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4N25V Schematic ( PDF Datasheet ) - Vishay Telefunken

Teilenummer 4N25V
Beschreibung Optocoupler with Phototransistor Output
Hersteller Vishay Telefunken
Logo Vishay Telefunken Logo 




Gesamt 9 Seiten
4N25V Datasheet, Funktion
4N25(G)V/ 4N35(G)V Series
Vishay Telefunken
Optocoupler with Phototransistor Output
Description
The 4N25(G)V/ 4N35(G)V series consists of a photo-
transistor optically coupled to a gallium arsenide
infrared-emitting diode in a 6-lead plastic dual inline
package.
The elements are mounted on one leadframe using
a coplanar technique, providing a fixed distance
between input and output for highest safety
requirements.
Applications
Circuits for safe protective separation against
electrical shock according to safety class II
(reinforced isolation):
D For appl. class I – IV at mains voltage 300 V
D For appl. class I – III at mains voltage 600 V
according to VDE 0884, table 2, suitable for:
Switch-mode power supplies, line receiver,
computer peripheral interface, microprocessor
system interface.
VDE Standards
These couplers perform safety functions according
to the following equipment standards:
D VDE 0884
Optocoupler for electrical safety requirements
D IEC 950/EN 60950
Office machines (applied for reinforced isolation
for mains voltage 400 VRMS)
D VDE 0804
Telecommunication apparatus and data
processing
D IEC 65
Safety for mains-operated electronic and related
household apparatus
14827
BCE
6 54
123
A (+) C (–) n.c.
Order Instruction
Ordering Code
CTR Ranking
4N25V/ 4N25GV1)
>20%
4N35V/ 4N35GV1)
>100%
1) G = Leadform 10.16 mm; G is not market on the body
Remarks
86 Rev. A4, 11–Jan–99






4N25V Datasheet, Funktion
4N25(G)V/ 4N35(G)V Series
Vishay Telefunken
Typical Characteristics (Tamb = 25_C, unless otherwise specified)
300
Coupled device
250
200
Phototransistor
150
IR-diode
100
50
10000
1000
VCE=10V
IF=0
100
10
0
0 40 80 120
96 11700
Tamb – Ambient Temperature (
Figure 6.
Total
Powe°Cr
)
Dissipation
vs.
Ambient Temperature
1
0 10 20 30 40 50 60 70 80 90 100
96 11875
Tamb – Ambient Temperature ( °C
)
Figure 9. Collector Dark Current vs.
Ambient Temperature
1000.0
100.0
10.0
1.0
1.000
VCB=10V
0.100
0.010
0.1
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
96 11862
VF – Forward Voltage ( V )
Figure 7. Forward Current vs. Forward Voltage
1.5
1.4 VCE=10V
1.3 IF=10mA
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
–30 –20 –10 0 10 20 30 40 50 60 70 80
96 11874
Tamb – Ambient Temperature ( °C
)
Figure 8. Relative Current Transfer Ratio vs.
Ambient Temperature
0.001
1
10 100
96 11876
IF – Forward Current ( mA )
Figure 10. Collector Base Current vs. Forward Current
100.00
10.00
VCE=10V
1.00
0.10
0.01
0.1
1.0 10.0 100.0
96 11904
IF – Forward Current ( mA )
Figure 11. Collector Current vs. Forward Current
Rev. A4, 11–Jan–99
91

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