CNY171 Datasheet, PDF (6/15 Pages) Fairchild Semiconductor – 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
1.0
0.8
0.6
0.4
0.2
0.0
0
5
10
15
20
I_F - FORWARD CURRENT (mA)
Fig. 3 Normalized CTR vs. Ambient Temperature
(Black Package)
1.6
1.4
I_F = 5 mA
1.2
I_F = 10 mA
1.0
0.8
0.6
Normalized to
I_F = 10 mA
T_A = 25˚C
0.4
-75
-50
-25
I_F = 20 mA
0
25
50
75
100 125
T_A - AMBIENT TEMPERATURE (˚C)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
10
Fig. 5 CTR vs. RBE (Unsaturated)
(Black Package)
I_F = 20 mA
I_F = 10 mA
V_CE= 5.0 V
I_F = 5 mA
100
1000
R_BE- BASE RESISTANCE (kΩ)
Fig.2 Normalized CTR vs. Forward Current
(White Package)
1.6
V_CE = 5.0V
1.4 ^{TA = 25˚C}
Normalized to
I_F = 10 mA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
2
4
6
8 10 12 14 16 18 20
I_F - FORWARD CURRENT (mA)
Fig. 4 Normalized CTR vs. Ambient Temperature
(White Package)
1.4
1.2
I_F = 5 mA
1.0
I_F = 10 mA
0.8
I_F = 20 mA
0.6
0.4 _{Normalized to}
I_F = 10 mA
T_A = 25˚C
0.2
-60
-40
-20
0
20
40
60
80
100
T_A - AMBIENT TEMPERATURE (˚C)
Fig. 6 CTR vs. RBE (Unsaturated)
(White Package)
1.0
0.9
I_F = 20 mA
0.8
I_F = 10 mA
0.7
0.6
I_F = 5 mA
0.5
0.4
0.3
0.2
V_CE= 5.0 V
0.1
0.0
10
100
1000
R_BE- BASE RESISTANCE (kΩ)
6
CNY17X, CNY17FX, MOC810X Rev. 1.0.5
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