GENERAL PURPOSE 6-PIN
PHOTOTRANSISTOR OPTOCOUPLERS
4N25
4N37
4N26
H11A1
4N27
H11A2
4N28
H11A3
4N35
H11A4
4N36
H11A5
Fig. 8 CTR vs. RBE (Unsaturated)
(White Package)
Fig. 7 CTR vs. RBE (Unsaturated)
(Black Package)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
I
F
= 20 mA
V
= 5.0 V
CE
I
= 10 mA
F
I
I
= 20 mA
= 10 mA
F
F
I
= 5 mA
F
I
= 5 mA
F
V
CE
= 5.0 V
10
100
1000
10
100
- BASE RESISTANCE (kΩ)
1000
R
BE
- BASE RESISTANCE (kΩ)
R
BE
Fig. 9 CTR vs. RBE (Saturated)
(Black Package)
Fig. 10 CTR vs. RBE (Saturated)
(White Package)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
V
CE
= 0.3 V
V
CE
= 0.3 V
I
I
= 20 mA
= 10 mA
F
I
= 20 mA
= 10 mA
F
F
I
F
I
= 5 mA
F
I
F
= 5 mA
10
100
- BASE RESISTANCE (k Ω)
1000
10
100
- BASE RESISTANCE (k Ω)
1000
R
BE
R
BE
Fig. 12 Collector-Emitter Saturation Voltage vs Collector Current
(White Package)
Fig. 11 Collector-Emitter Saturation Voltage vs Collector Current
(Black Package)
100
10
1
100
T
A
= 25˚C
10
1
I
F
= 2.5 mA
I = 2.5 mA
F
0.1
0.01
0.1
I
= 20 mA
F
I
= 10 mA
F
I
= 20 mA
F
0.01
I
F
= 5 mA
0.1
I
F
= 5 mA
I
= 10 mA
F
T
A
= 25˚C
0.001
0.001
0.01
1
10
0.01
0.1
1
10
I
C
- COLLECTOR CURRENT (mA)
I
C
- COLLECTOR CURRENT (mA)
© 2005 Fairchild Semiconductor Corporation
Page 7 of 15
6/15/05
ROCHESTER [ Rochester Electronics ]
