tstg -30100 *2 Soldering Temperature Tsol 1 * Peak Forward Current Reverse Voltage 240 for 5 seconds *1.Duty ratio = 1/16, Pulse width = 0.1ms *2.Recommended soldering condition Attached Electrical Characteristics Characteristic Symbol Forward Voltage VF Luminous Intensity IV Peak Wavelength P Spectrum Bandwidth Reverse Current 3 * Half angle Test Condition Red Y-Green Red Y-Green Red Y-Green Red Y-Green IR IF = 20mA IF = 20mA IF = 20mA IF = 20mA VR =4V 1/2 IF = 20mA Min. Typ. Max. - 2.5 2.8 - - 1.8 2.1 30 15 660 570 20 30 - 10 uA - 55 - deg - - Unit V mcd nm nm *3. 1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity KLD -2001-000 2 SRM2331 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 Ambient Temperature Ta [] Wavelength [nm] Fig. 5 Radiation Diagram Relative Luminous Intensity Iv [%] KLD -2001-000 3