LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only ROUND TYPE LED LAMPS Pb Lead-Free Parts L8G2040/S77-PF DATA SHEET DOC. NO : QW0905-L8G2040/S77-PF REV. : A DATE : 15 - Dec. - 2005 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 1/5 PART NO. L8G2040/S77-PF Package Dimensions 3.0 4.2 4.0 5.2 1.5MAX □ 7.5±0.3 0.5 TYP 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° 100% 75% 50% 60° 25% 0 25% 50% 75% 100% LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. L8G2040/S77-PF Page 2/5 Absolute Maximum Ratings at Ta=25 ℃ Absolute Maximum Ratings Symbol Parameter UNIT 8G Forward Current IF 15 mA Peak Forward Current Duty 1/10@10KHz IFP 80 mA Power Dissipation PD 50 mW Reverse Current @5V Ir 10 μA Operating Temperature Topr -40 ~ +85 ℃ Storage Temperature Tstg -40 ~ +100 ℃ Typical Electrical & Optical Characteristics (Ta=25 ℃) PART NO COLOR MATERIAL Emitted L8G2040/S77-PF GaP Forward Luminous Viewing Peak Spectral voltage intensity wave halfwidth angle @20mA(V) @10mA(mcd) length 2 θ 1/2 △λ nm (deg) λPnm Min. Typ. Min. Typ. Lens Green Green Diffused 565 30 1.7 Note : 1.The forward voltage data did not including ± 0.1V testing tolerance. 2. The luminous intensity data did not including ±15% testing tolerance. 2.1 1.2 3.0 58 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 3/5 PART NO. L8G2040/S77-PF Typical Electro-Optical Characteristics Curve G CHIP Fig.1 Forward current vs. Forward Voltage Fig.2 Relative Intensity vs. Forward Current 3.5 Relative Intensity Normalize @20mA Forward Current(mA) 1000 100 10 1.0 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0.1 1.0 2.0 3.0 4.0 5.0 1.0 10 1.2 1.1 1.0 0.9 0.8 0 20 40 60 80 100 Fig.5 Relative Intensity vs. Wavelength 1.0 0.5 0.0 500 550 600 Wavelength (nm) 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -40 -20 0 20 40 60 Ambient Temperature( ℃) Ambient Temperature( ℃) Relative Intensity@20mA Fig.4 Relative Intensity vs. Temperature Relative Intensity@20mA Normalize @25℃ Forward Voltage@20mA Normalize @25℃ Fig.3 Forward Voltage vs. Temperature -20 1000 Forward Current(mA) Forward Voltage(V) -40 100 650 Fig.6 Directive Radiation 80 100 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 4/5 PART NO. L8G2040/S77-PF Soldering Condition(Pb-Free) 1.Iron: Soldering Iron:30W Max Temperature 350° C Max Soldering Time:3 Seconds Max(One Time) Distance:2mm Min(From solder joint to body) 2.Wave Soldering Profile Dip Soldering Preheat: 120° C Max Preheat time: 60seconds Max Ramp-up 2°C/sec(max) Ramp-Down:-5° C/sec(max) Solder Bath:260°C Max Dipping Time:3 seconds Max Distance:2mm Min(From solder joint to body) Temp(° C) 260° C3sec Max 260° 5° /sec max 120° 25° 0° 0 2° /sec max Preheat 60 Seconds Max 50 100 150 Time(sec) LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 5/5 PART NO. L8G2040/S77-PF 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 high 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