PRODUCT
SPECIFICATION
DATE:11/29/2012
NO.61P04115
SHEET 5 OF 7
REV.
8
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KPC357NT
Fig.8
V C E = 5 V
Fig.7
Current Transfer Ratio vs.
Forward Current
5 0 0
4 5 0
4 0 0
3 5 0
3 0 0
2 5 0
2 0 0
1 5 0
1 0 0
5 0
0
0 . 5
Ta=25℃
Collector Current vs.
Collector-Emitter Voltage
C
5 0
I
Current Transfer Ratio ( % )
Collector current Ic (mA)
4 0
3 0
= 3 0 m A
I
F
= 2 0 m A
F
Ta=25°
I
F
= 1 0 m A
P
C
( M A X )
2 0
I
1 0
F
= 5 m A
1
2
5 1 0
2 0
5 0
0
5
1 0
Forward Current IF (mA)
Collector-Emitter voltage VCE(V)
Fig.9
Relative Current Transfer Ratio
vs. Ambient Temperature
IF=5mA
VCE=5V
Fig.10
Collector-emitter saturation voltage VCE(sat)(V)
0 . 1 6
Collector-Emitter Saturation
Voltage vs. Ambient Temperature
I
= 2 0 m A
F
I
C
= 1 m A
150
Relative Current Transfer Ratio ( % )
0 . 1 4
0 . 1 2
0 . 1 0
0 . 0 8
0 . 0 6
0 . 0 4
0 . 0 2
0
- 5 5
0
2 0
4 0
6 0
8 0
100
50
0
-55
1 0 0
1 2 0
-25
0
25
50
75
115
Ambient temperature Ta(℃)
Ambient temperature Ta(℃)
Fig.11
1 0
- 5
Collector Dark Current vs.
Ambient Temperature
V
C E
Fig.12
5 0 0
2 0 0
1 0 0
5 0
Response Time vs.
Load Resistance
V =2V
Ic=2mA
Ta=25℃
C E
= 2 0 V
Collector dark current Iceo (A)
- 6
1 0
Response Time (us)
1 0
-
1 0
1 0
-
1
-
0
1
1 0
- 1 1
- 8
7
2 0
1 0
5
2
1
0 . 5
0 . 2
0 . 1
0 . 0 1
0 . 1
t r
t f
t d
t s
9
0
- 5 5
0
2 0
4 0
6 0
8 0
1 0 0
1 2 0
1
1 0
Ambient temperature Ta(℃)
Load Resistance RL(K ohm)
COSMO [ COSMO ELECTRONICS CORPORATION ]
