ISOCOM SFH618A-2G, SFH618A-2SM, SFH618A-3, SFH618A-3SM, SFH618A-4G Datasheet
...
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
DB92372m-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 SFH618A 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.
l Low input current 0.5mA I
F
l High Current Transfer Ratios
(63-320% 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
SFH618A-2, SFH618A-3,
SFH618A-4
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 50mA
Reverse Voltage 6V
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 25°C)
OPTION G
7.62
SURFACE MOUNT
OPTION SM
10.16
0.26
10.46
9.86
0.6
0.1
1.25
0.75
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
7/12/00
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF) 1.5 V IF = 5mA
Reverse Voltage (VR) 6 V IR = 10µA
Reverse Current (IR) 10 µA VR = 6V
Output Collector-emitter Breakdown (BV
CEO
) 55 V IC = 1mA
( Note 2 )
Emitter-collector Breakdown (BV
ECO
) 6 V IE = 100µA
Collector-emitter Dark Current (I
CEO
) 200 nA VCE = 10V
Coupled Current Transfer Ratio (CTR) (Note 2)
SFH618A-2 63 125 % 1mA IF , 0.5V V
CE
SFH618A-2 32 % 0.5mA IF , 1.5V V
CE
SFH618A-3 100 200 % 1mA IF , 0.5V V
CE
SFH618A-3 50 % 0.5mA IF , 1.5V V
CE
SFH618A-4 160 320 % 1mA IF , 0.5V V
CE
SFH618A-4 80 % 0.5mA IF , 1.5V V
CE
Collector-emitter Saturation Voltage V
CESAT
SFH618A-2 0.4 V 1mA I
F
, 0.32mA I
C
SFH618A-3 0.4 V 1mA I
F
, 0.5mA I
C
SFH618A-4 0.4 V 1mA I
F
, 0.8mA 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
Ω V
IO
= 500V (note 1)
ELECTRICAL CHARACTERISTICS ( TA = 25°C 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
RL = 100Ω
Input
10%
90%
90%
10%
t
on
t
r
FIG 1
V
CC
t
off
t
f
SWITCHING CHARACTERISTICS
IC = 2mA, VCC = 5V, RL = 100Ω, TA = 25°C (Fig 1)
t
on
t
r
t
off
t
f
Turn-on Time
Rise Time
Turn-off Time
Fall Time
µs
µs
µs
µs
6.0
3.5
5.5
5.0
UNITS
DB92372m-AAS/A1
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