LM12057B (LightKey)
1.20 inch 5x7 Dot Matrix LED Display

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LightKey
Datasheet of 1.20 inch 5x7 Dot Matrix LED Display
LM12057A/B Series – 1.20 inch 5x7 Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
¾ 39.10mm (1.20inch) digit high
¾ Dot size: Diameter 3.00mm
¾ Pitch: 4.6mm
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
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: DS10121799 REV: A.4 CHECKED: Emily Zhou APPROVED: M.H. Lin PAGE: 1/3
HTTP://WWW.LTKEY.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
http://www.Datasheet4U.com


LM12057B (LightKey)
1.20 inch 5x7 Dot Matrix LED Display

No Preview Available !

Click to Download PDF File for PC

LightKey
Datasheet of 1.20 inch 5x7 Dot Matrix LED Display
Internal Circuit Diagram
LM12057A (Common Cathode Row)
LM12057B (Common Anode Row)
Selection Guide
Part No.
Common
Cathode Row
Common
Anode Row
LM12057AR
LM12057AD
LM12057AO
LM12057AY
LM12057AG
LM12057AUR
LM12057AUO
LM12057AUA
LM12057AUY
LM12057AUG
LM12057APG
LM12057AUB
LM12057AUW
Unit:
LM12057BR
LM12057BD
LM12057BO
LM12057BY
LM12057BG
LM12057BUR
LM12057BUO
LM12057BUA
LM12057BUY
LM12057BUG
LM12057BPG
LM12057BUB
LM12057BUW
\
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
627
627
610
588
568
627
610
605
595
573
525
470
\
nm
Iv@IF=20mA
One Dot
Min.
Typ.
8 10
18 25
79
8 10
79
30 45
45 60
30 45
30 45
30 45
120 300
30 45
100 120
mcd mcd
SPEC NO: DS10121799 REV: A.4 CHECKED: Emily Zhou APPROVED: M.H. Lin PAGE: 2/3
HTTP://WWW.LTKEY.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
http://www.Datasheet4U.com


LM12057B (LightKey)
1.20 inch 5x7 Dot Matrix LED Display

No Preview Available !

Click to Download PDF File for PC

LightKey
Datasheet of 1.20 inch 5x7 Dot Matrix LED Display
Electrical Characteristics & Absolute Maximum Ratings
Color
Electrical
Characteristics[1]
VF@
IF=20mA[2]
Typ. Max.
Reverse
Current
VR=5V
Super Red Per Dot 1.8 2.2
30
Hi-Red
Per Dot 1.8 2.2
30
Orange
Per Dot 2.1 2.5
30
Yellow
Per Dot 2.1 2.5
30
Green
Per Dot 2.2 2.5
30
Ultra Red Per Dot 1.9 2.6
30
Ultra Orange Per Dot 2.0 2.6
30
Ultra Amber Per Dot 2.0 2.6
30
Ultra Yellow Per Dot 2.0 2.6
30
Ultra Green Per Dot 2.1 2.6
30
Pure Green Per Dot 3.5 4.0
30
Ultra Blue Per Dot 3.5 4.0
30
Ultra White Per Dot 3.5 4.0
30
Unit:
\ V V uA
Notes:
1. At Ta = 25 °C.
2. Forward voltage at forward current = 20mA.
3. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.
Absolute Maximum Ratings[1]
Power
Dissipation
60
60
80
80
80
60
65
65
65
75
110
120
120
mW
DC
Forward
Current
25
25
30
30
30
30
30
30
30
30
30
30
30
mA
Peak
Forward
Current[3]
100
100
100
100
100
100
100
100
100
100
100
100
100
mA
SPEC NO: DS10121799 REV: A.4 CHECKED: Emily Zhou APPROVED: M.H. Lin PAGE: 3/3
HTTP://WWW.LTKEY.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
http://www.Datasheet4U.com




LM12057B.pdf
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