LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
LED ARRAY
Pb
Lead-Free Parts
LA251W/YSBKS-PF
DATA SHEET
DOC. NO :
REV.
DATE
:
:
QW0905-LA251W/YSBKS-PF
C
18 - May. - 2006
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LA251W/YSBKS-PF
Page 1/6
Package Dimensions
7.5
6.0
5.9
5.0±0.5
7.1
5.0
18.75
15.0
□
0.5TYP
3.5±0.5
SBKS
Y
3.0
1.5
2.54TYP
1 2 3
2.54TYP
3.5
6.8±0.5
2.7
-
1
+
2
-
3
1.CATHODE BLUE
2.COMMON ANODE
3.CATHODE YELLOW
LYSBKS3392/R1
5.0
5.9
7.6 8.6
10.5
±
0.5
1.5
MAX
SBKS
Y
□
0.5
TYP
18.0MIN
1
2
3
-
1
+
2
-
3
1.CATHODE BLUE
2.COMMON ANODE
3.CATHODE YELLOW
2.0MIN
2.0MIN
2.54TYP
2.54TYP
Note : 1.All dimension are in millimeter 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. LA251W/YSBKS-PF
Page 2/6
Absolute Maximum Ratings at Ta=25
℃
Ratings
Parameter
Symbol
Y
Forward Current
Peak Forward Current
Duty 1/10@10KHz
Power Dissipation
Reverse Current @5V
Electrostatic Discharge( * )
Operating Temperature
Storage Temperature
I
F
I
FP
PD
Ir
ESD
T
opr
Tstg
20
80
60
10
---
-20 ~ +80
-30 ~ +100
SBKS
30
100
120
50
500
mA
mA
mW
UNIT
μ
A
V
℃
℃
Electricity or power surge will
the
Use of
anti-electrosatic
*
Static is recommended when handingdamageLED.LED.devices, a conductive wrist band or must be properly
glove
these
All
equipment and machinery
grounded.
Typical Electrical & Optical Characteristics (Ta=25
℃
)
PART NO
COLOR
MATERIAL
Peak Dominant Spectral
wave
wave halfwidth
length length
△λ
nm
λ
Pnm
λ
Dnm
Forward
voltage
@20mA(V)
Luminous
Viewing
intensity
angle
@20mA(mcd) 2
θ
1/2
(deg)
Emitted
GaAsP/GaP
LA251W/YSBKS-PF
Lens
585
White Diffused
----
----
475
35
26
Min. Typ. Max. Min.
1.7
----
----
3.5
2.6
4.2
5.0
12
Typ.
9.0
21
76
76
Yellow
Blue
InGaN/SiC
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. LA251W/YSBKS-PF
Page3/6
Typical Electro-Optical Characteristics Curve
Y CHIP
Fig.1 Forward current vs. Forward Voltage
1000
Fig.2 Relative Intensity vs. Forward Current
3.0
Forward Current(mA)
100
10
1.0
Relative Intensity
Normalize @20mA
1.0
2.0
3.0
4.0
5.0
2.5
2.0
1.5
1.0
0.5
0.0
1.0
10
100
1000
0.1
Forward Voltage(V)
Fig.3 Forward Voltage vs. Temperature
1.2
Forward Current(mA)
Fig.4 Relative Intensity vs. Temperature
Forward Voltage@20mA
Normalize @25
℃
Relative Intensity@20mA
Normalize @25
℃
-40
-20
0
20
40
60
80
100
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20
0
20
40
60
80
100
1.1
1.0
0.9
0.8
Ambient Temperature(
℃
)
Ambient Temperature(
℃
)
Fig.5 Relative Intensity vs. Wavelength
Relative Intensity@20mA
1.0
0.5
0.0
500
550
600
650
700
Wavelength (nm)
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LA251W/YSBKS-PF
Page 4/6
Typical Electro-Optical Characteristics Curve
SBK-S CHIP
Fig.1 Forward current vs. Forward Voltage
30
25
20
15
10
5
0
1
2
3
4
5
Fig.2 Relative Intensity vs. Forward Current
Forward Current(mA)
1.5
Relative Intensity
Normalize @20mA
1.25
1.0
0.75
0.5
0.25
0
0
5
10
15
20
25
30
Forward Voltage(V)
Forward Current(mA)
Fig.3 Forward Current vs. Temperature
Fig.4 Relative Intensity vs. Wavelength
Forward Current@20mA
30
20
10
0
0
25
50
75
100
Relative Intensity@20mA
40
1.0
0.5
0
380
430
480
530
580
630
680
Ambient Temperature(
℃
)
Wavelength (nm)