2
CNZ3731, CNC7C501, CNZ3734, CNC2S501, CNC7C502, CNC7H501
Optoisolators (Photocouplers)
Absolute Maximum Ratings
(Ta = 25C)
Parameter
Symbol
Ratings
Unit
CNZ3731
CNC2S501
Reverse voltage (DC)
Forward current (DC)
Pulse forward current
Power dissipation
Collector current
V
R
I
F
I
FP*1
P
D*2
I
C
V
CEO
V
ECO
P
C*3
P
T
V
ISO*4
T
opr
T
stg
6
6
V
Input (Light
emitting diode)
50
1
75
150
300
0.3
50
1
75
150
350
0.3
mA
A
mW
mA
V
V
mW
mW
V
rms
C
C
Output (Photo
Collector to emitter voltage
transistor)
Emitter to collector voltage
Collector power dissipation
Total power dissipation
Isolation voltage, input to output
Operating ambient temperature
Storage temperature
300
320
150
200
300
320
150
200
5000
5000
–30 to +100
–55 to +125
–30 to +100
–55 to +125
*1
Pulse width
≤
100
μ
s, repeat 100 pps
*2
Input power derating ratio is 0.75 mW/C at Ta
≥
25C.
*3
Output power derating ratio is 3.0 mW/C at Ta
≥
25C (CNZ3731, CNC2S501).
Output power derating ratio is 0.75 mW/C at Ta
≥
25C (CNC7C501, CNC2S502, CNZ3734, CNC7H501).
*4
AC 1min., RH < 60 %
CNC7C502
CNC7H501
CNC7C501
CNZ3734
Electrical Characteristics
(Ta = 25C)
Parameter
Reverse current (DC)
Forward voltage (DC)
Capacitance between pins
Collector cutoff current
characteristics
Collector to emitter capacitance
DC current transfer ratio
Isolation capacitance, input to output
Isolation resistance, input to output
characteristics
Rise time
Fall time
Symbol
I
R
V
F
C
t
I
CEO
C
C
CTR
*1
V
CE
= 2V, I
F
= 1mA
C
ISO
f
= 1MHz
R
ISO
V
ISO
= 500V
t
r*2
V
CC
= 10V, I
C
= 10mA,
t
f*3
R
t
= 100
Conditions
min
typ
max
10
1.5
Unit
μ
A
V
pF
nA
pF
%
pF
μ
s
μ
s
V
Input
characteristics
V
R
= 3V
I
F
= 50mA
V
R
= 0V, f
= 1MHz
V
CE
= 200V
V
CE
= 10V, f
= 1MHz
1.35
30
Output
200
10
1000
4000
0.7
Transfer
10
11
40
15
Collector to emitter saturation voltage
V
CE(sat)
I
F
= 1mA, I
C
= 2mA
*1
DC current transfer ratio (CTR) is a ratio of output current against DC input current.
C
CTR I
×
100 (%)
F
*2
t
r
: Time required for the collector current to increase from 10% to 90% of its final value
*3
t
f
: Time required for the collector current to decrease from 90% to 10% of its initial value
1.0