LM12457AB 1.2 Inch 5x7 LED Square Dot Matrix Display
Product Categories: LED Dot Matrix5x7 LED Matrix
Product Description:
1.2 inch 5x7 single color LED square dot matrix
Features:
42.00mm (1.2inch) digit high
Dot size: Diameter 4mm
Pitch: 5.00mm
Wide viewing angle
I.C. compatible
Low power consumption
Black face, white dot
RoHS compliant
Available options:
Alternative emitting luminosity:
standard or high brightness version
Alternative emitted color
Alternative face and dot color
Alternative font
Common Cathode is available
Cropped terminal pins
Package Dimensions :
LM12457
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.
Internal Circuit Diagram:
LM12457A 
LM12457B
Table1:
|
Part No. |
Chip |
Iv@IF=20mA | ||||
|
CC[1] |
CA[2] |
Material |
Color |
WLD |
One Dot | |
|
Min. |
Typ. | |||||
|
LM12457AR |
LM12457BR |
GaAlAs |
Super Red |
640 |
8 |
10 |
|
LM12457AD |
LM12457BD |
GaAlAs |
Hi-Red |
640 |
18 |
25 |
|
LM12457AO |
LM12457BO |
GaAsP |
Orange |
625 |
7 |
9 |
|
LM12457AY |
LM12457BY |
GaAsP |
Yellow |
588 |
8 |
10 |
|
LM12457AG |
LM12457BG |
GaP |
Green |
568 |
7 |
9 |
|
LM12457AUR |
LM12457BUR |
AlGaInP |
Ultra Red |
640 |
30 |
45 |
|
LM12457AUO |
LM12457BUO |
AlGaInP |
Ultra Orange |
625 |
45 |
60 |
|
LM12457AUA |
LM12457BUA |
AlGaInP |
Ultra Amber |
605 |
30 |
45 |
|
LM12457AUY |
LM12457BUY |
AlGaInP |
Ultra Yellow |
595 |
30 |
45 |
|
LM12457AUG |
LM12457BUG |
AlGaInP |
Ultra Green |
573 |
30 |
45 |
|
LM12457APG |
LM12457BPG |
InGaN |
Pure Green |
525 |
120 |
300 |
|
LM12457AUB |
LM12457BUB |
InGaN |
Ultra Blue |
470 |
30 |
45 |
|
LM12457AUW |
LM12457BUW |
SMD |
Ultra White |
\ |
100 |
120 |
|
Unit: |
\ |
\ |
\ |
nm |
mcd |
mcd |
Notes:
1. CC=Cathode Row,
2. CA=Anode Row
Table2 :
|
Color |
Electrical optical Characteristics[1] |
Absolute Maximum Ratings[1] | |||||
|
Forward Voltage@ IF=20mA |
Reverse
Current
VR=5V |
Power Dissipation |
DC Forward Current |
Peak Forward Current2] | |||
|
Typ. |
Max. | ||||||
|
Super Red |
Per Dot |
1.8 |
2.2 |
30 |
60 |
25 |
100 |
|
Hi-Red |
Per Dot |
1.8 |
2.2 |
30 |
60 |
25 |
100 |
|
Orange |
Per Dot |
2.1 |
2.5 |
30 |
80 |
30 |
100 |
|
Yellow |
Per Dot |
2.1 |
2.5 |
30 |
80 |
30 |
100 |
|
Green |
Per Dot |
2.2 |
2.5 |
30 |
80 |
30 |
100 |
|
Ultra Red |
Per Dot |
1.9 |
2.6 |
30 |
60 |
30 |
100 |
|
Ultra Orange |
Per Dot |
2 |
2.6 |
30 |
65 |
30 |
100 |
|
Ultra Amber |
Per Dot |
2 |
2.6 |
30 |
65 |
30 |
100 |
|
Ultra Yellow |
Per Dot |
2 |
2.6 |
30 |
65 |
30 |
100 |
|
Ultra Green |
Per Dot |
2.1 |
2.6 |
30 |
75 |
30 |
100 |
|
Pure Green |
Per Dot |
3.5 |
4 |
30 |
110 |
30 |
100 |
|
Ultra Blue |
Per Dot |
3.5 |
4 |
30 |
120 |
30 |
100 |
|
Ultra White |
Per Dot |
3.5 |
4 |
30 |
120 |
30 |
100 |
|
Unit: |
\ |
V |
V |
uA |
mW |
mA |
mA |
Notes:
1. At Ta=25 deg.
2. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse
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| Lightkey Company Limited | |
| ADD: | Building 2, No. 1479, Liyuan Road, Yinzhou District, Ningbo, China. |
| Tel: | 0086-574-86322282 |
| Fax: | 0086-574-86322283 |
| Email: | sales@lightkey-opto.com |
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