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4N25 Datasheet(PDF) 5 Page - Vishay Siliconix

Part No. 4N25
Description  Optocoupler, Phototransistor Output, With Base Connection
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
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4N25 Datasheet(HTML) 5 Page - Vishay Siliconix

   
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4N25/ 4N26/ 4N27/ 4N28
Document Number 83725
Rev. 1.4, 26-Jan-05
Vishay Semiconductors
www.vishay.com
5
Figure 5. Normalized Non-saturated and saturated CTR vs. LED
Current
Figure 6. Collector-Emitter Current vs. Temperature and LED
Current
Figure 7. Collector-Emitter Leakage Current vs.Temp.
i4n25_05
100
10
1
.1
0.0
0.5
1.0
1.5
IF - LED Current - mA
Normalized to:
CTRce(sat) Vce = 0.4 V
Vce=10 V, IF=10 mA, TA=25°C
NCTR
NCTR(SAT)
TA=85°C
i4n25_06
60
50
40
30
20
10
0
0
5
10
15
20
25
30
35
50°C
70°C
85°C
IF - LED Current - mA
25°C
i4n25_07
100
80
60
40
20
0
–20
10
10
10
10
10
10
10
10
–2
–1
0
1
2
3
4
5
TA - Ambient Temperature - °C
Typical
Vce =10V
Figure 8. Normalized CTRcb vs. LED Current and Temp.
Figure 9. Normalized Photocurrent vs. IF and Temp.
Figure 10. Normalized Non-saturated HFE vs. Base Current and
Temperature
i4n25_08
Normalized to:
0.0
0.5
1.0
1.5
25°C
50°C
70°C
IF - LED Current - mA
.1
1
10
100
Vcb=9.3 V, IF=10 mA, TA=25°C
i4n25_09
0.
Normalized to:
0.01
1
1
10
IF - LED Current - mA
.1
1
10
100
IF=10 mA, TA=25°C
Nib, TA=–20°C
Nib, TA= 25°C
Nib, TA= 50°C
Nib, TA= 70°C
i4n25_10
0.4
0.6
1.0
1.2
Normalized to:
Ib - Base Current -
µA
110
100
1000
Ib=20
µA, Vce=10 V, TA=25°C
25°C
70°C
–20°C
0.8


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