LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only ROUND TYPE LED LAMPS LSBK2042S DATA SHEET DOC. NO : QW0905-LSBK2042S REV. : A DATE : 17 - Jan - 2005 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 1/4 PART NO. LSBK2042S Package Dimensions 3.0 4.2 4.0 5.2 1.5MAX □0.5 TYP. 25.0MIN 1.0MIN 2.54TYP. Note : 1.All dimension are in millimeter tolerance is ±0.25mm unless otherwise noted. 2.Specifications are subject to change without notice. Directivity Radiation LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LSBK2042S Page 2/4 Absolute Maximum Ratings at Ta=25 ℃ Ratings Symbol Parameter UNIT SBKS Forward Current IF 30 mA Peak Forward Current Duty 1/10@10KHz IFP 100 mA Power Dissipation PD 120 mW Reverse Current @5V Ir 50 μA Electrostatic Discharge ESD 500 V Operating Temperature Topr -20 ~ +80 ℃ Storage Temperature Tstg -30 ~ +100 ℃ Soldering Temperature Tsol Max 260 ℃ for 5 sec Max (2mm from body) Typical Electrical & Optical Characteristics (Ta=25 ℃) COLOR PART NO MATERIAL Emitted LSBK2042S InGaN/SiC Blue Forward Luminous Viewing Dominant Spectral voltage intensity angle wave halfwidth @20mA(V) @20mA(mcd) length θ 1/2 2 △λ nm (deg) λDnm Lens White Diffused 475 26 Typ. Max. Min. Typ. 3.5 550 Note : 1.The forward voltage data did not including ±0.1V testing tolerance. 2. The luminous intensity data did not including ± 15% testing tolerance. 4.2 220 50 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 3/4 PART NO. LSBK2042S Typical Electro-Optical Characteristics Curve SBK CHIP Fig.2 Relative Intensity vs. Forward Current 30 1.5 Relative Intensity Normalize @20mA Forward Current(mA) Fig.1 Forward current vs. Forward Voltage 25 20 15 10 5 0 1 2 3 4 1.25 1.0 0.75 0.5 0.25 0 5 0 5 Relative Intensity@20mA Forward Current@20mA 40 30 20 10 0 50 75 Ambient Temperature( ℃) 20 25 30 Fig.4 Relative Intensity vs. Wavelength Fig.3 Forward Current vs. Temperature 25 15 Forward Current(mA) Forward Voltage(V) 0 10 100 1.0 0.5 0 380 430 480 530 580 Wavelength (nm) 630 680 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 4/4 PART NO. LSBK2042S Reliability Test: Test Item Test Condition Description Reference Standard Operating Life Test 1.Under Room Temperature 2.If=20mA 3.t=1000 hrs (-24hrs, +72hrs) This test is conducted for the purpose of detemining the resisance of a part in electrical and themal stressed. MIL-STD-750: 1026 MIL-STD-883: 1005 JIS C 7021: B-1 High Temperature Storage Test 1.Ta=105 ℃±5 ℃ 2.t=1000 hrs (-24hrs, +72hrs) The purpose of this is the resistance of the device which is laid under ondition of hogh temperature for hours. MIL-STD-883:1008 JIS C 7021: B-10 Low Temperature Storage Test 1.Ta=-40 ℃±5℃ 2.t=1000 hrs (-24hrs, +72hrs) The purpose of this is the resistance of the device which is laid under condition of low temperature for hours. High Temperature High Humidity Test 1.Ta=65 ℃±5℃ 2.RH=90 %~95 % 3.t=240hrs ±2hrs The purpose of this test is the resistance of the device under tropical for hous. 1.Ta=105 ℃±5℃&-40 ℃±5℃ (10min) (10min) 2.total 10 cycles The purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. MIL-STD-202: 107D MIL-STD-750: 1051 MIL-STD-883: 1011 Solder Resistance Test 1.T.Sol=260 ℃±5℃ 2.Dwell time= 10 ±1sec. This test intended to determine the thermal characteristic resistance of the device to sudden exposures at extreme changes in temperature when soldering the lead wire. MIL-STD-202: 210A MIL-STD-750: 2031 JIS C 7021: A-1 Solderability Test 1.T.Sol=230 ℃±5℃ 2.Dwell time=5 ±1sec This test intended to see soldering well performed or not. MIL-STD-202: 208D MIL-STD-750: 2026 MIL-STD-883: 2003 JIS C 7021: A-2 Thermal Shock Test JIS C 7021: B-12 MIL-STD-202:103B JIS C 7021: B-11