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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
¾ 7.00 mm (0.28inch) digit high
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
Available options
¾ Alternative emitting luminosity:
Standard or high brightness version
¾ Alternative emitted color
¾ Alternative segment color
¾ Alternative font
¾ Common Cathode is available
¾ Cropped terminal pins
Package Dimensions
10.0°
4.50
0.85
0.95
PIN1
8.00 4.00 4.00 8.00
32.20
D5
D6
D2
A
F GB
EC
D3 D D4
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 CHECKED: Emily Zhou APPROVED: M.H. Lin PAGE: 1/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
http://www.Datasheet4U.com
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
Iv@IF=20mA Iv@IF=20mA
Common
Cathode
Common
Anode
Material
Color
WLD
One Seg
Min. Typ.
One DP
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 CHECKED: Emily Zhou APPROVED: M.H. Lin PAGE: 2/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
http://www.Datasheet4U.com
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