9
Figure 1. Maximum allowable DC current vs.
ambient temperature.
Figure 2. Forward current vs. forward voltage. Figure 3. Relative luminous intensity vs. DC
forward current.
HDSP-301x/303x Series
Contrast Enhancement
For information on contrast
enhancement, please see
Application Note 1015.
Soldering/Cleaning
Cleaning agents from the ketone
family (acetone, methyl ethyl
ketone, etc.) and from the
chlorinated hydrocarbon family
(methylene chloride,
Figure 4. Maximum allowable DC current vs.
ambient temperature.
Figure 5. Forward current vs. forward voltage. Figure 6. Relative luminous intensity vs. DC
forward current.
HDSP-561x/563x Series
I
DC
– MAXIMUM DC CURRENT
PER SEGMENT – mA
10
0
T
A
– AMBIENT TEMPERATURE – °C
20 80 100
30
6040
10
20
5
15
25
45
30 50 70 90
Rθ
J
= 770°C/W
1101200
35
40
YELLOW
GREEN
HER
AlGaAs
I
F
– FORWARD CURRENT PER SEGMENT – mA
0.0
0
V
F
– FORWARD VOLTAGE – V
120
60
3.0 5.0
80
20
1.0 4.0
40 GREEN
HER
2.0
100 YELLOW
AlGaAs
I
DC
– MAXIMUM DC CURRENT
PER SEGMENT – mA
10
0
T
A
– AMBIENT TEMPERATURE – °C
20 80 100
30
6040
10
20
5
15
25
45
30 50 70 90
Rθ
J
= 770°C/W
1101200
35
40
YELLOW
GREEN
HER
AlGaAs
I
F
– FORWARD CURRENT PER SEGMENT – mA
0.0
0
V
F
– FORWARD VOLTAGE – V
120
60
3.0 5.0
80
20
1.0 4.0
40 GREEN
HER
2.0
100 YELLOW
AlGaAs
trichloroethylene, 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
Note 1027.
GREEN
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 5 mA FOR HER AND
YELLOW AND TO 1 AT 10 mA FOR GREEN)
0
0
I
F
– DC FORWARD CURRENT – mA
20 4010 305152535
YELLOW
12
6
8
2
4
10
HER
AlGaAs
GREEN
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 5 mA FOR HER AND
YELLOW AND TO 1 AT 10 mA FOR GREEN)
0
0
I
F
– DC FORWARD CURRENT – mA
20 40
10 305152535
YELLOW
12
6
8
2
4
10
HER
AlGaAs