PRODUCT
SPECIFICATION
DATE:06/04/2012
NO.61P04116
SHEET 4 OF 8
REV.
7
cosmo
ELECTRONICS CORPORATION
150
Relative Current Transfer Ratio (%)
Photocoupler :
KT1000
Fig.2
P
D
( m W )
d i s s i p a t i o n
p o w e r
D i o d e
Fig.1 Relative Current Transfer Ratio
vs. Ambient Temperature
IF=5mA
VCE=5V
100
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
50
0
-55
-25
0
25
50
75
100
Ambient temperature Ta(℃)
Ambient temperature Ta(℃)
Fig.3 Collector Power Dissipation
vs. Ambient Temperature
( m W )
Fig.4 Total Power Dissipation
vs. Ambient Temperature
( m W )
T o t a l p o w e r d i s s i p a t i o n P t o t
2 5 0
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
d i s s i p a t i o n P c
C o l l e c t o r p o w e r
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
Ambient temperature Ta(℃)
Ambient temperature Ta(℃)
Fig.5 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
V C E = 5 V
Ta=25℃
Fig.6
Forward Current vs. Forward Voltage
5 0 0
2 0 0
1 0 0
5 0
Ta=75
℃
50
℃
25
℃
0
℃
-25
℃
1
2
5 1 0
2 0
5 0
F o r w a r d c u r r e n t
I
F
( m A )
2 0
5
1 0
2
1
0
0 . 5
1 . 0
1 . 5
2 . 0
2 . 5
3 . 0
Forward Current IF (mA)
Forward Voltage VF (V)
COSMO [ COSMO ELECTRONICS CORPORATION ]
