50
I
DC
MAX – MAXIMUM DC CURRENT
PER SEGMENT – mA
45
40
35
30
R
θ
J-A = 770°C/W
HER, ORANGE
25
20
YELLOW
15
10
5
0
20
30
40
50 60
70 80 90 100 110 120
GREEN
T
A
– AMBIENT TEMPERATURE –
°C
Figure 9. Maximum Tolerable Peak
Current vs. Pulse Duration – Green.
Figure 10. Maximum Allowable DC Current vs.
Ambient Temperature.
I
F
– FORWARD CURRENT PER SEGMENT – mA
η
V
– RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 10 mA PER SEGMENT)
90
80
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 10 mA
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0
10
20 30
40
50 60 70
80 90 100
GREEN SERIES
YELLOW SERIES
HER SERIES
HER, YELLOW, GREEN
70
60
HER SERIES
50
GREEN SERIES
40
30
20
10
0
1.0
2.0
3.0
4.0
5.0
YELLOW SERIES
0
5
10
15
20
25
30
35
40
V
F
– FORWARD VOLTAGE – V
I
F
– FORWARD CURRENT PER SEGMENT – mA
I
PEAK
– PEAK FORWARD CURRENT
PER SEGMENT – mA
Figure 11. Forward Current vs.
Forward Voltage.
Figure 12. Relative Luminous
Intensity vs. DC Forward Current.
Figure 13. Relative Efficiency
(Luminous Intensity per Unit Current)
vs. Peak Current.
Electrical/Optical
For more information on
electrical/optical characteristics,
please see Application Note 1005.
(methylene chloride, trichloro–
ethylene, carbon tetrachloride,
etc.) are not recommended for
cleaning LED parts. All of these
various solvents attack or dissolve
the encapsulating epoxies used to
form the package of plastic LED
parts.
For information on soldering
LEDs please refer to Application
.
Contrast Enhancement
For information on contrast
enhancement please see
Soldering/Cleaning
Cleaning agents from the ketone
family (acetone, methyl ethyl
ketone, etc.) and from the
chlorinated hydrocarbon family
3-91
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
