Rainbow Electronics SIR-341ST3F - Manual (Page 2)

SIR-341ST3F
Sensors
2/3
! ! ! ! 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.
8.4
18.1
1.3
−
940
40
± 16
1.0
1.0
Max.
−
1.5
−
10
−
−
−
−
−
Unit
mW
mW/sr
I F
= 50mA
I F
= 50mA
I F
= 50mA
V R
= 3V
I F
= 50mA
I F
= 50mA
I F
= 50mA
I F
= 50mA
I F
= 50mA
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
! ! ! ! Electrical and optical characteristic curves
Fig.1 Forward current falloff
FORWARD CURRENT : I
F
(mA)
AMBIENT TEMPERATURE : Ta ( ° C)
0 20 40 60 80 100
0
20
40
60
80
100
FORWARD CURRENT : I
F
(mA)
FORWARD VOLTAGE : V F (V)
0
10
20
30
40
50
0 1 2
75 ° C
50 ° C
25 ° C
0 ° C
− 25 ° C
Fig.2 Forward current vs. forward voltage
RELATIVE OPTICAL OUTPUT : P
O
(%)
OPTICAL WAVELENGTH : λ (nm)
900 920 940 960 980
0
20
40
60
80
100
Fig.3 Wavelength
Fig.4 Emitting strength vs.
forward current
EMITTING STRENGTH : I
E
(mW/sr)
FORWARD CURRENT : I F (mA)
20 0 40 60 80 100
0
10
20
30
40
50
Fig.5 Relative emitting strength
vs.ambient temperature
RELATIVE EMITTING STRENGTH : I
E
(%)
AMBIENT TEMPERATURE : Ta ( ° C)
0 − 20 20 80 40 60
10
20
50
100
200