SFH620A-1, SFH620A-2, SFH620A-3
SFH620A-1X, SFH620A-2X, SFH620A-3X
AC INPUT PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS
APPROVALS
UL recognised, File No. E91231
Package Code " EE "
'X' SPECIFICATIONAPPROVALS
VDE 0884 in 3 available lead form : -
- STD
- G form
- SMD approved to CECC 00802
DESCRIPTION
The SFH620A 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.
FEATURES
Options :-
10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.
Low input current ±1mA I
F
High Current Transfer Ratios
(40-320% at ±10mA, 13% min at ±1mA)
High Isolation Voltage (5.3kV
RMS
,7.5kV
PK
)
High BV
CEO
(70V min)
AC or polarity insensitive input
All electrical parameters 100% tested
Custom electrical selections available
APPLICATIONS
Computer terminals
Industrial systems controllers
Measuring instruments
Telephone sets, Telephone exchanges
Signal transmission between systems of
different potentials and impedances
OPTION SM
SURFACE MOUNT
OPTION G
7.62
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
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature
-55°C to + 125°C
Operating Temperature
-30°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
Collector Current
Power Dissipation
POWER DISSIPATION
Total Power Dissipation
200mW
70V
6V
50mA
150mW
±50mA
70mW
0.6
0.1
10.46
9.86
(derate linearly 2.67mW/°C above 25°C)
1.25
0.75
0.26
10.16
ISOCOMCOMPONENTSLTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1UD
Tel: (01429) 863609 Fax :(01429) 863581
27/11/08
DB92511
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
)
SFH620A-1,2
SFH620A-3
Current Transfer Ratio (CTR) (Note 2)
SFH620A-1
SFH620A-2
SFH620A-3
SFH620A-1
SFH620A-2
SFH620A-3
Collector-emitter SaturationVoltageV
CESAT
Input to Output Isolation Voltage V
ISO
Input-output Isolation Resistance R
ISO
Response Time (Rise), tr
Response Time (Fall), tf
Note 1
Note 2
5300
7500
5x10
10
4
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
0.4
V
V
RMS
V
PK
Ω
μS
μS
±10mA I
F
, 2.5mA I
C
See note 1
See note 1
V
IO
= 500V (note 1)
V
CE
= 2V, I
C
= 2mA
R
L
= 100Ω
Measured with input leads shorted together and output leads shorted together.
Special Selections are available on request. Please consult the factory.
V
CC
Input
R
L
= 100Ω
Output
Output
10%
t
r
t
f
t
on
t
off
10%
90%
90%
FIG 1
27/11/08
DB92511
Collector Power Dissipation vs. Ambient Temperature
200
Collector power dissipation P
C
(mW)
Collector Current vs. Collector-emitter Voltage
( normalized to SFH620A-2 & SFH620A-3 )
50
T
A
= 25°C
150
Collector current I
C
(mA)
40
30
±50
±30
±20
±15
100
20
10
±10
50
I
F
= ±5mA
0
-30
0
25
50
75
100
125
Ambient temperature T
A
( °C )
Forward Current vs. Ambient Temperature
60
0
0
2
4
6
8
10
Collector-emitter voltage V
CE
( V )
Current Transfer Ratio vs. Forward Current
320
Current transfer ratio CTR (%)
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
280
240
200
160
120
80
40
0
1
2
5
10
V
CE
= 5V
T
A
= 25°C
SFH620A-3
SFH620A-2
SFH620A-1
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
DB92511
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 )
27/11/08
100
Ambient temperature T
A
( °C )
Test/Measurement
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