Datasheet

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Document Number: 83526
4 Rev. 1.9, 20-Oct-09
CNY74-2H, CNY74-4H
Vishay Semiconductors
Optocoupler, Phototransistor Output
(Multichannel)
TYPICAL CHARACTERISTICS
T
amb
= 25 °C, unless otherwise specified
Fig. 4 - Forward Voltage vs. Forward Current
Fig. 5 - Normalized Non-Saturated and Saturated CTR
vs.
LED Current
Fig. 6 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
Fig. 7 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
Fig. 8 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
Fig. 9 - Collector Emitter Current vs. Temperature and LED Current
iil74_01
I
F
- Forward Current (mA)
1001010.1
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
V
F
- Forward Voltage (V)
T
amb
= - 55 °C
T
amb
= 25 °C
T
amb
= 85 °C
iil74_02
1001010.1
0.0
0.5
1.0
1.5
NCTR(SAT)
NCTR
I
F
- LED Current (mA)
N
CTR
- Normalized (CTR)
Normalized to:
V
CE
= 10 V,I
F
= 10 mA
T
A
= 25 °C
CTR
ce(sat)
V
CE
= 0.4 V
iil74_03
1001010.1
0.0
0.5
1.0
1.5
NCTR(SAT)
NCTR
I
F
- LED Current (mA)
N
CTR
- Normalized (CTR)
Normalized to:
V
CE
= 10 V,I
F
= 10 mA,T
A
= 25 °C
T
A
= 50 °C
CTR
ce(sat)
V
CE
= 0.4 V
iil74_04
1001010.1
0.0
0.5
1.0
1.5
I
F
- LED Current (mA)
NCTR(SAT)
NCTR
Normalized to:
V
CE
= 10 V,I
F
= 10 mA
T
A
= 25 °C
CTR
ce(sat)
V
CE
= 0.4 V
T
A
= 70 °C
N
CTR
- Normalized (CTR)
iil74_05
0.1 1 10 100
1.5
1.0
0.5
0.0
I
F
- LED Current (mA)
N
CTR
- Normalized CTR
NCTR(SAT)
NCTR
Normalized to:
V
CE
= 10 V,I
F
= 10 mA, T
A
= 25 °C
CTR
ce(sat)
V
CE
= 0.4 V
T
A
= 85 °C
iil74_06
60503020100
0
5
10
15
20
25
30
35
50 °C
70 °C
85 °C
I
F
- LED Current (mA)
I
CE
- Collector Current (mA)
25 °C
40