la2531-21b Ledtech Electronics Corp., la2531-21b Datasheet - Page 5

• Manufacturer Part Number: la2531-21b
• Description: Alphanumeric Display Led
• Manufacturer: Ledtech Electronics Corp.

Typical Electrical/Optical Characteristic Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
Fig.5 RELATIVE LUMINOUS INTENSITY
1.0
0.5
40
50
20
30
10
515
1.6
Fig.1 RELATIVE INTENSITY VS.
10
8
2
6
4
VS. FORWARD CURRENT
0
Fig .3 FORWARD CURRENT VS.
FORWARD VOLTAGE PER CHIP
WAVELENGTH
1.8
Forward Voltage VF(V)
10
Forward Current (mA)
Wavelength (nm)
585
2.0
20
2.2
655
30
2.4
LA(C)2531-21B
40
2.6
725
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