LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
SUPER BRIGHT ROUND TYPE LED LAMPS
Pb
Lead-Free Parts
LHE2643-1-PF
DATA SHEET
DOC. NO :
REV.
DATE
:
:
QW0905- LHE2643-1-PF
A
17 - May.- 2005
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LHE2643-1-PF
Page 1/5
Package Dimensions
2.9
3.1
3.3
4.3
1.5MAX
25.0MIN
□0.5
TYP
1.0MIN
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
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LHE2643-1-PF
Page 2/5
Absolute Maximum Ratings at Ta=25
℃
Ratings
Parameter
Symbol
HE
Forward Current
Peak Forward Current
Duty 1/10@10KHz
Power Dissipation
Reverse Current @5V
Electrostatic Discharge
Operating Temperature
Storage Temperature
Soldering Temperature
I
F
I
FP
PD
Ir
ESD
T
opr
Tstg
Tsol
30
60
75
10
2000
-40 ~ +85
-40 ~ +100
Max 260
℃
for 5 sec Max
(2mm from body)
mA
mA
mW
UNIT
μ
A
V
℃
℃
Typical Electrical & Optical Characteristics (Ta=25
℃
)
PART NO
MATERIAL
Emitted
COLOR
Lens
Forward
Dominant
Spectral
voltage
wave
halfwidth
length
△λ
nm
@ 20mA(V)
λ
Dnm
Luminous
intensity
@20mA(mcd)
Viewing
angle
2
θ
1/2
(deg)
Min. Max. Min.
620
17
1.7
2.6
350
Typ.
700
40
LHE2643-1-PF AlGaInP
Orange Water Clear
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. LHE2643-1-PF
Page3/5
Typical Electro-Optical Characteristics Curve
HE CHIP
Fig.1 Forward current vs. Forward Voltage
Fig.2 Relative Intensity vs. Forward Current
1000
3.5
Forward Current(mA)
100
10
1.0
0.1
1.0
1.5
2.0
2.5
3.0
Relative Intensity
Normalize @20mA
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.0
10
100
1000
Forward Voltage(V)
Fig.3 Forward Voltage vs. Temperature
1.2
Forward Current(mA)
Fig.4 Relative Intensity vs. Temperature
2.0
Relative Intensity@20mA
Normalize @25
℃
80
100
Forward Voltage@20mA
Normalize @25
℃
1.1
1.5
1.0
1.0
0.9
0.5
0.8
-40
-20
0
20
40
60
0.0
-40
-20
0
20
40
60
80
100
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
1.0
Relative Intensity@20mA
0.5
0.0
550
600
650
700
Wavelength (nm)
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LHE2643-1-PF
Page 4/5
Wave soldering Profile
Temp(° C)
245° C 5sec Max
245°
5° /sec
max
3° /sec
max
Soldering
Soldering Iron:30W Max
Temperature 300° C Max
Soldering Time:3 Seconds Max
Distance:2mm Min(From solder joint to case)
120°
25°
120 Seconds Max
Preheat
Dip Soldering
Preheat: 120° C Max
Time(sec)
Preheat time: 120 seconds Max
Ramp-up
3° C/sec(max)
Ramp-Down:-5° C/sec(max)
Solder Bath:245° C Max
Dipping Time:5 seconds Max
Distance:2mm Min(From solder joint to case)
Wave Soldering Profile (Pb Free)
Temp(° C)
265° C 5sec Max
265°
5° /sec
max
3° /sec
max
Soldering
Soldering Iron:30W Max
Temperature:350 ° CMax
Soldering Time:3seconds Max
Distance:2mm Min(From solder joint to case)
140°
25°
120 Seconds Max
Preheat
Dip Soldering
Preheat: 140° C Max
Preheat time: 120seconds Max
Time(sec)
Ramp-up
3° C/sec(max)
Ramp-Down:-5° C/sec(max)
Solder Bath:265° C Max
Dipping Time:5 seconds Max
Distance:2mm Min(From solder joint to case)