Document Number: 83763
For technical questions, contact: sensorstechsupport@vishay.com
www.vishay.com
Rev. 1.8, 20-Sep-10
3
TCST1030
Transmissive Optical Sensor with
Phototransistor Output
Vishay Semiconductors
Fig. 2 - Test Circuit for t
on
 and t
off
 Fig. 3 - Switching Times
BASIC CHARACTERISTICS (T
amb
 = 25 癈, unless otherwise specified)
 Fig. 4 - Forward Current vs. Forward Voltage
 Fig. 5 - Relative Current Transfer Ratio vs. Ambient Temperature
 Fig. 6 - Collector Dark Current vs. Ambient Temperature
 Fig. 7 - Collector Current vs. Forward Current
Channel I
Channel II
20223
+ 5 V
I
C
= 1 mA; adjusted by I
I
F
0
I
F
 
G
= 50 ?
 
p
t
p
 
= 0.01
Oscilloscope
R 1 M?/DIV>
L
e
C
L
d 20 pF 
50 ?   100 ?
= 50 祍
F
t
p
t
t
0
0
10 %
90 %
100 %
t
r
t
d
t
on
t
s
t
f
t
off
I
F
I
C
t
p
Pulse duration
t
d
Delay time
t
r
Rise time
t
on
(= t
d
 + t
r
)   Turn-on time
t
s
Storage time
t
f
Fall time
t
off
(= t
s
 + t
f
)   Turn-off time
96 11698
0.1
1
10
100
1000
0
V
F
 - Forward Voltage (V)
6 11862
1.6
1.2
0.8
0.4
2.0
0.6
0.7
0.8
0.9
1.0
1.1
1.2
V
CE
= 5 V
I
F
= 20 mA
T  -Am i n T m  r  r  ?/DIV>
- 30
90
80
70
60
50
40
30
20
10
0
-10
- 20
100
0
1
10
100
1000
10 000
T   -Am i n T m  r  r  ?/DIV>
V
CE
= 25 V
I
F
= 0 A
100
75
50
25
0.01
0.1
1
10
0.1
I
F
- Forward Current mA
96 11768
V
CE
= 10 V
10
1
100
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