la2541-21b Ledtech Electronics Corp., la2541-21b Datasheet - Page 5

• Manufacturer Part Number: la2541-21b
• Description: Alphanumeric Display Led
• Manufacturer: Ledtech Electronics Corp.

Typical Electrical/Optical Characteristic Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
Fig.5 RELATIVE LUMINOUS INTENSITY
40
50
20
30
10
1.6
1.0
0.5
10
8
2
6
4
600
VS. FORWARD CURRENT
0
Fig.1 RELATIVE INTENSITY VS.
Fig .3 FORWARD CURRENT VS.
FORWARD VOLTAGE PER CHIP
1.8
WAVELENGTH
Forward Voltage VF(V)
10
Forward Current (mA)
Wavelength (nm)
630
2.0
20
2.2
690
30
2.4
LA(C)2541-21B
40
2.6
720
2.0
1.0
0.5
0.2
0.1
-30
30
50
40
10
20
VER.: 01 Date: 2007/01/26 Page: 4/5
0
100
-20 -10
10
Fig.6 LUMINOUS INTENSITY VS.
1
Fig.2 MAXIMUM TOLERABLE PEAK
1
Fig.4 FORWARD CURRENT VS.
Ambient Temperature Ta (°C)
AMBIENT TEMPERATURE
20
CURRENT VS. PULSE DURATION
tp - Pulse Duration - μ s
Ambient Temperature Ta (°C)
10
0
DERATING CURVE
40
10
100
1.0" ALPHANUMERIC
20
1000
60
30
DISPLAY
10000
40
80
OPERATION IN THIS
REGION REOUIRES
TEMPERATURE
DERATING OF I
MAXIMUM
50
100
60
DC
70