4N25-X, 4N26-X, 4N27-X, 4N28-X
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Vishay Semiconductors
25
20
15
10
5
1.2
VCE = 0.4 V
IF = 10 mA
IF = 25 mA
1.0
IF = 5 mA
0.8
IF = 10 mA
0.6
IF = 1 mA
0.4
IF = 5 mA
IF = 2 mA
0.2
IF = 1 mA
0
0
0
0.1
0.2
0.3
0.4
- 60 - 40 - 20
0
20 40 60 80 100
VCE - Collector Emitter Voltage (sat) (V)
T
amb - Ambient Temperature (°C)
Fig. 5 - Collector Current vs. Collector Emitter Voltage (sat)
Fig. 8 - Normalized CTR (sat) vs. Ambient Temperature
10 000
1.2
VCE = 5 V
IF = 0 mA
1000
Tamb = 25 °C
1.0
VCE = 40 V
Tamb = 0 °C
100
10
Tamb = - 40 °C
Tamb = - 55 °C
0.8
0.6
0.4
0.2
0
VCE = 24 V
1
0.1
VCE = 12 V
Tamb = 50 °C
Tamb = 75 °C
Tamb = 100 °C
0.01
0.001
- 60 - 40 - 20
0
20 40 60 80 100
0.1
1
10
100
Tamb - Ambient Temperature (°C)
IF - Forward Current (mA)
Fig. 6 - Leakage Current vs. Ambient Temperature
Fig. 9 - Normalized CTR (NS) vs. Forward Current
1.2
1.2
VCE = 5 V
VCE = 0.4 V
IF = 10 mA
Tamb = 25 °C
1.0
1.0
Tamb = 0 °C
IF = 5 mA
Tamb = - 40 °C
0.8
0.8
Tamb = - 55 °C
0.6
0.6
IF = 1 mA
0.4
0.4
0.2
0
Tamb = 50 °C
Tamb = 75 °C
0.2
Tamb = 100 °C
0
- 60 - 40 - 20
0
20 40 60 80 100
0.1
1
10
100
Tamb - Ambient Temperature (°C)
IF - Forward Current (mA)
Fig. 7 - Normalized CTR (NS) vs. Ambient Temperature
Fig. 10 - Normalized CTR (sat) vs. Forward Current
Rev. 1.2, 16-Jan-12
Document Number: 81864
4
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