lvg4731.pdf

LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
SUPER BRIGHT CYLINDRICAL TYPE LED LAMPS
LVG4731
DATA SHEET
DOC. NO
:
QW0905- LVG4731
REV.
:
A
DATE
: 03 - Mar - 2005
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
Page 1/4
PART NO. LVG4731
Package Dimensions
5.0
5.9
5.8
6.7
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
0°
-30°
30°
-60°
100% 75% 50%
60°
25%
0
25% 50% 75% 100%
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
Page 2/4
PART NO. LVG4731
Absolute Maximum Ratings at Ta=25 ℃
Ratings
Symbol
Parameter
UNIT
VG
Forward Current
IF
30
mA
Peak Forward Current
Duty 1/10@10KHz
IFP
120
mA
Power Dissipation
PD
100
mW
Reverse Current @5V
Ir
10
μA
Operating Temperature
Topr
-40 ~ +85
℃
Storage Temperature
Tstg
-40 ~ +100
℃
Soldering Temperature
Tsol
Max 260 ℃ for 5 sec Max
(2mm from body)
Typical Electrical & Optical Characteristics (Ta=25 ℃)
PART NO
COLOR
MATERIAL
Emitted
LVG4731
GaP
Green
Peak
wave
length
λPnm
Spectral
halfwidth
△λnm
Lens
Green Transparent
565
30
Forward
voltage
@20mA(V)
Luminous
intensity
@20mA(mcd)
Min.
Max.
Min.
Typ.
1.7
2.6
15
28
Note : 1.The forward voltage data did not including ±0.1V testing tolerance.
2. The luminous intensity data did not including ±15% testing tolerance.
Viewing
angle
2θ1/2
(deg)
100
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LVG4731
Page 3/4
Typical Electro-Optical Characteristics Curve
VG 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
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
500
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(℃)
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
650
80
100
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
Page 4/4
PART NO. LVG4731
Reliability Test:
Test Item
Test Condition
Description
Reference
Standard
Operating Life Test
1.Under Room Temperature
2.If=20mA
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