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LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
FOUR DIGIT LED DISPLAY (0.3 Inch)
Pb
Lead-Free Parts
LFD3A5/62-XX/RP75-PF
DATA SHEET
DOC. NO REV. DATE
: QW0905- LFD3A5/62-XX/RP75-PF : A
: 28 - Dec. - 2006
LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
PART NO. LFD3A5/62-XX/RP75-PF Page 1/8
Package Dimensions
30.4(1.197")
7.0 (0.276")
DIG.1
7.6 (0.3")
DIG.2 DP5
DIG.3
DIG.4 DP8 DP9
13.2 (0.52") 10.0 (0.394")
DP1 DP2 DP3 DP4
DP6
DP7
DP10
A
LFD3A5/62-XX/RP75-PF LIGITEK
FG E D
B C DP
0.45 TYP
2.50X10=25.0 (0.98")
7.50.5
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.
LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
PART NO. LFD3A5/62-XX/RP75-PF Page 2/8
Internal Circuit Diagram
LFD3A52-XX/RP75-PF LFD3A62-XX/RP75-PF
21 17 19 20 3 11 18 22 7 12
A DIG.1 B C 2 D E F G A DIG.2 B C 5 D E F G DP5 DP6 A DIG.3 B C 8 D E F G
21 17 19 20 3 11 18 22 7 12
A DIG.1 B C 2 D E F G A DIG.2 B C 5 D E F G DP5 DP6 A DIG.3 B C 8 D E F G
6
6
9
DP7
16
9
DP7
16
A DIG.4 B C 10 D E F G
A DIG.4 B C 10 D E F G
15
DP4
13
15
DP4
13
1,4,14,23,24 NOPIN
1,4,14,23,24 NOPIN
LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
PART NO. LFD3A5/62-XX/RP75-PF Page 3/8
Electrical Connection
PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 LFD3A52-XX/RP75-PF NO PIN Common Cathode Dig.1 Anode D NO PIN Commom Cathode Dig.2 Cathode DP5,DP6 Anode DP5 Common Cathode Dig.3 Anode DP7 Common Cathode Dig.4 Anode (Dig.2,Dig.3,Dig.4) E Anode DP6 Cathode DP4 NO PIN Anode DP4 Cathode DP7 Anode A Anode F Anode B Anode C Anode Dig.1 E Anode G NO PIN NO PIN PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 LFD3A62-XX/RP75-PF NO PIN Common Anode Dig.1 Cathode D NO PIN Commom Anode Dig2 Anode DP5 Cathode DP5 Common Anode Dig.3 Cathode DP7 Common Anode Dig.4 Cathode (Dig.2,Dig.3,Dig.4) E Cathode DP6 Anode DP4 NO PIN Cathode DP4 Cathode DP7 Cathode A Cathode F Cathode B Cathode C Cathode Dig.1 E Cathode G NO PIN NO PIN
LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
PART NO. LFD3A5/62-XX/RP75-PF Page 4/8
Absolute Maximum Ratings at Ta=25
Ratings Parameter Symbol G Forward Current Per Chip Peak Forward Current Per Chip (Duty 1/10,0.1ms Pulse Width) Power Dissipation Per Chip Reverse Current Per Any Chip Operating Temperature Storage Temperature IF 30 mA mA UNIT
IFP
120
PD Ir Topr Tstg
100 10 -25 ~ +85 -25 ~ +85
mW
A
Solder Temperature 1/16 Inch Below Seating Plane For 3 Seconds At 260
Part Selection And Application Information(Ratings at 25)
Electrical
PART NO
common cathode or anode Material Emitted
CHIP Common Cathode GaP Green Common Anode
P (nm)
(nm)
Vf(v)
Iv(mcd)
IV-M
Min. Typ. Max. Min. Typ.
LFD3A52-XX-RP75-PF
565
30
1.7
2.1
2.6
0.8
1.35
2:1
LFD3A62-XX-RP75-PF
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. LFD3A5/62-XX/RP75-PF Page 5/8
Test Condition For Each Parameter
Parameter Forward Voltage Per Chip Luminous Intensity Per Chip Peak Wavelength Spectral Line Half-Width Reverse Current Any Chip Luminous Intensity Matching Ratio
Symbol Vf Iv
Unit volt mcd nm nm
Test Condition If=20mA If=10mA If=20mA If=20mA Vr=5V
P
Ir IV-M
A
LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
PART NO. LFD3A5/62-XX/RP75-PF Page 6/8
Typical Electro-Optical Characteristics Curve
G CHIP
Fig.1 Forward current vs. Forward Voltage Fig.2 Relative Intensity vs. Forward Current
3.5
1000
Forward Current(mA)
100
Relative Intensity Normalize @20mA
1.0 2.0 3.0 4.0 5.0
3.0 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
Forward Current(mA) Fig.4 Relative Intensity vs. Temperature
3.0 2.5 2.0 1.5 1.0 0.5 0.0 -40 -20 0 20 40 60 80 100
Forward Voltage@20mA Normalize @25
1.1 1.0 0.9 0.8 -40 -20 0 20 40 60 80 100
Relative Intensity@20mA Normalize @25
1.2
Ambient Temperature()
Ambient Temperature()
Fig.5 Relative Intensity vs. Wavelength
Fig.6 Directive Radiation
Relative Intensity@20mA
1.0
0.5
0.0 500 550 600 650
Wavelength (nm)
LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
PART NO. LFD3A5/62-XX/RP75-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 only) Distance:Solder Temperature 1/16 Inch Below Seating Plane For 3 Seconds At 260C 2.Wave Soldering Profile Dip Soldering Preheat: 120C Max Preheat time: 60seconds Max Ramp-up 2 C/sec(max) Ramp-Down:-5 C/sec(max) Solder Bath:260C 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
2 /sec max
25 0
0
Preheat
60 Seconds Max
50
100
150
Time(sec)
Note: 1.Wave solder should not be made more than one time. 2.You can just only select one of the soldering conditions as above.
LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only
PART NO. LFD3A5/62-XX/RP75-PF Page 8/8
Reliability Test:
Test Item
Test Condition
1.Under Room Temperature 2.If=10mA 3.t=1000 hrs (-24hrs, +72hrs)
Description
This test is conducted for the purpose of detemining the resistance of a part in electrical and themal stressed.
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)
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.
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 hours.
MIL-STD-202:103B JIS C 7021: B-11
Thermal Shock Test
1.Ta=105 5&-405 (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.
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
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

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