Optoisolators (Photocouplers)
CNC1S171
Optoisolator
For isolated signal transmission
Features
High current transfer ratio : CTR >50%
High I/O isolation voltage :
V
ISO
= 5000 V
rms
(min.)
Fast response :
t
r
= 2
碌s,
t
f
= 3
碌s(typ.)
Low dark current : I
CEO
< 100nA
VDE approved (VDE0884)
UL listed (No. E79920)
BSI certified
(BS415 No. 7889, BS7002 No. 7890)
SEMKO certified (No. 9625004)
DEMKO certified (No. 305848)
NEMKO certified (No. 199633176)
FIMKO certified (No. 191784)
CSA approved (No. CA109151)
4.58鹵0.3
Unit : mm
5.0 max.
0.3 min.
1
2
4
3
4-0.5鹵0.1
4-1.2鹵0.15
2.54鹵0.25
2.54 min.
7.62鹵0.3
6.2鹵0.5
3.85鹵0.3
2.0
0.25
鈥?
10~12
+0.15
Absolute Maximum Ratings
(Ta = 25藲C)
Parameter
Reverse voltage (DC)
Forward current (DC)
Input (Light
emitting diode) Pulse forward current
Power dissipation
Collector current
Output (Photo Collector to emitter voltage
transistor)
Emitter to collector voltage
Collector power dissipation
Isolation voltage, input to output
Total power dissipation
Operating ambient temperature
Storage temperature
Symbol Ratings
V
R
I
F
I
FP*1
P
D*2
I
C
V
CEO
V
ECO
P
C*3
V
ISO
P
T
6
50
1
75
50
80
7
150
5000
200
Unit
V
mA
A
mW
mA
V
V
mW
V
rms
mW
藲C
藲C
2
1
4
3
Pin connection
1: Anode
2: Cathode
3: Emitter
4: Collector
T
opr
鈥?0 to +100
T
stg
鈥?5 to +125
Pulse width
鈮?/div>
100
碌s,
repeat 100 pps
Input power derating ratio is
0.75 mW/藲C at Ta
鈮?/div>
25藲C.
*3
Output power derating ratio is
1.5 mW/藲C at Ta
鈮?/div>
25藲C.
*1
*2
Electrical Characteristics
(Ta = 25藲C)
Parameter
Reverse current (DC)
Input
Forward voltage (DC)
characteristics
Capacitance between pins
Collector cutoff current
Output
Collector to emitter voltage
characteristics
Collector to emitter capacitance
DC current transfer ratio
Isolation voltage, input to output
Isolation capacitance, input to output
Transfer
Isolation resistance, input to output
characteristics
Rise time
Fall time
*1
DC
*2
*3
Symbol
I
R
V
F
C
t
V
R
= 3V
I
F
= 50mA
Conditions
min
typ
1.35
15
5
max
10
1.5
100
Unit
碌A
V
pF
nA
V
pF
V
R
= 0V, f = 1MHz
80
I
CEO
V
CE
= 20V
V
CEO
I
C
= 100碌A
C
C
V
ISO
C
ISO
R
ISO
t
r*2
t
f*3
V
CE
= 10V, f = 1MHz
50
5000
t = 1 min., RH < 60%
f = 1MHz
V
ISO
= 500V
V
CC
= 10V, I
C
= 5mA,
R
L
= 100鈩?/div>
10
11
CTR
*1*4
V
CE
= 10V, I
F
= 5mA
10
600
0.7
2
3
0.1
0.2
%
V
rms
pF
鈩?/div>
碌s
碌s
V
Collector to emitter saturation voltage V
CE(sat)
I
F
= 20mA, I
C
= 1mA
current transfer ratio (CTR) is a ratio of output current against DC input current.
t
r
: Time required for the collector current to increase from 10% to 90% of its final value
t
f
: Time required for the collector current to decrease from 90% to 10% of its initial value
1
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