Luckylight
0.31" Dual Digit Numeric Displays
Technical Data Sheet
Model No.: KW4-311XGA
Spec No.: C3412AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Drawn: Zhang
Page: 1 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
Luckylight
Features:
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0.31″ (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 KW4-311XXX series is a lager 8.00mm (0.31″) high seven segments display
designed for
These displays provide excellent reliability in bright ambient light.
These devices are made with white segments and gray surface
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Applications:
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Audio equipment.
Instrument panels.
Digital read out display.
Device Selection Guide:
Model No.
KW4-311AGA
GaP
KW4-311CGA
Yellow Green
Common Cathode
Chip
Material
Source Color
Yellow Green
Description
Common Anode
Spec No.: C3412AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Drawn: Zhang
Page: 2 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
Luckylight
Package Dimension:
KW4-311AGA
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
KW4-311CGA
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.: C3412AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Drawn: 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.
70
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
1.5
563
565
24
1.7
---
3.0
568
570
29
2.1
---
---
573
575
34
2.8
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. 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.: C3412AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Drawn: 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 @ 568nm)
1.0
0.8
Normalized
Response
0.6
0.4
0.2
0.0
420
440
460
480
500
520
540
560
580
600
620
640
660
680
700
720
740
Wave Length(nm)
Spec No.: C3412AB
Approved: JoJo
Rev No.: V.2
Checked: Wu
Date: Nov/03/2005
Drawn: Zhang
Page: 5 OF 6
Lucky Light Electronics Co., Ltd.
Http://www.luckylight.cn
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