4N25 View Datasheet(PDF) - American Microsemiconductor
Part Name
Description
Manufacturer
4N25 Datasheet PDF : 6 Pages
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4N25 4N26 4N27 4N28
100
70
50
VCC = 10 V
20
RL = 1000
10
100
7
5
10
2
1
0.1 0.2
0.5 0.7 1 2
5 7 10 20
IF, LED INPUT CURRENT (mA)
50 70 100
Figure 7. Turn–On Switching Times
(Typical Values)
4
IF = 0
3
2
IB = 7 μA
6 μA
5 μA
4 μA
3 μA
1
2 μA
1 μA
0 2 4 6 8 10 12 14 16 18 20
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 9. DC Current Gain (Detector Only)
100
70
50
VCC = 10 V
20
RL = 1000
10
7
5
100
10
2
1
0.1 0.2
0.5 0.7 1 2
5 7 10 20
IF, LED INPUT CURRENT (mA)
Figure 8. Turn–Off Switching Times
(Typical Values)
50 70 100
20
18
16
14
12
10
8
6
4
2
0
0.05 0.1
CLED
CCB
CEB
CCE
0.2 0.5 1 2
5
V, VOLTAGE (VOLTS)
f = 1 MHz
10 20 50
Figure 10. Capacitances versus Voltage
IF = 10 mA
INPUT
TEST CIRCUIT
VCC = 10 V
WAVEFORMS
INPUT PULSE
RL = 100 Ω
OUTPUT
10%
90%
tr
ton
OUTPUT PULSE
tf
toff
Figure 11. Switching Time Test Circuit and Waveforms
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