LightKey LD2841AO Ld2841a/b series - 0.28 inch four digit 7 segment led display Datasheet

LightKey
Datasheet of 0.28 inch Four Digit 7 Segment LED Display
LD2841A/B Series - 0.28 inch Four Digit 7 Segment LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
Available options
¾
7.00 mm (0.28inch) digit high
¾
¾
Excellent digit appearance
¾
Wide viewing angle
¾
Range of emitted colors
¾
I.C. compatible
¾
Low power consumption
¾
White segment
¾
RoHS compliant
Alternative emitting luminosity:
Standard or high brightness version
¾
¾
¾
¾
¾
Alternative emitted color
Alternative segment color
Alternative font
Common Cathode is available
Cropped terminal pins
Package Dimensions
4.50
0.85
0.95
10.10
F
D6
D2
PIN1
8.00
4.00 4.00
A
D5
7.00(.28")
10.0°
G
B
C
E
D
D3
D4
8.00
6.70
0.50
5.80
32.20
0.45
7.62
2.54*5=12.70
Notes:
1. All dimensions are in millimeters(inches), Tolerance is + 0.25mm(0.01inch)unless other wise noted.
2. Specifications are subject to change without notice.
3. The gap between the reflector and PCB shall not exceed 0.25mm.
SPEC NO: DS10121595
REV: A.4
HTTP://WWW.DISPLAY-LEDS.COM
CHECKED: Emily Zhou
APPROVED: M.H. Lin
TEL: 0086-574-86322282
PAGE: 1/3
DATE: Jul/20/2011
LightKey
Datasheet of 0.28 inch Four Digit 7 Segment LED Display
Internal Circuit Diagram
LD2841A (Common Cathode)
LD2841B (Common Anode)
Selection Guide
Four Digits 7 Segment LED Display, Digit Height: 7.00mm(0.28inch), External Dimensions:
32.20x10.10x5.80mm (L x W x H)
Part No.
Chip
Common
Common
Cathode
Anode
Material
Color
WLD
Iv@IF=20mA
Iv@IF=20mA
One Seg
One DP
Min.
Typ.
Min.
Typ.
LD2841AR
LD2841BR
GaAlAs
Super Red
640
8
10
8
10
LD2841AD
LD2841BD
GaAlAs
Hi-Red
640
18
25
18
25
LD2841AO
LD2841BO
GaAsP
Orange
625
7
9
7
9
LD2841AY
LD2841BY
GaAsP
Yellow
588
8
10
8
10
LD2841AG
LD2841BG
GaP
Green
568
7
9
7
9
LD2841AUR
LD2841BUR
AlGaInP
Ultra Red
640
30
45
30
45
LD2841AUO
LD2841BUO
AlGaInP
Ultra Orange
625
45
60
45
60
LD2841AUA
LD2841BUA
AlGaInP
Ultra Amber
605
30
45
30
45
LD2841AUY
LD2841BUY
AlGaInP
Ultra Yellow
595
30
45
30
45
LD2841AUG
LD2841BUG
AlGaInP
Ultra Green
573
30
45
30
45
LD2841APG
LD2841BPG
InGaN
Pure Green
525
120
300
120
300
LD2841AUB
LD2841BUB
InGaN
Ultra Blue
470
30
45
30
45
LD2841AUW
LD2841BUW
InGaN
Ultra White
\
100
120
100
120
Unit:
\
\
\
nm
mcd
mcd
mcd
mcd
SPEC NO: DS10121595
REV: A.4
HTTP://WWW.DISPLAY-LEDS.COM
CHECKED: Emily Zhou
APPROVED: M.H. Lin
TEL: 0086-574-86322282
PAGE: 2/3
DATE: Jul/20/2011
LightKey
Datasheet of 0.28 inch Four Digit 7 Segment LED Display
Electrical Characteristics & Absolute Maximum Ratings
Electrical Characteristics[1]
Forward
Color
Reverse
Voltage@
Current
IF=20mA
Super Red
Hi-Red
Orange
Yellow
Green
Ultra Red
Ultra
Orange
Ultra
Amber
Ultra
Yellow
Ultra
Green
Pure
Green
Ultra Blue
Ultra White
Unit:
Absolute Maximum Ratings[1]
VR=5V
Power
Dissipation
DC
Peak
Forward
Forward
Current
Current[2]
Typ.
Max.
Per Seg.
1.8
2.2
30
60
25
100
Per DP
1.8
2.2
30
60
25
100
Per Seg.
1.8
2.2
30
60
25
100
Per DP
1.8
2.2
30
60
25
100
Per Seg.
2.1
2.5
30
80
30
100
Per DP
2.1
2.5
30
80
30
100
Per Seg.
2.1
2.5
30
80
30
100
Per DP
2.1
2.5
30
80
30
100
Per Seg.
2.2
2.5
30
80
30
100
Per DP
2.2
2.5
30
80
30
100
Per Seg.
1.9
2.6
30
60
30
100
Per DP
1.9
2.6
30
60
30
100
Per Seg.
2
2.6
30
65
30
100
Per DP
2
2.6
30
65
30
100
Per Seg.
2
2.6
30
65
30
100
Per DP
2
2.6
30
65
30
100
Per Seg.
2
2.6
30
65
30
100
Per DP
2
2.6
30
65
30
100
Per Seg.
2.1
2.6
30
75
30
100
Per DP
2.1
2.6
30
75
30
100
Per Seg.
3.5
4
30
110
30
100
Per DP
3.5
4
30
110
30
100
Per Seg.
3.5
4
30
120
30
100
Per DP
3.5
4
30
120
30
100
Per Seg.
3.5
4
30
120
30
100
Per DP
3.5
4
30
120
30
100
V
V
uA
mW
mA
mA
\
Notes:
1. At Ta = 25 °C.
2. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.
SPEC NO: DS10121595
REV: A.4
HTTP://WWW.DISPLAY-LEDS.COM
CHECKED: Emily Zhou
APPROVED: M.H. Lin
TEL: 0086-574-86322282
PAGE: 3/3
DATE: Jul/20/2011
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