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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 ¾ ¾ ¾ ¾ ¾ ¾ ¾ 7.00 mm (0.28inch) digit high Excellent digit appearance Wide viewing angle Range of emitted colors I.C. compatible Low power consumption White segment RoHS compliant
Available options ¾ ¾ ¾ ¾ ¾ ¾
Alternative emitting luminosity: Standard or high brightness version Alternative emitted color Alternative segment color Alternative font Common Cathode is available Cropped terminal pins
Package Dimensions
4.50 10.0 ° 0.85 0.95 7.00(.28") D5 F D6 D2 PIN1 8.00 4.00 4.00 32.20 8.00 E D3 D A G B C D4
10.10
5.80 0.50
6.70
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
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Internal Circuit Diagram
LD2841A (Common Cathode)
Datasheet of 0.28 inch Four Digit 7 Segment LED Display
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. Common Cathode LD2841AR LD2841AD LD2841AO LD2841AY LD2841AG LD2841AUR LD2841AUO LD2841AUA LD2841AUY LD2841AUG LD2841APG LD2841AUB LD2841AUW Unit: Common Anode LD2841BR LD2841BD LD2841BO LD2841BY LD2841BG LD2841BUR LD2841BUO LD2841BUA LD2841BUY LD2841BUG LD2841BPG LD2841BUB LD2841BUW \ Material GaAlAs GaAlAs GaAsP GaAsP GaP AlGaInP AlGaInP AlGaInP AlGaInP AlGaInP InGaN InGaN InGaN \ Chip Color Super Red Hi-Red Orange Yellow Green Ultra Red Ultra Orange Ultra Amber Ultra Yellow Ultra Green Pure Green Ultra Blue Ultra White \ WLD 640 640 625 588 568 640 625 605 595 573 525 470 \ nm Iv@IF=20mA One Seg Min. 8 18 7 8 7 30 45 30 30 30 120 30 100 mcd Typ. 10 25 9 10 9 45 60 45 45 45 300 45 120 mcd Iv@IF=20mA One DP Min. 8 18 7 8 7 30 45 30 30 30 120 30 100 mcd Typ. 10 25 9 10 9 45 60 45 45 45 300 45 120 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
LightKey
Datasheet of 0.28 inch Four Digit 7 Segment LED Display
Electrical Characteristics & Absolute Maximum Ratings
Electrical Characteristics[1] Forward Color Voltage@ IF=20mA Typ. Super Red Per Seg. Per DP Hi-Red Per Seg. Per DP Orange Per Seg. Per DP Yellow Per Seg. Per DP Green Per Seg. Per DP Ultra Red Ultra Orange Ultra Amber Ultra Yellow Ultra Green Pure Green Ultra Blue Per Seg. Per DP Per Seg. Per DP Per Seg. Per DP Per Seg. Per DP Per Seg. Per DP Per Seg. Per DP Per Seg. Per DP Ultra White Unit:
N.
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