![](http://datasheet.mmic.net.cn/280000/HDSP-F208_datasheet_16067814/HDSP-F208_5.png)
5
Device
Series
Parameter
Symbol
Min.
Typ.
Max.
Units
Test Conditions
Luminous Intensity/Segment
[1,2,5]
(Digit Average)
I
V
7.5
15.0
mcd
I
F
= 20 mA
Forward Voltage/Segment or DP
V
F
1.8
2.2
V
I
F
= 20 mA
HDSP-
F15X/
G15X
Peak Wavelength
λ
PEAK
645
nm
Dominant Wavelength
[3]
λ
d
637
nm
Reverse Voltage/Segment or DP
[4]
V
R
3.0
15
V
I
R
= 100
μ
A
Temperature Coefficient of
V
F
/Segment or DP
V
F
/
°
C
-2
mV/
°
C
Thermal Resistance LED
Junction-to-Pin
R
θ
J-PIN
320
°
C/W/Seg
AlGaAs Red
Device
Series
Parameter
Symbol
Min.
Typ.
Max.
Units
Test Conditions
Luminous Intensity/Segment
[1,2]
(Digit Average)
I
V
420
1200
μ
cd
I
F
= 5 mA
Forward Voltage/Segment or DP
V
F
2.0
2.5
V
I
F
= 20 mA
HDSP-
F20X/
G20X
Peak Wavelength
λ
PEAK
635
nm
Dominant Wavelength
[3]
λ
d
626
nm
Reverse Voltage/Segment or DP
[4]
V
R
3.0
30
V
I
R
= 100
μ
A
Temperature Coefficient of
V
F
/Segment or DP
V
F
/
°
C
-2
mV/
°
C
Thermal Resistance LED
Junction-to-Pin
R
θ
J-PIN
320
°
C/W/Seg
High Efficiency Red