Owner's manual

SIR-320ST3F
Sensors
2/3
!
!!
!Electrical and optical characteristics (Ta = 25°C)
Parameter
Symbol
P
O
IE
fC
IR
VF
∆λ
λ
P
θ1 / 2
tr·tf
Min.
−
5.6
−
−
−
−
−
−
−
Typ.
9
−
1.2
−
940
40
±18
1.0
1.0
Max.
−
1.5
−
10
−
−
−
−
−
Unit
mW
mW/sr
I
F=5mA
I
F=5mA
I
F=5mA
V
R=3V
I
F=5mA
I
F=5mA
I
F=5mA
I
F=5mA
I
F=5mA
µA
nm
nm
V
deg
MHz
µs
Conditions
Optical output
Emitting strength
Forward voltage
Reverse current
Peak light emitting wavelength
Spectral line half width
Half-viewing angle
Pesponse time
Cut-off frequency
!
!!
!Electrical and optical characteristic curves
AMBIENT TEMPERATURE : Ta (°C)
FORWARD CURRENT : I
F
(mA)
−20 0 20 40 60 80 100
100
80
60
40
20
0
FIg.1 Forward current falloff
FORWARD VOLTAGE : V F (V)
FORWARD CURRENT : I
F
(mA)
Fig.2 Forward current vs. forward voltage
012
0
20
40
60
80
100
75°C
50°C
25°C
0°C
−25°C
OPTICAL WAVELENGTH : λ (nm)
RELATIVE OPTICAL OUTPUT : P
O
(%)
850 900 950 1000 1050
100
80
60
40
20
0
Fig.3 Wavelength
EMITTING STRENGTH : I
E
(mW/sr)
FORWARD CURRENT : I F (mA)
Fig.4 Emitting strength vs.
forward current
200 406080100
0
10
20
30
40
50
−20 80 1006040200
10
20
50
100
200
RELATIVE EMITTING STRENGTH : I
E (%)
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Radiant intensity vs.
ambient temperature