ISOCOM SFH620A-1, SFH620A-2, SFH620A-3 Datasheet
7/12/00
SFH620A-1, SFH620A-2, SFH620A-3
AC INPUT PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS
APPROVALS
l UL recognised, File No. E91231
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
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
F
(40-320% at ±10mA, 13% min at ±1mA)
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
RMS
,7.5kV
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
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
3.35
0.5
)
ABSOLUTE MAXIMUM RATINGS
0.26
(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
4
3
13°
Max
OPTION SM
SURFACE MOUNT
0.6
0.1
10.46
9.86
1.25
0.75
OPTION G
7.62
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
Collector-emitter Voltage BV
Emitter-collector Voltage BV
Power Dissipation 150mW
CEO
ECO
70V
6V
POWER DISSIPATION
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
DB92511m-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
( Note 2 )
Emitter-collector Breakdown (BV
Collector-emitter Dark Current (I
) 70 V IC = 1mA
CEO
) 6 V IE = 100µA
ECO
)
CEO
SFH620A-1,2 50 nA VCE = 10V
SFH620A-3 100 nA
Coupled Current Transfer Ratio (CTR) (Note 2)
SFH620A-1 40 125 % ±10mA IF , 5V V
SFH620A-2 63 200 %
SFH620A-3 100 320 %
SFH620A-1 13 % ±1mA IF , 5V V
SFH620A-2 22 %
SFH620A-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%
90%
90%
FIG 1
DB92511m-AAS/A1
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