LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LSIR3331
Page 3/6
Typical Electro-Optical Characteristics Curve
SIR CHIP
Fig.1 Forward Current vs. Rorward Voltage
1000
Fig.2 Relative Radiant Intensity vs. Wavelength
1.0
100
10
1
0.1
0.5
Relative Radiant Intensity
Normalize @20mA
Forward Current(mA)
0.5
1.0
1.5
2.0
2.5
0.0
750
800
850
900
950
1000
1050
Forward Voltage(V)
Wavelength(nm)
Fig.3 Relative Radiant Power
vs. Forward DC Current
10.0
Fig.4 Relative Radiant Power
vs. Forward Peak Current
10.0
Relative Radiant Power
Normalize @20mA
Relative Radiant Power
Normalize @100 mA
10
100
1.0
1.0
0.1
1
0.1
10
100
1000
I
FDC
(mA)
I
FPK
(mA)
Fig.5 Forward DC Voltage vs. Temperature
Forward DC Voltage @20 mA
Normalize @ 25
℃
1.2
Fig.6 Relative Radiant Power vs. Temperature
3.0
Relative Radiant Power
Normalize @ 20mA,25
℃
-20
0
20
40
60
80
100
2.5
2.0
1.5
1.0
0.5
0.0
-40
1.1
1.0
0.9
0.8
-40
-20
0
20
40
60
80
100
Ambient Temperature
[℃]
Ambient Temperature[
℃
]
LIGITEK [ LIGITEK ELECTRONICS CO., LTD. ]
