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
Relative response
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
Relative response
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
Response time - ยตs
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
Relative response
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
Normalized light
current
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
Normalized light
current
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
Honeywell reserves the right to make
changes in order to improve design and
supply the best products possible.
h
111