LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only SINGLE DIGIT LED DISPLAY (0.3 Inch) LSD3021-XX DATA SHEET DOC. NO : QW0905- LSD3021-XX REV. : A DATE : 23 - Dec. - 2005 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LSD3021-XX Page 1/7 Package Dimensions PIN NO.1 A F LSD3021-XX LIGITEK E G B 7.62 (0.3") 19.0 (0.75") 2.54*6= 15.24(0.6") C D R.DP Ø0.9 10(0.39") 5.4 (0.21") 5.1±0.5 Ø0.45 TYP 7.5 (0.295") Note : 1.All dimension are in millimeters and (lnch) tolerance is ±0.25(0.01") unless otherwise noted. 2.Specifications are subject to change without notice. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LSD3021-XX Page 2/7 Internal Circuit Diagram LSD3021-XX 3 14 A 1 B C 13 10 D 8 E 7 NO PIN:4,5,12 NC:6 F 2 G R.DP 11 9 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 3/7 PART NO. LSD3021-XX Electrical Connection PIN NO. LSD3021-XX PIN NO. LSD3021-XX 1 Cathode A 8 Cathode D 2 Cathode F 9 Cathode RDP 3 Common Anode 10 Cathode C 4 NO PIN 11 Cathode G 5 NO PIN 12 NO PIN 6 NC 13 Cathode B 7 Cathode E 14 Common Anode LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 4/7 PART NO. LSD3021-XX Absolute Maximum Ratings at Ta=25 ℃ Ratings Symbol Parameter UNIT H Forward Current Per Chip IF 15 mA Peak Forward Current Per Chip (Duty 1/10,0.1ms Pulse Width) IFP 60 mA Power Dissipation Per Chip PD 40 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 Material Emitted or anode CHIP PART NO LSD3021-XX GaP Red Common Anode Electrical λP (nm) △λ Vf(v) (nm) Iv(mcd) IV-M Min. Typ. Max. Min. Typ. 697 90 1.7 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. 2.6 0.35 0.5 2:1 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LSD3021-XX Page 5/7 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 PART NO. LSD3021-XX Page 6/7 Typical Electro-Optical Characteristics Curve H CHIP Fig.1 Forward current vs. Forward Voltage Fig.2 Relative Intensity vs. Forward Current 3.0 Relative Intensity Normalize @20mA Forward Current(mA) 1000 100 10 1.0 0.1 2.5 2.0 1.5 1.0 0.5 0.0 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 0.0 600 700 800 900 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 1000 80 100 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LSD3021-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 resistance 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 condition 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 hours. 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