PRODUCT
SPECIFICATION
DATE:11/29/2012
NO.61P04115
SHEET 4 OF 7
REV.
8
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KPC357NT
Fig.2
Diode power dissipation P (mW)
Fig.1
Forward Current vs.Ambient
Temperature
5 0
Diode Power Dissipation
vs. Ambient Temperature
1 0 0
8 0
6 0
4 0
2 0
0
- 5 5
0
2 5
5 0
7 5
1 0 0
1 2 5
Forward current IF (mA)
4 0
3 0
2 0
1 0
- 5 5
0
2 5
5 5
7 5
1 0 0
1 2 5
Ambient temperature Ta(
℃)
Ambient temperature Ta(
℃)
Fig.3
Collector Power Dissipation
vs. Ambient Temperature
2 0 0
1 5 0
1 0 0
5 0
0
- 5 5
0
2 5
5 5
7 5
1 0 0
1 2 5
Fig.4
Total Power Dissipation
vs. Ambient Temperature
Collector power dissipation Pc (mW)
Total power dissipation Pc (mW)
2 0 0
1 7 0
1 5 0
1 0 0
5 0
0
- 5 5
0
2 5
5 0
7 5
1 1 5
Ambient temperature Ta(
℃)
Ambient temperature Ta(
℃)
Fig.5
1 0 0 0 0
Peak Forward Current vs.
Duty Ratio
Pulse width
≦
100us
Ta=25
℃
Fig.6
5 0 0
2 0 0
Forward current IF (mA)
Forward Current vs.
Forward Voltage
Peak forward current IFM (mA)
1 0 0 0
1 0 0
5 0
Ta=75°
50°
25°
0°
-25°
1 0 0
2 0
5
1 0
2
0
1
1 0
- 3
1 0
- 2
1 0
- 1
1
0
0 . 5
1 . 0
1 . 5
2 . 0
2 . 5
3 . 0
Duty ratio
Forward Voltage VF (V)
COSMO [ COSMO ELECTRONICS CORPORATION ]
