Luckylight
Spec No: W12088A/B Rev No: V.2 Date: Mar/25/2008 Page: 1OF 6
Approved: JoJo Checked: Sun Drawn: Liu
Lucky Light Electronics Co., Ltd. http://www.luckylightled.com
Model No.: KWM-30881XWB-Y
3.0mm (1.2") 8×8 White
Dot Matrix LED Displays
Technical Data Sheet
Luckylight
Spec No: W12088A/B Rev No: V.2 Date: Mar/25/2008 Page: 2OF 6
Approved: JoJo Checked: Sun Drawn: Liu
Lucky Light Electronics Co., Ltd. http://www.luckylightled.com
Features:
Descriptions:
Applications:
Device Selection Guide:
Model No. Chip Material Face Color Descriptions
KWM-30881AWB-Y InGaN Black Row Anode
KWM-30881CWB-Y Black Row Cathode
◇1.2inch (32.00mm) Matrix height.
◇Colors: white.
◇Flat package and light weight.
◇Easy assembly.
◇High quality and low cost.
◇High reliable and intensity.
◇Low power requirement.
◇The product itself will remain within RoHS compliant version.
◇The KWM-30881 series is a large emitting area (3.0mm diameter) LED sources
configured in a 64 dots 8*8 matrix array.
◇These devices are made with yellow dots and black surface.
◇Audio equipment.
◇Instrument panels.
◇Digitalreadoutdisplay.
Luckylight
Spec No: W12088A/B Rev No: V.2 Date: Mar/25/2008 Page: 3OF 6
Approved: JoJo Checked: Sun Drawn: Liu
Lucky Light Electronics Co., Ltd. http://www.luckylightled.com
Package Dimension:
PIN 1
+
COL.
ROW.
1
8
PIN 16
+
8 [0.315]
Φ0.5 [0.020]
4*7=28 [1.103]
32 [1.261]
4*7=28 [1.10'']
32 [1.261]
Φ3 [ Φ0.118]
2345678
7
6
5
4
3
2
1
++
PIN 8
PIN 9
MODEL NO.
24 [0.946]
5.3 [0.209]±0.5
2.54*7=17.78 [0.701]
KWM-30881AWB-Y KWM-30881CWB-Y
ROW
1
COL. 1
PIN
2
4
3
5
7
6
1
12
8
14
9
2
7
NO.
13 3 4 10 6
PIN
NO.
2345678
11 15 16
8585
72
67
51
412
38
214
19
87654321COL.
ROW NO.
PIN
13
PIN
NO. 3 6410 11 15 16
NOTES: All dimensions are in millimeters (inches) tolerance are ±0.25mm (0.01inch) unless
otherwise noted.
Luckylight
Spec No: W12088A/B Rev No: V.2 Date: Mar/25/2008 Page: 4OF 6
Approved: JoJo Checked: Sun Drawn: Liu
Lucky Light Electronics Co., Ltd. http://www.luckylightled.com
Absolute Maximum Ratings at Ta=25℃
Parameters Symbol Max. Unit
Power Dissipation Per Dot PD 100 mW
Peak Forward Current Per Dot
(1/10 Duty Cycle, 0.1ms Pulse Width) IFP 100 mA
Forward Current Per Dot IF 25 mA
Dating Linear From 50℃0.4 mA/℃
Reverse Voltage VR 5 V
Operating Temperature Range Topr -40℃to +80℃
Storage Temperature Range Tstg -40℃to +85℃
Soldering Temperature Tsld 260℃for 5 Seconds
Electrical Optical Characteristics at Ta=25℃
Parameters Symbol Min. Typ. Max. Unit Test Condition
Luminous Intensity
(Note 1) * IV 45.0 90.0 --- mcd IF=20mA
Luminous Intensity
Matching Ratio
(Dot To Dot) Iv-m --- --- 2:1 IF=10mA
Chromaticity Coordinates
(Note 2)
X --- 0.28 --- IF=20mA
Y --- 0.29 ---
Forward Voltage VF --- 3.2 4.0 V IF=20mA
Reverse Current IR --- --- 50 µA VR=5V
Notes:
1. Luminous Intensity Measurement allowance is ± 10%.
2. It use many parameters that correspond to the CIE 1931 2°. X, Y, and Z are CIE 1931 2°
values of Red, Green and Blue content of the measurement.
Luckylight
Spec No: W12088A/B Rev No: V.2 Date: Mar/25/2008 Page: 5OF 6
Approved: JoJo Checked: Sun Drawn: Liu
Lucky Light Electronics Co., Ltd. http://www.luckylightled.com
Typical Electrical / Optical Characteristics Curves
(25℃Ambient Temperature Unless Otherwise Noted)
Luminous Intensity &
Ambient Temperature
Relative Luminous Intensity (%)
1
1000
-60
Ambient Temperature Ta ( )
℃
100
10
-40 -20 0 20 40 60 80 100
Luminous Intensity & Forward Current
Relative Luminous Intensity (%)
1
1000
10
Forward Current IF (mA)
100
10
0101102103
Forward Current Derating Curve
Forward Current IF (mA)
0
Ambient Temperature Ta ( )
℃
f=1KHz
Duty=1/10
Ta=25℃
20 40 60 80 100
Spectrum Distribution
Relative Luminous Intensity (%)
Ta=25℃
0
400
100
300 500 600 700 800
Wavelength λp (nm)
75
50
25
Forward Current & Forward Voltage
Forward Current IF (mA)
Ta=25℃
2.5 2.7 2.9 3.1 3.3 3.5 3.7
Forward Voltage VF (V)
0
10
20
30
40
50
25
0
10
20
30
40
50
Luckylight
Spec No: W12088A/B Rev No: V.2 Date: Mar/25/2008 Page: 6OF 6
Approved: JoJo Checked: Sun Drawn: Liu
Lucky Light Electronics Co., Ltd. http://www.luckylightled.com
Please read the following notes before using the datasheets:
1. Over-current-proof
Customer must apply resistors for protection, otherwise slight voltage shift will cause big current
change (Burn out will happen).
2. Storage
2.1 If the package contains a moisture proof bag inside, please don't open the package before
using.
2.2 Before opening the package, the LEDs should be kept at 30℃or less and 80%RH or less.
2.3 The LEDs should be used within a year.
2.4 After opening the package, the LEDs should be kept at 30℃or less and 60%RH or less.
3. Soldering Iron
Each terminal is to go to the tip of soldering iron temperature less than 260℃for 5 seconds
within once in less than the soldering iron capacity 25W. Leave two seconds and more intervals,
and do soldering of each terminal. Be careful because the damage of the product is often started
at the time of the hand solder.
4. Soldering
When soldering, for Lamp without stopper type and must be leave a minimum of 3mm clearance
from the base of the lens to the soldering point.
To avoided the Epoxy climb up on lead frame and was impact to non-soldering problem, dipping
the lens into the solder must be avoided.
Do not apply any external stress to the lead frame during soldering while the LED is at high
temperature.
Recommended soldering conditions:
Soldering Iron Wave Soldering
Temperature
Soldering Time 300℃Max.
3sec.Max.
(one time only)
Pre-heat
Pre-heat Time
Solder Wave
Soldering Time
100℃Max.
60 sec. Max.
260℃Max.
5sec.Max.
Note: Excessive soldering temperature and / or time might result in deformation of the LED lens or catastrophic
failure of the LED.
5. Repairing
Repair should not be done after the LEDs have been soldered. When repairing is unavoidable, a
double-head soldering iron should be used . It should be confirmed beforehand whether the
characteristics of the LEDs will or will not be damaged by repairing.
6. Caution in ESD
Static Electricity and surge damages the LED. It is recommended to use a wrist band or
anti-electrostatic glove when handling the LED. All devices equipment and machinery must be
properly grounded.
