5
Absolute Maximum Ratings at T
A
=25
°
C
HER
HDSP-521E
HDSP-523E
62.5
90
25
[1]
5
-35 to +85
-35 to +85
250
Green
Yellow
HDSP-521G HDSP-521Y
HDSP-523G HDSP-523Y Units
105
90
30
[3]
5
-35 to +85
-35 to +85
250
45
60
20
[2]
5
-35 to +85
-35 to +85
250
mW
mA
mA
V
°C
°C
°C
Parameter
Average Power per Segment or DP
Peak Forward Current per Segment or DP
(1/10 Duty Cycle, 0.1 ms Pulse Width)
DC Forward Current per Segment or DP
[1]
Reverse Voltage per Segment or DP
Operating Temperature
Storage Temperature
Wave Soldering Temperature for 3 seconds
[4]
(2 mm [0.063 in.] below Body)
Notes:
1. Derate above 25°C at 0.33 mA/°C.
2. Derate above 25°C at 0.27 mA/°C.
3. Derate above 40 celcius at 0.35 mA/celcius.
4. Not recommended to be soldered more than 2 times. Minimum interval between solderings is 15 minutes. Total soldering time not
to exceed 5 seconds.
Optical/Electrical Characteristics at T
A
=25
°
C
High Efficiency Red
Devices
HDSP-
Parameter
Luminous Intensity/Segment
(Segment Average)
[1,2]
Forward Voltage/Segment or DP
Peak Wavelength
Dominant Wavelength
[3]
Reverse Voltage/Segment or DP
[4]
Temperature Coefficient of
V
F
/Segment or DP
Symbol
I
v
V
F
PEAK
d
Min.
2.28
Typ.
4.00
2.05
640
628
Test
Max. Units Conditions
7.69 mcd I
F
= 10 mA
2.60
V
I
F
= 20 mA
nm
nm
I
F
= 10 mA
V
I
R
= 100
µA
mV/°C
521E
523E
V
R
V
F
/°C
5.0
-2
Green
Devices
HDSP-
Parameter
Luminous Intensity/Segment
(Segment Average)
[1,2]
Forward Voltage/Segment or DP
Peak Wavelength
Dominant Wavelength
[3]
Reverse Voltage/Segment or DP
[4]
Temperature Coefficient of
V
F
/Segment or DP
Symbol
I
v
V
F
PEAK
d
Min.
2.28
Typ.
3.50
2.0
568
570
-2
Test
Max. Units Conditions
5.13 mcd I
F
= 10 mA
V
I
F
= 10 mA
nm
576.5 nm
I
F
= 10 mA
V
I
R
= 100
µA
mV/°C
2.4
521G
523G
V
R
V
F
/°C
564.5
5.0