Silicon Phototransistor
SD3443/5443
SWITCHING TIME TEST CIRCUIT
cir_03b.cdr
SWITCHING WAVEFORM
cir_004.cdr
Responsivity vs
Angular Displacement (SD3443)
gra_052.ds4
Angular displacement - degrees
R
e
l
a
t
i
v
e
r
e
s
p
o
n
s
e
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-60
-45
-30
-15
0
+15
+30
+45
+60
Fig. 1
Responsivity vs
Angular Displacement (SD5443)
gra_053.ds4
Angular displacement - degrees
R
e
l
a
t
i
v
e
r
e
s
p
o
n
s
e
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40
-30
-20
-10
0
+10
+20
+30
+40
Fig. 2
Dark Current vs
Temperature
gra_303.cdr
Fig. 3
Non-Saturated Switching Time vs
Load Resistance
gra_041.ds4
Load resistance - Ohms
R
e
s
p
o
n
s
e
t
i
m
e
-
ยต
s
1
10
100
10
100
1000
10000
Fig. 4
Honeywell reserves the right to make
changes in order to improve design and
supply the best products possible.
h
110
Silicon Phototransistor
SD3443/5443
Spectral Responsivity
gra_036.ds4
Wavelength - nm
R
e
l
a
t
i
v
e
r
e
s
p
o
n
s
e
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
400
600
800
1000
1200
Fig. 5
Coupling Characteristics
SE3450 with SD3443
gra_021.ds4
Window-to-window distance - inches
N
o
r
m
a
l
i
z
e
d
l
i
g
h
t
c
u
r
r
e
n
t
0.0
0.2
0.4
0.6
0.8
1.0
0.0
0.2
0.4
0.6
0.8
1.0
Fig. 6
Coupling Characteristics
SE5450 with SD5443
gra_024.ds4
Lens-to-lens distance - inches
N
o
r
m
a
l
i
z
e
d
l
i
g
h
t
c
u
r
r
e
n
t
0.0
0.2
0.4
0.6
0.8
1.0
0
2
4
6
7
9
1
3
5
8
Fig. 7
Collector Current vs
Ambient Temperature
gra_302.cdr
Fig. 8
All Performance Curves Show Typical Values
Honeywell reserves the right to make
changes in order to improve design and
supply the best products possible.
h
111
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