Sir-320st3f, Sensors, Electrical and optical characteristic curves – Rainbow Electronics SIR-320ST3F User Manual
Page 2

SIR-320ST3F
Sensors
2/3
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Electrical and optical characteristics (Ta = 25
°C)
Parameter
Symbol
P
O
I
E
f
C
I
R
V
F
∆λ
λ
P
θ
1 / 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
µ
A
nm
nm
V
deg
MHz
µ
s
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
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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
0
1
2
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
20
0
40
60
80
100
0
10
20
30
40
50
−
20
80
100
60
40
20
0
10
20
50
100
200
RELATIVE EMITTING STRENGTH : I
E
(%)
AMBIENT TEMPERATURE : Ta (
°
C)
Fig.5 Radiant intensity vs.
ambient temperature