LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only SUPER BRIGHT ROUND TYPE LED LAMPS LHR2641 DATA SHEET DOC. NO : QW0905- LHR2641 REV. : A DATE : 04 - Apr. - 2005 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 1/4 PART NO. LHR2641 Package Dimensions 2.9 3.3 3.1 4.3 1.5MAX 25.0MIN □0.5 TYP 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 Page 2/4 PART NO. LHR2641 Absolute Maximum Ratings at Ta=25 ℃ Ratings Symbol Parameter UNIT HR Forward Current IF 30 mA Peak Forward Current Duty 1/10@10KHz IFP 100 mA Power Dissipation PD 100 mW Reverse Current @5V Ir 10 μA Operating Temperature Topr -40 ~ +85 ℃ Storage Temperature Tstg -40 ~ +100 ℃ Soldering Temperature Tsol Max 260 ℃ for 5 sec Max Typical Electrical & Optical Characteristics (Ta=25 ℃) PART NO COLOR MATERIAL Emitted LHR2641 GaAlAs Red Peak wave length λPnm Spectral halfwidth △λnm Lens Red Transparent 660 20 Forward voltage @20 mA(V) Luminous intensity @20mA(mcd) Min. Max. Min. Typ. 1.5 2.4 120 300 Note : 1.The forward voltage data did not including ±0.1V testing tolerance. 2. The luminous intensity data did not including ±15% testing tolerance. Viewing angle 2θ1/2 (deg) 40 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LHR2641 Page 3/4 Typical Electro-Optical Characteristics Curve HR CHIP Fig.1 Forward current vs. Forward Voltage 3.0 Relative Intensity@20mA 1000 Forward Current(mA) Fig.2 Relative Intensity vs. Forward Current 100 10 1.0 0.1 2.0 1.0 3.0 4.0 2.5 2.0 1.5 1.0 0.5 0 5.0 1.0 10 Fig.4 Relative Intensity vs. Temperature 1.2 Relative Intensity@20mA Forward Voltage@20mA Fig.3 Forward Voltage vs. Temperature 1.1 1.0 0.9 0.8 -20 -0 20 40 60 80 100 Relative Intensity@20mA Fig.5 Relative Intensity vs. Wavelength 1.0 0.5 0 650 700 Wavelength (nm) 3.0 2.5 2.0 1.5 1.0 0.5 0 -40 -20 -0 20 40 60 80 Ambient Temperature( ℃) Ambient Temperature( ℃) 600 1000 Forward Current(mA) Forward Voltage(V) -40 100 750 100 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 4/4 PART NO. LHR2641 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