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Datasheet of 0.30 inch Dual Digit 7 Segment LED Display
LD3021A/B Series - 0.30 inch dual Digit 7 Segment LED Display
ATTENTION
OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES
Features
¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ 7.62 mm (0.30 inch) 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
10.0 4.00 0.70 DIG.1
7.62(.3")
DIG.2 A F E D G B C DP
6.30 PIN 1 15.50
7.20 0.50
15.00
6.20
0.51
2.54*4=10.16
10.16
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: DS10121577
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
LD3021A (Common Cathode)
Datasheet of 0.30 inch Dual Digit 7 Segment LED Display
LD3021B (Common Anode)
Selection Guide
Dual Digit 7 Segment LED Display, Digit Height: 7.62mm(0.30inch), External Dimensions: 15.50x15.00x7.20mm (L x W x H) Part No.
Common Cathode Common Anode
Chip Material GaAlAs GaAlAs GaAsP GaAsP GaP AlGaInP AlGaInP AlGaInP AlGaInP AlGaInP InGaN InGaN InGaN \ \ 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
LD3021AR LD3021AD LD3021AO LD3021AY LD3021AG LD3021AUR LD3021AUO LD3021AUA LD3021AUY LD3021AUG LD3021APG LD3021AUB LD3021AUW Unit: \
LD3021BR LD3021BD LD3021BO LD3021BY LD3021BG LD3021BUR LD3021BUO LD3021BUA LD3021BUY LD3021BUG LD3021BPG LD3021BUB LD3021BUW
SPEC NO: DS10121577
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 0.30 inch Dual 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:
Notes: 1. At Ta = 25 °C. 2. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.
Absolute Maximum Ratings[1] DC Forward Current 25 25 25 25 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 mA Peak Forward Current[2] 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 mA
Reverse Current VR=5V 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 uA
Power Dissipation
Max. 2.2 2.2 2.2 2.2 2.5 2.5 2.5 2.5 2.5 2.5 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 4 4 4 4 4 4 V 60 60 60 60 80 80 80 80 80 80 60 60 65 65 65 65 65 65 75 75 110 110 120 120 120 120 mW
1.8 1.8 1.8 1.8 2.1 2.1 2.1 2.1 2.2 2.2 1.9 1.9 2 2 2 2 2 2 2.1 2.1 3.5 3.5 3.5 3.5 3.5 3.5 V
Per Seg. Per DP \
SPEC NO: DS10121577
REV: A.4
CHECKED: Emily Zhou
APPROVED: M.H. Lin
PAGE: 3/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
http://www.Datasheet4U.com
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