CNY17-1, CNY17-3, CNY17-2, CNY17-4 Phototransistor Optocouplers
Fig.1 Normalized CTR vs. Forward Current
(Black Package)
1.4
V
CE
= 5.0V
T
A
= 25˚C
1.2
Normalized to
I
F
= 10 mA
1.6
Fig.2 Normalized CTR vs. Forward Current
(White Package)
V
CE
= 5.0V
T
A
= 25˚C
Normalized to
I
F
= 10 mA
1.4
1.2
1.0
NORMALIZED CTR
1.0
0.8
NORMALIZED CTR
0
5
10
15
20
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0
0.0
0
2
4
6
8
10
12
14
16
18
20
I
F
- FORWARD CURRENT (mA)
I
F
- FORWARD CURRENT (mA)
Fig. 3 Normalized CTR vs. Ambient Temperature
(Black Package)
1.6
Fig. 4 Normalized CTR vs. Ambient Temperature
(White Package)
1.4
1.4
I
F
= 5 mA
1.2
I
F
= 5 mA
1.2
1.0
NORMALIZED CTR
I
F
= 10 mA
1.0
NORMALIZED CTR
I
F
= 10 mA
0.8
I
F
= 20 mA
0.6
0.8
0.6
Normalized to
I
F
= 10 mA
T
A
= 25˚C
-50
-25
0.4
I
F
= 20 mA
Normalized to
I
F
= 10 mA
T
A
= 25˚C
-40
-20
0
0.4
-75
0
25
50
75
100
125
0.2
-60
20
40
60
80
100
T
A
- AMBIENT TEMPERATURE (˚C)
T
A
- AMBIENT TEMPERATURE (˚C)
Fig. 5 CTR vs. RBE (Unsaturated)
(Black Package)
NORMALIZED CTR ( CTR
RBE
/ CTR
RBE(OPEN)
)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
10
100
1000
I
F
= 5 mA
I
F
= 20 mA
I
F
= 10 mA
V
CE
= 5.0 V
Fig. 6 CTR vs. RBE (Unsaturated)
(White Package)
NORMALIZED CTR ( CTR
RBE
/ CTR
RBE(OPEN)
)
1.0
0.9
0.8
I
F
= 10 mA
0.7
I
F
= 5 mA
0.6
0.5
0.4
0.3
0.2
V
CE
= 5.0 V
0.1
0.0
10
100
1000
I
F
= 20 mA
1.0
R
BE
- BASE RESISTANCE (kΩ)
R
BE
- BASE RESISTANCE (kΩ)
5
CNY17-1, CNY17-3, CNY17-2, CNY17-4 Rev. 1.0.2
www.fairchildsemi.com
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