LED Dot Matrix Display are available in various colors and brightness. Round pixel shape & square pixel shape for example. Characteristics: Good Stability, low voltage, long life-span, engegy saving, even lunmance.. For ULM-1588AXBX, the emitting dot is 3. 0mm diameter, 31. 80*22. 75*8. 50mm, col & row of 5*7.
Parameter of ULM-1588AXBX:
Electrical/Optical Characteristics at Ta=25 degree
|
Symbol |
Parameter |
Device |
Typ. |
Max. |
Units |
Test Conditions |
|
λ peak |
Peak Wavelength |
High Red Yellow Green Yellow Super Bright Red |
640 565 590 660 |
nm |
IF=20mA | |
|
λ D |
Dominate Wavelength |
High Red Yellow Green Yellow Super Bright Red |
638 568 588 640 |
nm |
IF=20mA | |
|
λ 1/2 |
Spectral Line Halfwidth |
High Red Yellow Green Yellow Super Bright Red |
45 30 35 20 |
nm |
IF=20mA | |
|
C |
Capacitance |
High Red Yellow Green Yellow Super Bright Red |
15 15 20 45 |
pF |
VF=0V; f=1 MHz | |
|
VF |
Forward Voltage |
High Red Yellow Green Yellow Super Bright Red |
1. 8 2. 2 2. 0 1. 8 |
2. 2 2. 4 2. 2 2. 3 |
V |
IF=20mA |
|
IR |
Reverse Current |
All |
10 |
uA |
VR=5V |
Absolute Maximum Ratings at Ta=25 degree
|
Parameter |
High Red |
Yellow Green |
Yellow |
Super bright red |
Units |
|
Power Dissipation |
105 |
105 |
105 |
100 |
mW |
|
DC Forward Current |
30 |
25 |
25 |
25 |
mA |
|
Peak Forward Current(1) |
150 |
150 |
150 |
150 |
mA |
|
Reverse Voltage |
5 |
5 |
5 |
5 |
V |
|
Operating/Storage Temperature |
Minus 40 degree to 85 degree | ||||
|
Lead Solder Temperature(2) |
260 degree for 5 seconds | ||||
Application: outdoor & indoor using, used to represent characters, symbols and images.