4
Absolute Maximum Ratings
AlGaAs Red HER/Orange
Yellow
HDSP-
U3xx
Green
HDSP-
U5xx
HDSP-
U1xx
HDSP-
U2xx/-4xx
Series
Description
Series
Series
Series
Units
mW
Average Power per Segment or DP
37
105
80
105
Peak Forward Current per
Segment or DP
45[1]
90[3]
60[5]
90[7]
mA
DC Forward Current per Segment
or DP
15[2]
30[4]
20[6]
30[8]
mA
Operating Temperature Range
Storage Temperature Range
–20 to +90
–25 to +90
°C
°C
V
–30 to +90
Reverse Voltage per Segment or DP
3.0
Wavesoldering Temperature for
3 Seconds (1.60 mm [0.063 in.]
below body)
250
°C
Notes:
1. See Figure 1 to establish pulsed conditions.
5. See Figure 6 to establish pulsed conditions.
6. Derate above 81°C at 0.52 mA/°C (see Figure 8).
7. See Figure 7 to establish pulsed conditions.
8. Derate above 39°C at 0.37 mA/°C (see Figure 8).
2. No derating over specified temperature range.
3. See Figure 5 to establish pulsed conditions.
4. Derate above 53°C at 0.45 mA/°C (see Figure 8).
Electrical/Optical Characteristics at TA = 25°C
AlGaAs Red
Device
Test
Series
Parameter
Luminous Intensity/Segment[1,2]
(Digit Average)
Symbol Min. Typ. Max. Units
Conditions
IF = 1 mA
IF = 5 mA
IF = 1 mA
IF = 5 mA
IF = 20 mA
HDSP-
U1xx
IV
315
600
3600
1.6
1.7
1.8
645
637
15
µcd
Forward Voltage/Segment or DP
VF
V
2.2
Peak Wavelength
Dominant Wavelength[3]
Reverse Voltage/Segment or DP[4]
λPEAK
λd
nm
nm
VR
3.0
V
IR = 100 µA
Temperature Coefficient of
VF/Segment or DP
∆VF/°C
-2
mV/°C
Thermal Resistance LED
Junction-to-Pin
RθJ-Pin
255
°C/W/
Seg
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