SRM2331-A Semiconductor Dual Chip LED Features • Compact type • Radiation size 1.3mm × 2.9mm • Radiation color (Y-Green, Red) • Surface mount lead configuration Outline Dimensions unit : mm 2.40~2.60 0.50 Max. 1.80~2.00 1.30~1.50 0.50 Max. 0.10 Max. 2.80~3.00 1.20~1.40 0.20 Min. PIN Connections 1. Cathode (Y-Green) 2. Cathode (Red) 3. Common Anode KSD-O8O003-001 1 SRM2331-A Absolute Maximum Ratings (Ta=25oC) Characteristic Rating Symbol Red Y-Green Unit Power dissipation PD 75 75 mW Forward current IF 30 30 mA IFP 50 50 mA Reverse voltage VR 4 4 V Operating temperature range Topr -25∼85 ℃ Storage temperature range Tstg -30∼100 ℃ 1 * Peak forward current 2 * Soldering temperature Tsol 240℃ for 5 seconds *1. Duty ratio = 1/16, Pulse width = 0.1ms *2. Recommended reflow soldering temperature profile - Preheating 150℃ to 185℃ within 120 seconds soldering 240℃ within 10 seconds Gradual cooling (Avoid quenching) Temp (℃) Peak Temp max. 240℃ 240 Preheating area 150~185℃, 90±30sec max. 10sec Solder area 220℃, max. 60sec 185 150 max. 3℃/sec max. -6℃/sec max. 4℃/sec Time from 25℃ to Peak Temperature max. 6min 25 0 60 150 180 240 Time (sec) Electrical / Optical Characteristics Characteristic Symbol Forward voltage VF Luminous intensity IV Peak wavelength λP Spectrum bandwidth ∆λ Reverse current 3 * Half angle Red Y-Green Red Y-Green Red Y-Green Red Y-Green (Ta=25oC) Test Condition IF= 20mA IF= 20mA IF= 20mA IF= 20mA Min. Typ. Max. - 2.0 2.1 20 15 660 570 20 30 2.5 2.5 - - - Unit V mcd nm nm IR VR=4V - - 10 uA θ1/2 IF= 20mA - ±55 - deg *3. θ1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity KSD-O8O003-001 2 SRM2331-A Characteristic Diagrams Fig. 1 IF - VF Forward Current IF [mA] Luminous Intensity Iv [mcd] Fig. 2 IV - IF 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 λ [nm] Fig. 5 Radiation Diagram Relative Luminous Intensity Iv [%] KSD-O8O003-001 3 SRM2331-A The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-O8O003-001 4