SIR-568ST3F
Sensors
Electrical and optical characteristics (Ta = 25 ° C)
Parameter
Optical output
Emitting strength
Forward voltage
Reverse current
Peak light emitting wavelength
Spectral line half width
Half-viewing angle
Symbol
P O
I E
V F
I R
λ P
θ 1/2
Min.
?
18
?
?
?
?
?
Typ.
13
38
1.6
?
850
40
± 13
Max.
?
?
2.1
10
?
?
?
Unit
mW
mW/sr
V
μ A
nm
nm
deg
I F = 50mA
I F = 50mA
I F = 50mA
V R = 2V
I F = 20mA
I F = 20mA
I F = 50mA
Conditions
Response time
Cut-off frequency
Rise time
Fall time
tr
tf
fc
?
?
?
8.0
6.0
50
?
?
?
ns
ns
MHz
I F = 50mA
I F = 50mA
I F = 30mA DC + 20mA p-p
Electrical and optical characteristic curves
120
100
80
50
40
? 25 ° C
0 ° C
25 ° C
50 ° C
75 ° C
1.0
Ta=25 ° C
I F =20mA
30
60
40
20
20
10
0.5
0
? 25
0
20
40
60
80
100
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
780
840
900
AMBINET TEMPERATURE : Ta ( ° C)
Fig.1 Forward current falloff
FORWARD VOLTAGE : V F (V)
Fig.2 Forward current vs. forward voltage
OPTICAL WAVELENGTH : λ ( nm)
Fig.3 Wavelength characteristics
500
Ta=25 ° C
tw=100 μ sec
T=10msec
300
0
100
100
? 2
10
50
? 4
? 6
1
10
100
1000
10
? 25
0
25
50
75
100
1
2
4
10
20
40
100
FORWARD CURRENT ( mA)
Fig.4 Emitting strength vs.
forward current
AMBINET TEMPERATURE : Ta ( ° C)
Fig.5 Relative emitting strength vs.
ambient temperature
FREQUENCY : f (MHz)
Fig.6 Frequency characteristics
Rev.A
2/3
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