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| Semiconductor SRM2331-A Dual Chip LED Features * Compact type * Radiation size 1.3mm x 2.9mm * Radiation color (Y-Green, Red) * Surface mount lead configuration Outline Dimensions unit : mm 2.40~2.60 1.20~1.40 2.80~3.00 1.80~2.00 0.50 Max. 1.30~1.50 0.10 Max. 0.50 Max. 0.20 Min. PIN Connections 1. Cathode (Y-Green) 2. Cathode (Red) 3. Common Anode KSD-O8O003-001 1 SRM2331-A Absolute Maximum Ratings Characteristic Power dissipation Forward current * Peak forward current Reverse voltage Operating temperature range Storage temperature range 2 1 (Ta=25oC) Symbol PD IF IFP VR Topr Tstg Rating Red 75 30 50 4 -2585 -30100 Y-Green 75 30 50 4 Unit mW mA mA V * 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 () 240 Peak Temp max. 240 Preheating area 150~185, 9030sec 185 150 max. 3/sec max. 4/sec Time from 25 to Peak Temperature max. 6min 0 60 150 180 240 Time (sec) max. -6/sec max. 10sec Solder area 220, max. 60sec 25 Electrical / Optical Characteristics Characteristic Forward voltage Luminous intensity Peak wavelength Spectrum bandwidth Reverse current VF IV (Ta=25oC) Symbol Red Y-Green Red Y-Green Red Y-Green Red Y-Green Test Condition IF= 20mA IF= 20mA IF= 20mA IF= 20mA VR=4V IF= 20mA Min. - Typ. 2.0 2.1 20 15 660 570 20 30 55 Max. 2.5 2.5 10 - Unit V mcd nm nm uA deg P IR 1/2 * Half angle 3 *3. 1/2 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 Fig. 2 IV - IF Forward Voltage VF [V] Luminous Intensity Iv [mcd] Forward Current IF [mA] Forward Current IF [mA] Fig. 3 IF - Ta Fig.4 Spectrum Distribution Forward Current IF [mA] Ambient Temperature Ta [] Relative Intensity [%] Wavelength [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 |
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