LI2640-1

LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only ROUND TYPE LED LAMPS LI2640-1 DATA SHEET DOC. NO : REV. DATE : : QW0905- LI2640-1 A 11 - May - 2005 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LI2640-1 Page 1/4 Package Dimensions 2.9 3.1 3.3 1.5MAX 4.3 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 0° -30° 30° -60° 60° 100% 75% 50% 25% 0 25% 50% 75% 100% LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LI2640-1 Page 2/4 Absolute Maximum Ratings at Ta=25 ℃ Ratings Parameter Symbol I Forward Current Peak Forward Current Duty 1/10@10KHz Power Dissipation Reverse Current @5V Operating Temperature Storage Temperature Soldering Temperature IF IFP PD Ir Topr Tstg Tsol 30 120 100 10 -40 ~ +85 -40 ~ +100 Max 260 ℃ for 5 sec Max (2mm from body) mA mA mW UNIT μA ℃ ℃ Typical Electrical & Optical Characteristics (Ta=25 ℃) PART NO MATERIAL Emitted COLOR Lens Peak wave length λPnm Forward Spectral voltage halfwidth @ 20mA(V) △λ nm Luminous intensity @10mA(mcd) Viewing angle 2θ1/2 (deg) Min. Max. Min. 635 45 1.7 2.6 8.0 Typ. 12 50 LI2640-1 GaAsP/GaP Orange Red Diffused Note : 1.The forward voltage data did not including ±0.1V testing tolerance. 2. The luminous intensity data did not including ±15% testing tolerance. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LI2640-1 Page 3/4 Typical Electro-Optical Characteristics Curve Fig.1 Forward current vs. Forward Voltage 1000 Fig.2 Relative Intensity vs. Forward Current 3.0 Forward Current(mA) 100 Relative Intensity Normalize @20mA 1.0 2.0 3.0 4.0 5.0 2.5 2.0 1.5 1.0 0.5 0.0 1.0 10 100 1000 10 1.0 0.1 Forward Voltage(V) Fig.3 Forward Voltage vs. Temperature 1.2 Forward Current(mA) Fig.4 Relative Intensity vs. Temperature 3.0 Forward Voltage@20mA Normalize @25 ℃ Relative Intensity@20mA Normalize @25℃ 80 100 1.1 2.5 2.0 1.5 1.0 0.5 0.0 -40 -20 0 20 40 60 80 100 1.0 0.9 0.8 -40 -20 0 20 40 60 Ambient Temperature( ℃) Ambient Temperature( ℃) Fig.5 Relative Intensity vs. Wavelength Relative Intensity@20mA 1.0 0.5 0.0 550 600 650 700 750 Wavelength (nm) LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LI2640-1 Page 4/4 Reliability Test: Test Item Test Condition 1.Under Room Temperature 2.If=20mA 3.t=1000 hrs (-24hrs, +72hrs) Description This test is conducted for the purpose of detemining the resisance of a part in electrical and themal stressed. The purpose of this is the resistance of the device which is laid under ondition of high temperature for hours. Reference Standard MIL-STD-750: 1026 MIL-STD-883: 1005 JIS C 7021: B-1 Operating Life Test High Temperature Storage Test 1.Ta=105 ℃±5 ℃ 2.t=1000 hrs (-24hrs, +72hrs) 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. JIS C 7021: B-12 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. MIL-STD-202:103B JIS C 7021: B-11 Thermal Shock Test 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. 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. This test intended to see soldering well performed or not. 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. MIL-STD-202: 210A MIL-STD-750: 2031 JIS C 7021: A-1 MIL-STD-202: 208D MIL-STD-750: 2026 MIL-STD-883: 2003 JIS C 7021: A-2 Solderability Test 1.T.Sol=230 ℃±5℃ 2.Dwell time=5 ±1sec