www.vishay.com For technical questions, contact: optocoupleranswers@vishay.com
Document Number: 83608
4 Rev. 1.7, 23-Feb-11
H11AA1
Vishay Semiconductors
Optocoupler, Phototransistor Output,
AC Input, with Base Connection
Fig. 7 - Collector Emitter Leakage Current vs. Temperature
Fig. 8 - Normalized CTR
cb
vs. LED Current and Temperature
Fig. 9 - Collector Base Photocurrent vs. LED Current
Fig. 10 - Normalized Photocurrent vs. LED Current
Fig. 11 - Normalized Saturated h
FE
vs.
Base Current and Temperature
Fig. 12 - Normalized Saturated h
FE
vs.
Base Current and Temperature
ih11aa1_07
100806040200- 20
10
-2
10
-1
10
0
10
1
10
2
10
3
10
4
10
5
T
amb
- Ambient Temperature (°C)
I
CEO
- Collector Emitter (nA)
V
CE
= 10 V
TYPICAL
ih11aa1_08
0.1 1 10 100
0.0
0.5
1.0
1.5
25 °C
50 °C
70 °C
I
F
- LED Current (mA)
NCTR
cb
- Normalized CTR
cb
Normalized to:
I
F
= 10 mA
V
CB
= 9.3 V
ih11aa1_09
100
1010.1
0.01
0.1
1
10
100
1000
I
F
- LED Current (mA)
Icb - Collector Base
Photocurrent (µA)
I
CB
= 1.0357 x I
F
^ 1.3631
ih11aa1_10
100
1010.1
0.01
0.1
1
10
I
F
- LED Current (mA)
Normalized Photocurrent
I
F
= 10 mA
Normalized to:
NIB - Ta = - 20 °C
NIb, Ta = 25 °C
NIb, Ta = 50 °C
NIb, Ta = 70 °C
ih11aa1_11
1 10 100 1000
0.0
0.5
1.0
1.5
2.0
25 °C
50 °C
70 °C
I
b
- Base Current (µA)
Nh
FE(sat)
- Normalized
Saturated h
FE
V
CE
= 0.4 V
I
b
= 20 µA
V
CE
= 10 V
Normalized to:
ih11aa1_12
1 10 100 1000
0.0
0.5
1.0
1.5
I
b
- Base Current (µA)
Nh
FE(sat)
Normalized
Saturated h
FE
- 20 °C
- 25 °C
50 °C
70 °C
Normalized to:
V
CE
= 10 V
I
B
= 20 µA
V
CE
= 0.4 V
