GENERAL PURPOSE 6-PIN
PHOTOTRANSISTOR OPTOCOUPLERS
4N25
4N37
4N26
H11A1
4N27
H11A2
4N28
H11A3
4N35
H11A4
4N36
H11A5
TYPICAL PERFORMANCE CURVES
Fig. 1 LED Forward Voltage vs. Forward Current
(Black Package)
Fig. 2 LED Forward Voltage vs. Forward Current
(White Package)
1.8
1.7
1.6
1.5
1.4
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
T
T
T
= -55°C
= 25°C
= 100°C
A
A
T
= -55°C
A
1.3
1.2
1.1
1.0
T
T
= 25°C
A
A
A
= 100°C
1
10
100
1
10
I - LED FORWARD CURRENT (mA)
F
100
I
- LED FORWARD CURRENT (mA)
F
Fig.3 Normalized CTR vs. Forward Current
(Black Package)
Fig.4 Normalized CTR vs. Forward Current
(White Package)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
V
= 5.0V
V
= 5.0V
CE
CE
= 25°C
Normalized to
= 10 mA
Normalized to
I = 10 mA
F
T
T
= 25°C
A
I
A
F
0
5
I
10
- FORWARD CURRENT (mA)
15
20
0
2
4
6
8
10
- FORWARD CURRENT (mA)
F
12
14
16
18
20
I
F
Fig. 5 Normalized CTR vs. Ambient Temperature
(Black Package)
Fig. 6 Normalized CTR vs. Ambient Temperature
(White Package)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.4
1.2
1.0
0.8
0.6
0.4
I = 5 mA
F
I
= 5 mA
F
I
= 10 mA
F
I
= 10 mA
F
I
= 20 mA
F
Normalized to
= 10 mA
Normalized to
= 10 mA
I
I
= 20 mA
F
F
I
F
T
= 25°C
A
T
= 25°C
A
-75
-50
-25
0
25
50
75
100
125
-60
-40
-20
0
20
40
60
80
100
T
- AMBIENT TEMPERATURE (°C)
T - AMBIENT TEMPERATURE (°C)
A
A
© 2005 Fairchild Semiconductor Corporation
Page 6 of 15
6/15/05
ROCHESTER [ Rochester Electronics ]
