LIGITEK LDBK42741

LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
TOWER TYPE LED LAMPS
Pb
Lead-Free Parts
LDBK42741
DATA SHEET
DOC. NO :
QW0905-LDBK42741
REV.
:
A
DATE
:
22 - Oct. -2008
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
Page 1/5
PART NO. LDBK42741
Package Dimensions
3.86
3.62
2.92
2.35
2.95
1.5MAX
□0.5
TYP
25.0MIN
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 2/5
PART NO. LDBK42741
Absolute Maximum Ratings at Ta=25 ℃
Ratings
Symbol
Parameter
UNIT
DBK
Forward Current
IF
30
mA
Peak Forward Current
Duty 1/10@10KHz
IFP
100
mA
Power Dissipation
PD
120
mW
Reverse Current @5V
Ir
50
μA
Electrostatic Discharge
ESD
500
V
Operating Temperature
Topr
-20 ~ +80
℃
Storage Temperature
Tstg
-30 ~ +100
℃
Typical Electrical & Optical Characteristics (Ta=25 ℃)
PART NO
COLOR
MATERIAL
Emitted
LDBK42741
InGaN/GaN Blue
Dominant
wave
length
λDnm
Spectral Forward
halfwidth voltage
△λ nm @ 20mA(V)
@20mA(mcd)
Viewing
angle
2θ 1/2
(deg)
Typ. Max. Min. Typ.
Lens
Blue Transparent
Luminous
intensity
470
30
3.5
Note : 1.The forward voltage data did not including ±0.1V testing tolerance.
2. The luminous intensity data did not including ±15% testing tolerance.
4.0 1100 2200
30
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LDBK42741
Page 3/5
Typical Electro-Optical Characteristics Curve
DBK 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
01
2.5
2.0
1.5
1.0
0.5
0.0
1.0
2.0
3.0
4.0
5.0
1
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
400
450
500
Wavelength (nm)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20
0
20
40
60
80
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
550
100
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LDBK42741
Page 4/5
Soldering Condition(Pb-Free)
1.Iron:
Soldering Iron:30W Max
Temperature 350°C Max
Soldering Time:3 Seconds Max(One time only)
Distance:2mm Min(From solder joint to body)
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:2mm Min(From solder joint to body)
Temp(° C)
260° C3sec Max
260°
5° /sec
max
120°
25°
0° 0
2° /sec
max
Preheat
60 Seconds Max
50
100
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.
150
Time(sec)
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Page 5/5
PART NO. LDBK42741
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 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