PRODUCT
SPECIFICATION
DATE:06/04/2012
NO.61P04088
SHEET 4 OF 8
REV.
5
cosmo
ELECTRONICS CORPORATION
I
( % )
r a t i o
Photocoupler :
KT1200
d i s s i p a t i o n P D ( m W )
p o w e r
D i o d e
Fig.1 Relative Current Transfer Ratio
1 5 0
vs. Ambient Temperature
= 1 m A
V
CE
= 2 V
F
Fig.2 Diode Power Dissipation
vs. Ambient Temperature
1 0 0
8 0
6 0
4 0
2 0
0
1 0 0
c u r r e n t
t r a n s f e r
5 0
R e l a t i v e
- 5 5
0
2 5
5 0
7 5
1 0 0
1 2 5
0
- 5 5
- 2 5
0
2 5
5 0
7 5
1 0 0
Ambient temperature Ta(
℃
)
Ambient Temperature Ta(
℃
)
Fig.3 Collector-emitter Saturation
Voltage vs. Forward current
8.0
Collector-emitter saturation
voltage V
CE (sat)
(V)
Fig.4 Collector-emitter Saturation Voltage
vs. Ambient Temperature
Collector-emitter saturation voltage
1.6
1.4
1.2
1.0
0.8
0.6
Ta=25°C
Ic=0.5mA
Ic=1mA
Ic=3mA
Ic=5mA
Ic=7mA
Ic=30mA
6.4
4.8
3.2
1.6
0
0
0.8
Ic=50mA
V
CE (sat)
(V)
0.4
0.2
0
I
F
=1mA
Ic=2mA
1.6
2.4
3.2
4.0
-55
0
20
40
60
80 100 115
Forward current IF (mA)
Ambient Temperature Ta(
℃
)
Fig.5 Current Transfer Ratio vs.
Forward Current
8000
V
CE
=2V
Ta=25°C
Fig.6 Forward Current vs.
Forward Voltage
500
Forward current I
F
(mA)
200
100
50
20
10
5
2
1
0
0.5
1.0
1.5
2.0
2.5
3.0
Ta=75°C
50°C
25°C
0°C
-25°C
Current transfer ratio (%)
6000
4000
2000
1000
0
0
0.2
0.5
1
2
5
10
Forward current IF (mA)
Forward Voltage VF(V)
COSMO [ COSMO ELECTRONICS CORPORATION ]
