Luckylight
0.80" Quadruple Digit Numeric Displays
Technical Data Sheet
Model No.:KW4-802XSB
Spec No.: W8041C/D
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date:Sep/03/2009
Drawn: Sun
Page: 1 OF 6
Lucky Light Electronics Co., Ltd.
http://www.luckylightled.com
Luckylight
Features:
◇
◇
◇
◇
◇
0.80″ (inch) digit height.
Excellent segment uniformity.
Sold state reliability.
Industrial standard size.
Low power consumption.
◇
The product itself will remain within RoHS compliant Version.
Descriptions:
◇
The KW4-802XXX series is a lager 20.4mm (0.80") high seven segments display designed
for viewing distances up to 7 meters.
These displays provide excellent reliability in bright ambient light.
These devices are made with white segments and black surface.
◇
◇
Applications:
◇
◇
Audio equipment.
Instrument panels.
◇
Digital read out display.
Device Selection Guide:
Model No.
KW4-802ASB
KW4-802CSB
Chip Material
GaAlAs
Source Color
Super Bright Red
Super Bright Red
Description
Common Anode
Common Cathode
Spec No.: W8041C/D
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date:Sep/03/2009
Drawn: Sun
Page: 2 OF 6
Lucky Light Electronics Co., Ltd.
http://www.luckylightled.com
Luckylight
Package Dimension:
PIN 12
PIN 1
DIG1
A
F
E
D
G
B
C
DP
DIG2
DIG3
DIG4
KW4-802ASB
12
(COM)
DIG.1
9
(COM)
DIG.2
8
(COM)
DIG.3
6
(COM)
DIG.4
A
B
C
D
E
F
G DP
A
B
C
D
E
F
G DP
A
B
C
D
E
F
G DP
A
B
C
D
E
F
G DP
11 7
4
2
1 10 5
3
KW4-802CSB
12
(COM)
DIG.1
9
(COM)
DIG.2
8
(COM)
DIG.3
6
(COM)
DIG.4
A
B
C
D
E
F
G DP
A
B
C
D
E
F
G DP
A
B
C
D
E
F
G DP
A
B
C
D
E
F
G DP
11 7
4
2
1 10 5
3
Notes:
1.All dimensions are in millimeters (inches).
2.Tolerance is ± 0.25 mm (.010") unless otherwise noted.
3.Specifications are subject to change without notice.
Spec No.: W8041C/D
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date:Sep/03/2009
Drawn: Sun
Page: 3 OF 6
Lucky Light Electronics Co., Ltd.
http://www.luckylightled.com
Luckylight
Absolute Maximum Ratings at Ta=25℃
Parameters
Power Dissipation Per Segment
Peak Forward Current Per Segment
(1/10 Duty Cycle, 0.1ms Pulse Width)
Forward Current Per Segment
Dating Linear From 50℃
Reverse Voltage
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
VR
Topr
Tstg
Tsld
Symbol
PD
IFP
IF
Max.
60
100
25
0.4
5
Unit
mW
mA
mA
mA/℃
V
-40℃ to +80℃
-40℃ to +85℃
260℃ for 5 Seconds
Electrical Optical Characteristics at Ta=25℃
Parameters
Luminous Intensity
Luminous Intensity Matching
Ratio (Segment To Segment)
Peak Emission Wavelength
Dominant Wavelength
Spectral Line Half-Width
Forward Voltage
Reverse Current
Symbol Min. Typ. Max. Unit
Iv
I
v-m
λp
λd
△λ
VF
IR
6.0
---
---
---
---
---
---
12.0
---
660
640
20
1.8
---
---
2:1
---
---
---
2.4
50
nm
nm
nm
V
µA
mcd
Test Condition
IF=20mA (Note 1)
IF=10mA
IF=20mA
IF=20mA (Note 2)
IF=20mA
IF=20mA
VR=5V
Notes:
1. Luminous intensity is measured with a light sensor and filter combination that
approximates the CIE eye-response curve.
2. The dominant wavelength (λd) is derived from the CIE chromaticity diagram and
represents the single wavelength which defines the color of the device.
Spec No.: W8041C/D
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date:Sep/03/2009
Drawn: Sun
Page: 4 OF 6
Lucky Light Electronics Co., Ltd.
http://www.luckylightled.com
Luckylight
Typical Electrical / Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
Spectrum Distribution
Ta=25℃
Relative Luminous Intensity (%)
100
75
50
25
0
500
550 600 650 700
Wavelength
λp
(nm)
750
Forward Current & Forward Voltage
Ta=25℃
Forward Current Derating Curve
50
Forward Current IF (mA)
40
30
25
20
10
0
50
Forward Current IF (mA)
40
30
20
10
0
1.4 1.8 2.2 2.6 3.0
Forward Voltage VF (V)
3.4
0
20
40
60
80 100
Ambient Temperature Ta (
℃
)
Relative Luminous Intensity (%)
1000
Relative Luminous Intensity (%)
Luminous Intensity &
Ambient Temperature
Luminous Intensity & Forward Current
Ta=25℃
1000
f=1KHz
Duty=1/10
100
100
10
10
1
-60 -40 -20 0 20 40 60 80 100
Ambient Temperature Ta (
℃
)
1
0
10
10
10
10
Forward Current IF (mA)
1
2
3
Spec No.: W8041C/D
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date:Sep/03/2009
Drawn: Sun
Page: 5 OF 6
Lucky Light Electronics Co., Ltd.
http://www.luckylightled.com
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