LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only FOUR DIGIT LED DISPLAY (0.4 Inch) Pb Lead-Free Parts LFD455/65-XX-PF DATA SHEET DOC. NO : QW0905- LFD455/65-XX-PF REV. : A DATE : 06 - Jul. - 2006 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 1/8 PART NO. LFD455/65-XX-PF Package Dimensions 45.0(1.772") DP1 10.2 (0.4) DP3 16.0 (0.63") DP4 DP2 ψ1.7 (0.067") 12.7 (0.5") ψ1.0 (0.039") LFD455/65-XX-PF LIGITEK A F G 7.0 (0.276") 4.8±0.5 Ø 0.51 E D TYP 2.54X5=12.7 (0.5") PIN NO.1 Note : 1.All dimension are in millimeters and (lnch) tolerance is ±0.25mm unless otherwise noted. 2.Specifications are subject to change without notice. B C DP LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 2/8 PART NO. LFD455/65-XX-PF Internal Circuit Diagram LFD4555-XX-PF 11 7 4 2 1 10 5 3 A B C D E F G DIG.1 12 DP 1 A B C D E F G DIG.2 9 LFD4565-XX-PF 11 7 4 2 1 10 5 3 A B C D E F G A B C D E F G DP 2 A B C D E F G A B C D E F G 8 DP 3 DP 3 A B C D E F G A B C D E F G DP 4 DIG.4 6 12 DP 1 DP 2 DIG.3 DIG.1 DP 4 DIG.2 9 DIG.3 8 DIG.4 6 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LFD455/65-XX-PF Page 3/8 Electrical Connection PIN NO.1 LFD4555-XX-PF PIN NO.1 LFD4565-XX-PF 1 Anode E 1 Cathode E 2 Anode D 2 Cathode D 3 Anode DP1,DP2,DP3,DP4 3 Cathode DP1,DP2,DP3,DP4 4 Anode C 4 Cathode C 5 Anode G 5 Cathode G 6 Common Cathode Dig.4 6 Common Anode Dig.4 7 Anode B 7 Cathode B 8 Common Cathode Dig.3 8 Common Anode Dig.3 9 Common Cathode Dig.2 9 Common Anode Dig.2 10 Anode F 10 Cathode F 11 Anode A 11 Cathode A 12 Common Cathode Dig.1 12 Common Anode Dig.1 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LFD455/65-XX-PF Page 4/8 Absolute Maximum Ratings at Ta=25 ℃ Ratings Symbol Parameter UNIT SR Forward Current Per Chip IF 30 mA Peak Forward Current Per Chip (Duty 1/10,0.1ms Pulse Width) IFP 100 mA Power Dissipation Per Chip PD 100 mW Ir 10 μA Reverse Current Per Any Chip Operating Temperature Topr -25 ~ +85 ℃ Storage Temperature Tstg -25 ~ +85 ℃ 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 △λ (nm) (nm) Vf(v) Iv(mcd) IV-M Min. Typ. Max. Min. Typ. Common Cathode LFD4555-XX-PF GaAlAs LFD4565-XX-PF Electrical λP 660 Red 20 1.5 1.8 Common Anode Note : 1.The forward voltage data did not including ± 0.1V testing tolerance. 2. The luminous intensity data did not including ±15% testing tolerance. 2.4 2.35 4.0 2:1 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LFD455/65-XX-PF Page 5/8 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 6/8 PART NO. LFD455/65-XX-PF Typical Electro-Optical Characteristics Curve SR 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 2.5 2.0 1.5 1.0 0.5 0.0 0.1 1.0 2.0 3.0 4.0 1.0 5.0 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 0.0 650 700 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( ℃) 600 1000 Forward Current(mA) Forward Voltage(V) -40 100 750 80 100 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LFD455/65-XX-PF Page 7/8 Soldering Condition(Pb-Free) 1.Iron: Soldering Iron:30W Max Temperature 350° C Max Soldering Time:3 Seconds Max(One Time) Distance:Solder Temperature 1/16 Inch Below Seating Plane For 3 Seconds At 260° C 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:Solder Temperature 1/16 Inch Below Seating Plane For 3 Seconds At 260° C 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 PART NO. LFD455/65-XX-PF Page 8/8 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