ISOCOM SFH620-1, SFH620-2, SFH620-3 Datasheet
SFH620-1X, SFH620-2X, SFH620-3X
SFH620-1, SFH620-2, SFH620-3
AC INPUT PHOTOTRANSISTOR
OPTICALL Y COUPLED ISOLA T ORS
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 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.
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 ±1mA I
l High Current Transfer Ratios
l High Isolation Voltage (5.3kV
l High BV
l AC or polarity insensitive input
l All electrical parameters 100% tested
l Custom electrical selections available
(70V min)
CEO
F
,7.5kV
RMS
PK
APPLICATIONS
l Computer terminals
l Industrial systems controllers
l Measuring instruments
l Telephone sets, Telephone exchanges
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
70V
6V
1.2
0.6
1.4
0.9
0.26
10.2
9.5
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
Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)
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 ( TA = 25°C Unless otherwise noted )
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF) 1.65 V IF = ±50mA
Output Collector-emitter Breakdown (BV
)70 V IC = 1mA
CEO
( Note 2 )
Emitter-collector Breakdown (BV
Collector-emitter Dark Current (I
) 6 V IE = 100µA
ECO
)
CEO
SFH620-1,2 50 nA VCE = 10V
SFH620-3 100 nA
Coupled Current Transfer Ratio (CTR) (Note 2)
SFH620-1 40 125 % ±10mA IF , 5V V
SFH620-2 63 200 %
SFH620-3 100 320 %
SFH620-1 13 % ±1mA IF , 5V V
SFH620-2 22 %
SFH620-3 34 %
Collector-emitter Saturation Voltage V
Input to Output Isolation Voltage V
Input-output Isolation Resistance R
CESAT
ISO
ISO
0.4 V ±10mA I
5300 V
7500 V
10
5x10
RMS
PK
Ω V
F
See note 1
See note 1
= 500V (note 1)
IO
CE
CE
, 2.5mA I
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
1. Linear Operation (without saturation) Fig 1.
IF = 10mA, VCC = 5V, RL = 75Ω, TA = 25°C
UNITS
t
on
t
r
t
off
t
f
F
CO
t
on
t
3.0
2.0
2.3
2.0
250
r
µs
µs
µs
µs
kHz
t
off
t
f
10%
RL = 75Ω
Turn-on Time
Rise Time
Turn-off Time
Fall Time
Cut-off Frequency
V
CC
Input
Output
Output
10%
30/7/97
90%
90%
FIG 1
DB92307-AAS/A1
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