ISOCOM SFH628-2, SFH628-3, SFH628-4 Datasheet
7/12/00
SFH628-2X, SFH628-3X, SFH628-4X,
SFH628-2, SFH628-3, SFH628-4
LOW INPUT CURRENT
PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS
APPROVALS
l UL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
l 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
l VDE 0884 approval pending
DESCRIPTION
The SFH628 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
l High Current Transfer Ratios
F
(63-500% at ±1mA, 32% min at ±0.5mA)
l High Isolation Voltage (5.3kV
l High BV
l All electrical parameters 100% tested
l Custom electrical selections available
(55V min)
CEO
RMS
,7.5kV
PK
APPLICATIONS
l Computer terminals
l Industrial systems controllers
l Measuring instruments
l Signal transmission between systems of
different potentials and impedances
OPTION SM
SURFACE MOUNT
OPTION G
7.62
2.54
7.0
6.0
Dimensions in mm
1
2
1.2
5.08
4.08
4.0
7.62
3.0
0.5
3.0
0.5
3.35
0.26
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
Power Dissipation 70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
Emitter-collector Voltage BV
Power Dissipation 150mW
CEO
ECO
POWER DISSIPATION
4
3
13°
Max
55V
6V
0.6
0.1
10.46
9.86
1.25
0.75
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
Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)
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
DB92395m-AAS/A1
7/12/00
ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF) 1.5 V IF = ±5mA
Output Collector-emitter Breakdown (BV
( Note 2 )
Emitter-collector Breakdown (BV
Collector-emitter Dark Current (I
) 55 V IC = 1mA
CEO
) 6 V IE = 100µA
ECO
) 200 nA VCE = 10V
CEO
Coupled Current Transfer Ratio (CTR) (Note 2)
SFH628-2 63 200 % ±1mA IF , 0.5V V
SFH628-2 32 % ±0.5mA IF , 1.5V V
SFH628-3 100 320 % ±1mA IF , 0.5V V
SFH628-3 50 % ±0.5mA IF , 1.5V V
SFH628-4 160 500 % ±1mA IF , 0.5V V
SFH628-4 80 % ±0.5mA IF , 1.5V V
Collector-emitter Saturation Voltage V
CESAT
SFH628-2 0.4 V ±1mA I
SFH628-3 0.4 V ±1mA I
SFH628-4 0.4 V ±1mA I
Input to Output Isolation Voltage V
Input-output Isolation Resistance R
ISO
ISO
5300 V
7500 V
10
5x10
RMS
PK
Ω V
, 0.5mA I
F
, 0.8mA I
F
, 1.25mA I
F
See note 1
See note 1
= 500V (note 1)
IO
CE
CE
CE
CE
CE
CE
C
C
C
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
IC = 2mA, VCC = 5V, RL = 100Ω, TA = 25°C (Fig 1)
UNITS
10%
t
on
t
r
t
off
t
f
t
on
6.0
3.5
5.5
5.0
t
r
µs
µs
µs
µs
t
off
t
f
10%
RL = 100Ω
Turn-on Time
Rise Time
Turn-off Time
Fall Time
V
CC
Input
Output
90%
90%
FIG 1
DB92395m-AAS/A1
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