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Электронный компонент: SFH628A-4

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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
ISOCOM INC
720 E., Park Boulevard, Suite 104,
Plano, TX 75074 USA
Tel: (972) 423-5521
Fax: (972) 422-4549
31/7/97
DB92514-AAS/A1
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
'X' SPECIFICATION APPROVALS
l
VDE 0884 approval pending
DESCRIPTION
The SFH628A 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
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.
l
Low input current 0.5mA I
F
l
High Current Transfer Ratios
(63-500% at 1mA, 32% min at 0.5mA)
l
High Isolation Voltage (5.3kV
RMS
,7.5kV
PK
)
l
High BV
CEO
(55V min)
l
All electrical parameters 100% tested
l
Custom electrical selections available
APPLICATIONS
l
Computer terminals
l
Industrial systems controllers
l
Measuring instruments
l
Signal transmission between systems of
different potentials and impedances
5.08
4.08
SFH628A-2, SFH628A-3,
SFH628A-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
Power Dissipation
70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
55V
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
10.2
9.5
OPTION SM
SURFACE MOUNT
OPTION G
1.4
0.9
1.2
0.6
DB92514-AAS/A1
31/7/97
PARAMETER
MIN TYP MAX UNITS TEST CONDITION
Input
Forward Voltage (V
F
)
1.5
V
I
F
= 5mA
Output
Collector-emitter Breakdown (BV
CEO
)
55
V
I
C
= 1mA
( Note 2 )
Emitter-collector Breakdown (BV
ECO
)
6
V
I
E
= 100
A
Collector-emitter Dark Current (I
CEO
)
200
nA
V
CE
= 10V
Coupled
Current Transfer Ratio (CTR) (Note 2)
SFH628A-2
63
200
%
1mA I
F
, 0.5V V
CE
SFH628A-2
32
%
0.5mA I
F
, 1.5V V
CE
SFH628A-3
100
320
%
1mA I
F
, 0.5V V
CE
SFH628A-3
50
%
0.5mA I
F
, 1.5V V
CE
SFH628A-4
160
500
%
1mA I
F
, 0.5V V
CE
SFH628A-4
80
%
0.5mA I
F
, 1.5V V
CE
Collector-emitter Saturation Voltage V
CESAT
SFH628A-2
0.4
V
1mA I
F
, 0.5mA I
C
SFH628A-3
0.4
V
1mA I
F
, 0.8mA I
C
SFH628A-4
0.4
V
1mA I
F
, 1.25mA 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.
Output
Output
R
L
= 100
Input
10%
90%
90%
10%
t
on
t
r
FIG 1
V
CC
t
off
t
f
SWITCHING CHARACTERISTICS
I
C
= 2mA, V
CC
= 5V, R
L
= 100
,
T
A
= 25C
(
Fig
1)
t
on
t
r
t
off
t
f
Turn-on Time
Rise Time
Turn-off Time
Fall Time
s
s
s
s
6.0
3.5
5.5
5.0
UNITS
DB92514-AAS/A1
31/7/97
50
-30 0 25 50 75 100 125
Ambient temperature T
A
( C )
150
0
200
Ambient temperature T
A
( C )
Collector power dissipation P
C
(mW)
60
30
20
10
0
40
50
-30 0 25 50 75 100 125
Collector Power Dissipation vs. Ambient Temperature
Forward Current vs. Ambient Temperature
-30 0 25 50 75 100
Ambient temperature T
A
( C )
Collector-emitter voltage V
CE
( V )
Collector-emitter saturation voltage V
CE(SA
T
)
(V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
100
T
A
= 25C
0
0.8
1.2
1.6
2.0
0
0.04
0.08
0.12
0.16
0.20
0.24
0.28
Forward current I
F
(mA)
0 0.2 0.4 0.6 0.8 1.0
Collector current I
C
(mA)
Relative current transfer ratio
Current Transfer Ratio vs. Forward Current
(normalized to SFH628A-2 & SFH628A-3)
Forward current I
F
(mA)
Current transfer ratio CTR (%)
0
40
60
80
100
0
0.5
1.0
0.4
0.1 0.2 0.5 1 2 5
120
20
I
F
= 1mA
I
C
= 0.5mA
1.5
I
F
= 1mA
V
CE
= 0.5V
-30 0 25 50 75 100
Ambient temperature T
A
( C )
Relative Current Transfer Ratio
vs. Ambient Temperature
V
CE
= 0.5V
T
A
= 25 C
Collector Current vs. Low Collector-emitter
Voltage (normalized to SFH628A-2 & SFH628A-3)
I
F
= 1mA
I
F
= 0.5mA