la1531-21 Ledtech Electronics Corp., la1531-21 Datasheet - Page 5

• Manufacturer Part Number: la1531-21
• Description: Single Digit Display Led
• Manufacturer: Ledtech Electronics Corp.

Fig.5 RELATIVE LUMINOUS INTENSITY
Typical Electrical/Optical Characteristic Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
2.0
1.0
0.5
10
8.0
6.0
4.0
40
50
20
VS. FORWARD CURRENT
30
10
0
480
1.6
Fig.1 RELATIVE INTENSITY VS.
Fig .3 FORWARD CURRENT VS.
FORWARD VOLTAGE PER CHIP
WAVELENGTH
1.8
10
Forward Current (mA)
Forward Voltage VF(V)
Wavelength (nm)
550
2.0
20
2.2
620
30
2.4
LA(C)1531-21
40
690
2.6
VER.: 01 Date: 2007/01/24
2.0
1.0
0.5
0.2
0.1
-30
30
10
50
40
20
0
100
10
1
-20 -10
Fig.6 LUMINOUS INTENSITY VS.
Fig.2 MAXIMUM TOLERABLE PEAK
1
Fig.4 FORWARD CURRENT VS.
Ambient Temperature Ta (°C)
AMBIENT TEMPERATURE
CURRENT VS. PULSE DURATION
tp - Pulse Duration - μ s
20
10
Ambient Temperature Ta (°C)
0
DERATING CURVE
100
10
40
1.5" SINGLE DIGIT
20
1000
30
60
DISPLAY
10000
40
OPERATION IN THIS
REGION REOUIRES
TEMPERATURE
DERATING OF I
MAXIMUM
80
50
Page: 4/5
60
100
DC
70