ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581
7/12/00
1.2
3.0
4.0
3.0
3.35
7.0
6.0
0.5
0.5
7.62
1
2
4
3
0.26
13
Max
2.54
Dimensions in mm
LOW INPUT CURRENT
PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS
APPROVALS
l
UL recognised, File No. E91231
DESCRIPTION
The SFH617A series of optically coupled
isolators consist of infrared light emitting diodes
and NPN silicon photo transistors in space
efficient dual in line plastic packages.
FEATURES
l
Options :-
10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.
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Low input current 1mA I
F
l
High Current Transfer Ratios
(40-320% at 10mA, 13% min at 1mA)
l
High Isolation Voltage (5.3kV
RMS
,7.5kV
PK
)
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High BV
CEO
(70V min)
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All electrical parameters 100% tested
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Custom electrical selections available
APPLICATIONS
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Computer terminals
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Industrial systems controllers
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Measuring instruments
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Signal transmission between systems of
different potentials and impedances
5.08
4.08
SFH617A-1, SFH617A-2,
SFH617A-3, SFH617A-4
ABSOLUTE MAXIMUM RATINGS
(25C unless otherwise specified)
Storage Temperature
-55C to + 125C
Operating Temperature
-55C to + 100C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260C
INPUT DIODE
Forward Current
50mA
Reverse Voltage
6V
Power Dissipation
70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
70V
Emitter-collector Voltage BV
ECO
6V
Power Dissipation
150mW
POWER DISSIPATION
Total Power Dissipation
200mW
(derate linearly 2.67mW/C above 25C)
10.16
0.26
7.62
OPTION SM
SURFACE MOUNT
OPTION G
ISOCOM INC
1024 S. Greenville Ave, Suite 240,
Allen, TX 75002 USA
Tel: (214) 495-0755 Fax: (214) 495-0901
e-mail info@isocom.com
http://www.isocom.com
10.46
9.86
0.6
0.1
1.25
0.75
DB92330m-AAS/A1
DB92330m-AAS/A1
7/12/00
PARAMETER
MIN TYP MAX UNITS TEST CONDITION
Input
Forward Voltage (V
F
)
1.65
V
I
F
= 50mA
Reverse Voltage (V
R
)
6
V
I
R
= 10
A
Reverse Current (I
R
)
10
A
V
R
= 6V
Output
Collector-emitter Breakdown (BV
CEO
)
70
V
I
C
= 1mA
( Note 2 )
Emitter-collector Breakdown (BV
ECO
)
6
V
I
E
= 100
A
Collector-emitter Dark Current (I
CEO
)
SFH617A-1,2
50
nA
V
CE
= 10V
SFH617A-3,4
100
nA
Coupled
Current Transfer Ratio (CTR) (Note 2)
SFH617A-1
40
80
%
10mA I
F
, 5V V
CE
SFH617A-2
63
125
%
SFH617A-3
100
200
%
SFH617A-4
160
320
%
SFH617A-1
13
%
1mA I
F
, 5V V
CE
SFH617A-2
22
%
SFH617A-3
34
%
SFH617A-4
56
%
Collector-emitter Saturation Voltage V
CESAT
0.4
V
10mA I
F
, 2.5mA I
C
Input to Output Isolation Voltage V
ISO
5300
V
RMS
See note 1
7500
V
PK
See note 1
Input-output Isolation Resistance R
ISO
5x10
10
V
IO
= 500V (note 1)
ELECTRICAL CHARACTERISTICS ( T
A
= 25C Unless otherwise noted )
Note 1
Measured with input leads shorted together and output leads shorted together.
Note 2
Special Selections are available on request. Please consult the factory.
SWITCHING CHARACTERISTICS
1.
Linear Operation
(
without saturation) Fig
1.
I
F
= 10mA, V
CC
= 5V, R
L
= 75
t
on
t
r
t
off
t
f
F
CO
UNITS
2.
Switching Operation (with saturation) Fig 2
V
CC
= 5V, R
L
= 1k
4.2
3.0
23
14
6.0
4.6
25
15
s
s
s
s
V
UNITS
< 0.4
GROUP
V
CC
= 5.0V
V
CC
= 5.0V
R
L
= 75
R
L
= 1k
OUTPUT
OUTPUT
FIG 2
FIG 1
t
on
t
off
10%
90%
90%
Turn-on Time
Rise Time
Turn-off Time
Fall Time
Cut-off Frequency
s
s
s
s
kHz
Turn-on Time
Rise Time
Turn-off Time
Fall Time
t
on
t
r
t
off
t
f
V
CESAT
-2 and -3
(I
F
=10mA)
- 4
(I
F
=5mA)
t
r
t
f
INPUT
OUTPUT
10%
-1
(I
F
=20mA)
3.0
2.0
18
11
3.0
2.0
2.3
2.0
250
DB92330m-AAS/A1
7/12/00
50
Ambient temperature T
A
( C )
150
0
200
Collector power dissipation P
C
(mW)
Collector Power Dissipation vs. Ambient Temperature
-30 0 25 50 75 100
100
0
0.5
1.0
1.5
I
F
= 10mA
V
CE
= 5V
Relative Current Transfer Ratio
vs. Ambient Temperature
Relative current transfer ratio
Collector Current vs. Collector-emitter Voltage
( normalised to SFH617A-3 )
Collector-emitter voltage V
CE
( V )
Collector current I
C
(mA)
0 2 4 6 8 10
0
10
20
30
40
50
T
A
= 25C
10
15
20
30
50
-30 0 25 50 75 100 125
-30 0 25 50 75 100
Ambient temperature T
A
( C )
Collector-emitter saturation voltage V
CE(S
A
T)
(V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
0
0.04
0.08
0.12
0.16
0.20
0.24
0.28
I
F
= 10mA
I
C
= 2.5mA
Ambient temperature T
A
( C )
I
F
= 5mA
0
80
120
160
200
240
40
280
320
Forward current I
F
(mA)
Current Transfer Ratio vs. Forward Current
Current transfer ratio CTR (%)
V
CE
= 5V
T
A
= 25C
1 2 5 10 20 50
SFH617A-2
SFH617A-3
SFH617A-4
Ambient temperature T
A
( C )
60
30
20
10
0
40
50
-30 0 25 50 75 100 125
Forward Current vs. Ambient Temperature
Forward current I
F
(mA)
SFH617A-1
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