SFH620-1X, SFH620-2X, SFH620-3X
SFH620-1, SFH620-2, SFH620-3
AC INPUT PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS
APPROVALS
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UL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
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Certified to EN60950 by the following
Test Bodies :-
Nemko - Certificate No. P96102022
Fimko - Registration No. 192313-01..25
Semko - Reference No. 9639052 01
Demko - Reference No. 305969
VDE 0884 approval pending
DESCRIPTION
The SFH620 series of optically coupled
isolators consist of inverse parallel infrared light
emitting diodes and NPN silicon photo
transistors in space efficient dual in line plastic
packages.
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2.54
7.0
6.0
1.2
5.08
4.08
1
2
Dimensions in mm
4
3
7.62
4.0
3.0
0.5
13°
Max
0.26
3.0
0.5
3.35
FEATURES
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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
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High Current Transfer Ratios
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High Isolation Voltage (5.3kV
RMS
,7.5kV
PK
)
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High BV
CEO
(70V min)
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AC or polarity insensitive input
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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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Telephone sets, Telephone exchanges
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Signal transmission between systems of
different potentials and impedances
OPTION SM
SURFACE MOUNT
OPTION G
7.62
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature
-55°C to + 125°C
Operating Temperature
-55°C to + 100°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
Forward Current
Power Dissipation
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
Emitter-collector Voltage BV
ECO
Power Dissipation
POWER DISSIPATION
Total Power Dissipation
200mW
70V
6V
150mW
±50mA
70mW
1.2
0.6
10.2
9.5
(derate linearly 2.67mW/°C above 25°C)
1.4
0.9
0.26
10.16
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
30/7/97
ISOCOM INC
720 E., Park Boulevard, Suite 104,
Plano, TX 75074 USA
Tel: (972) 423-5521
Fax: (972) 422-4549
DB92307-AAS/A1
ELECTRICAL CHARACTERISTICS ( T
A
= 25°C Unless otherwise noted )
PARAMETER
Input
Output
Forward Voltage (V
F
)
Collector-emitter Breakdown (BV
CEO
)
70
( Note 2 )
Emitter-collector Breakdown (BV
ECO
)
6
Collector-emitter Dark Current (I
CEO
)
SFH620-1,2
SFH620-3
Current Transfer Ratio (CTR) (Note 2)
SFH620-1
SFH620-2
SFH620-3
SFH620-1
SFH620-2
SFH620-3
MIN TYP MAX UNITS
1.65
V
V
V
50
100
nA
nA
TEST CONDITION
I
F
= ±50mA
I
C
= 1mA
I
E
= 100µA
V
CE
= 10V
Coupled
40
63
100
13
22
34
125
200
320
%
%
%
%
%
%
±10mA I
F
, 5V V
CE
±1mA I
F
, 5V V
CE
Collector-emitter Saturation Voltage V
CESAT
Input to Output Isolation Voltage V
ISO
Input-output Isolation Resistance R
ISO
5300
7500
5x10
10
0.4
V
V
RMS
V
PK
Ω
±10mA I
F
, 2.5mA I
C
See note 1
See note 1
V
IO
= 500V (note 1)
Note 1
Note 2
Measured with input leads shorted together and output leads shorted together.
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
= 75Ω, T
A
= 25°C
UNITS
Turn-on Time
Rise Time
Turn-off Time
Fall Time
Cut-off Frequency
V
CC
Input
R
L
= 75Ω
Output
Output
10%
t
r
t
f
t
on
t
off
t
on
t
r
t
off
t
f
F
CO
3.0
2.0
2.3
2.0
250
µs
µs
µs
µs
kHz
10%
90%
90%
FIG 1
30/7/97
DB92307-AAS/A1
Collector Power Dissipation vs. Ambient Temperature
200
Collector power dissipation P
C
(mW)
Collector Current vs. Collector-emitter Voltage
( normalized to SFH620-2 & SFH620-3 )
50
T
A
= 25°C
150
Collector current I
C
(mA)
40
30
20
10
I
F
= ±5mA
0
±50
±30
±20
±15
±10
100
50
0
-30
0
25
50
75
100
125
Ambient temperature T
A
( °C )
Forward Current vs. Ambient Temperature
60
Forward current I
F
(±mA)
50
40
30
20
10
0
-30
0
25
50
75
100
125
Ambient temperature T
A
( °C )
Relative Current Transfer Ratio
vs. Ambient Temperature
1.5
Current transfer ratio CTR (%)
0
2
4
6
8
10
Collector-emitter voltage V
CE
( V )
Current Transfer Ratio vs. Forward Current
320
280
240
200
160
120
80
40
0
1
2
5
10
20
50
Forward current I
F
(±mA)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
0.28
0.24
0.20
0.16
0.12
0.08
0.04
0
-30
0
25
50
75
100
Ambient temperature T
A
( °C )
DB92307-AAS/A1
V
CE
= 5V
T
A
= 25°C
SFH620-3
SFH620-2
SFH620-1
I
F
= ±10mA
V
CE
= 5V
Collector-emitter saturation voltage V
CE(SAT)
(V)
Relative current transfer ratio
I
F
= ±10mA
I
C
= 2.5mA
1.0
0.5
0
-30
0
25
50
75
100
Ambient temperature T
A
( °C )
30/7/97
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