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4N25 Datasheet(PDF) 6 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) 6 Page - Vishay Siliconix

   
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Document Number 83725
Rev. 1.4, 26-Jan-05
4N25/ 4N26/ 4N27/ 4N28
Vishay Semiconductors
Figure 11. Normalized HFE vs. Base Current and Temp.
Figure 12. Propagation Delay vs. Collector Load Resistor
Figure 13. Switching Timing
i4n25_11
0.0
0.5
1.0
1.5
25°C
–20°C
50°C
70°C
1
10
100
1000
Vce=10 V, Ib=20
µA
TA=25°C
Vce=0.4 V
Ib - Base Current -
µA
Normalized to:
i4n25_12
1
10
100
1000
RL - Collector Load Resistor - k
2.5
2.0
1.5
1.0
.1
1
10
100
IF =10 mA,TA=25°C
VCC=5.0 V, Vth=1.5 V
tPLH
tPHL
i4n25_13
IF
tR
=1.5 V
VO
tD
tS
tF
tPHL
tPLH
VTH
Figure 14. Switching Schematic
i4n25_14
VCC =5.0 V
F=10 KHz,
DF=50%
RL
VO
IF=1 0 mA


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