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

   
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Document Number 83725
Rev. 1.4, 26-Jan-05
4N25/ 4N26/ 4N27/ 4N28
Vishay Semiconductors
Switching Characteristics
Typical Characteristics (Tamb = 25
°C unless otherwise specified)
Parameter
Test condition
Symbol
Min
Typ.
Max
Unit
Rise and fall times
VCE = 10 V, IF = 10 mA, RL = 100 Ω
tr, tf
2.0
µs
Figure 1. Forward Voltage vs. Forward Current
Figure 2. Normalized Non-Saturated and Saturated CTR vs. LED
Current
i4n25_01
100
10
1
.1
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
IF - Forward Current - mA
TA =–55°C
TA =25°C
TA =85°C
i4n25_02
Normalized to:
0.0
0.5
1.0
1.5
0
1
10
100
IF - LED Current - mA
NCTR
NCTR(SAT)
CTRce(sat) Vce=0.4 V
Vce=10 V, IF=10 mA, TA=25°C
TA=25°C
Figure 3. Normalized Non-saturated and Saturated CTR vs. LED
Current
Figure 4. Normalized Non-saturated and saturated CTR vs. LED
Current
i4n25_03
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=50°C
i4n25_04
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=70°C


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