Luckylight
0.40" Triple Half Digit Numeric Displays
Technical Data Sheet
Model No.: KWF-402XSB
Spec No.: C4406AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Draw: Zhang
Page: 1 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
Luckylight
Features:
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0.40″ (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:
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The KWF-402XXX series is a lager 10.160mm (0.40″) 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.
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Applications:
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Audio equipment.
Instrument panels.
Digital read out display.
Device Selection Guide:
Part No.
KWF-402ASB
KWF-402CSB
Chip Material
GaAlAs
Source Color
Super Bright Red
Super Bright Red
Description
Common Anode
Common Cathode
Spec No.: C4406AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Draw: Zhang
Page: 2 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
Luckylight
Package Dimension:
KWF-402ASB
KWF-402CSB
1
(COM)
DIG.1
5
(COM)
DIG.2
6
(COM)
DIG.3
10
(COM)
DIG.4
1
(COM)
DIG.1
5
(COM)
DIG.2
6
(COM)
DIG.3
10
(COM)
DIG.4
B
C DP
A
B
C
D
E
F
G
A
B
C
D
E
F
G
A
B
C
D
E
F
G
B
C DP
A
B
C
D
E
F
G
A
B
C
D
E
F
G
A
B
C
D
E
F
G
3
11 2
4
9
8
7
3
11 2
4
9
8
7
Notes:
1.
2.
3.
All dimensions are in millimeters (inches).
Tolerance is ± 0.25 (.010″) mm unless otherwise noted.
Specifications are subject to change without notice.
Spec No.: C4406AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Draw: Zhang
Page: 3 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
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
Derating 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 +100℃
260℃ for 5 Seconds
Electrical Optical Characteristics at Ta=25℃
Parameters
Luminous Intensity
Peak Emission Wavelength
Dominant Wavelength
Spectral Line Half-Width
Forward Voltage
Reverse Current
Symbol Min. Typ. Max.
Iv
λp
λd
△λ
VF
IR
1.6
---
---
---
---
---
3.0
660
640
24
1.85
---
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---
---
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2.4
10
Unit
mcd
nm
nm
nm
V
µA
Test Condition
IF=20mA (Note 1)
IF=20mA
IF=20mA (Note 2)
IF=20mA
IF=20mA
VR=5V
Notes:
1.
L
uminous 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 wavel
ength which defines the color of the device.
Spec No.: C4406AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Draw: Zhang
Page: 4 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
Luckylight
Typical Electrical / Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
Spectral Radiance (Peak @ 660nm)
1.0
0.8
Normalized
Response
0.6
0.4
0.2
0.0
520
540
560
580
600
620
640
660
680
700
720
740
760
780
Wave Length(nm)
Spec No.: C4406AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Draw: Zhang
Page: 5 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
