LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only SINGLE DIGIT LED DISPLAY (0.36 Inch) LSD3A72-XX DATA SHEET DOC. NO : QW0905- LSD3A72-XX REV. : A DATE : 18 - Feb - 2005 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LSD3A72-XX Page 1/7 Package Dimensions 5.0 (0.197") 5.0±0.5 7.6 (0.299") PIN NO.1 8.3 (0.327") 0.45 TYP. B 14.0 (0.551") D LSD3A72-XX LIGITEK 9.14 (0.360") E 2.54X4= 10.16(0.4") C ψ1.1(0.043") Note : 1.All dimension are in millimeters and (lnch) tolerance is ±0.25mm unless otherwise noted. 2.Specifications are subject to change without notice. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 2/7 PART NO. LSD3A72-XX Internal Circuit Diagram LSD3A72-XX 1,4 10 E D B 2 3 9 C DP 8 7 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 3/7 PART NO. LSD3A72-XX Electrical Connection LSD3A72-XX PIN NO.1 PIN NO.1 1 Common Cathode E,D 1 2 Anode E 2 3 Anode D 3 4 Common Cathode E,D 4 5 NC 5 6 No Pin 6 7 Anode DP 7 8 Anode C 8 9 Anode B 9 10 Common Cathode B,C,DP 10 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 4/7 PART NO. LSD3A72-XX Absolute Maximum Ratings at Ta=25 ℃ Ratings Symbol Parameter UNIT G Forward Current Per Chip IF 30 mA Peak Forward Current Per Chip (Duty 1/10,0.1ms Pulse Width) IFP 120 mA Power Dissipation Per Chip PD 100 mW Ir 10 μA Operating Temperature Topr -25 ~ +85 ℃ Storage Temperature Tstg -25 ~ +85 ℃ Reverse Current Per Any Chip Solder Temperature 1-16 Inch Below Seating Plane For 3 Seconds At 260 ℃ Part Selection And Application Information(Ratings at 25℃) common cathode or anode Material Emitted CHIP PART NO LSD3A72-XX GaP Green Common Cathode Electrical λP (nm) △λ Vf(v) (nm) Min. 565 30 1.7 Iv(mcd) Typ. Max. Min. Typ. 2.8 1.8 2.1 Note : 1.The forward voltage data did not including ±0.1V testing tolerance. 2. The luminous intensity data did not including ±15% testing tolerance. 1.0 IV-M 2:1 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 5/7 PART NO. LSD3A72-XX Test Condition For Each Parameter Symbol Unit Test Condition Forward Voltage Per Chip Vf volt If=20mA Luminous Intensity Per Chip Iv mcd If=10mA Peak Wavelength λP nm If=20mA △λ nm If=20mA Ir μA Vr=5V Parameter Spectral Line Half-Width Reverse Current Any Chip Luminous Intensity Matching Ratio IV-M LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 6/7 PART NO. LSD3A72-XX Typical Electro-Optical Characteristics Curve G CHIP Fig.2 Relative Intensity vs. Forward Current Fig.1 Forward current vs. Forward Voltage 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 2.0 1.0 3.0 4.0 5.0 1.0 10 Fig.4 Relative Intensity vs. Temperature 1.2 Relative Intensity@20mA Normalize @25℃ Forward Voltage@20mA Normalize @25 ℃ 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 0.0 550 600 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( ℃) 500 1000 Forward Current(mA) Forward Voltage(V) -40 100 650 80 100 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LSD3A72-XX Page 7/7 Reliability Test: Test Item Test Condition Description Reference Standard Operating Life Test 1.Under Room Temperature 2.If=10mA 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