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
7/2/03
IS204X,ISD204X,ISQ204X3,2,1
IS204,ISD204,ISQ204-3,-2,-1
DB92237m-AAS/A4
0.5
7.62
7.0
6.0
1.2
APPROVALS
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UL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
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VDE 0884 in 3 available lead forms : -
- STD
- G form
- SMD approved to CECC 00802
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IS204X is certified to EN60950 by the
following Test Bodies :-
Nemko - Certificate No. P01102464
Fimko - Certificate No. FI18166
Semko - Reference No. 0202037/01-22
Demko - Certificate No. 311158-01
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BSI approved - Cetificate No. 8001
DESCRIPTION
The IS204-3,-2,-1, ISD204-3,-2,-1, ISQ204-3,-
2,-1 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
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Options :-
10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.
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Low input current 0.5mA I
F
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High Current Transfer Ratio (50% min)
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High Isolation Voltage (5.3kV
RMS
,7.5kV
PK
)
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High BV
CEO
(70V min)
APPLICATIONS
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Computer terminals
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Industrial systems controllers
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Signal transmission between systems of
different potentials and impedances
10.16
9.16
7.0
6.0
7.62
1.2
13
Max
0.5
2.54
0.5
0.26
0.5
IS204X3,2,1
IS204-3,-2,-1
3
4
1
5
8
2
1
3
4
6
Dimensions in mm
LOW INPUT CURRENT
PHOTOTRANSISTOR OPTICALLY
COUPLED ISOLATORS
7.0
6.0
1.2
7.62
3.0
0.5
0.26
2.54
0.5
0.26
13
Max
3.0
13
Max
3.35
4.0
3.0
3.0
20.32
19.32
4.0
3.0
4.0
3.0
3.35
3.35
2.54
ISD204X3,2,1
ISD204-3,2,1
ISQ204X3,2,1
ISQ204-3,2,1
3
6
4
5
2
7
14
15
1
8
7.62
6.62
2
5
16
13
12
11
6
10
7
9
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
DB92237m-AAS/A4
PARAMETER
MIN TYP MAX UNITS TEST CONDITION
Input
Forward Voltage (V
F
)
1.2
1.4
V
I
F
= 20mA
Reverse Current (I
R
)
10
A
V
R
= 4V
Output
Collector-emitter Breakdown (BV
CEO
)
70
V
I
C
= 1mA
( Note 2 )
Emitter-collector Breakdown (BV
ECO
)
6
V
I
E
= 100
A
Collector-emitter Dark Current (I
CEO
)
100
nA
V
CE
= 20V
Coupled
Current Transfer Ratio (CTR) (Note 2)
IS204-3, ISD204-3, ISQ204-3
70
%
0.5mA I
F
, 0.4V V
CE
100
%
1.0mA I
F
, 0.4V V
CE
IS204-2, ISD204-2, ISQ204-2
50
%
0.5mA I
F
, 0.4V V
CE
IS204-1, ISD204-1, ISQ204-1
50
%
1.0mA I
F
, 0.4V V
CE
Collector-emitter SaturationVoltage -3
0.4
V
0.5mA I
F
, 0.35mA I
C
-2
0.4
V
0.5mA I
F
, 0.25mA I
C
-1
0.4
V
1.0mA I
F
, 0.5mA 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)
Output Rise Time
tr
4
18
s
V
CE
= 2V ,
Output Fall Time
tf
3
18
s
I
C
= 0.2mA,R
L
= 100
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.
7/2/03
ABSOLUTE MAXIMUM RATINGS
(25C unless otherwise specified)
Storage Temperature
-40C to + 125C
Operating Temperature
-25C to + 100C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260C
INPUT DIODE
Forward Current
50mA
Reverse Voltage
6V
Power Dissipation
70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
70V
Emitter-collector Voltage BV
ECO
6V
Power Dissipation
150mW
POWER DISSIPATION
Total Power Dissipation
170mW
(derate linearly 2.67mW/C above 25C)
ELECTRICAL CHARACTERISTICS ( T
A
= 25C Unless otherwise noted )
DB92237m-AAS/A4
7/2/03
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(S
A
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)
Collector Current vs. Low
Collector-emitter Voltage
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
Forward current I
F
(mA)
Current transfer ratio CTR (%)
0
40
60
80
100
0
0.5
1.0
I
F
= 0.5mA
I
F
= 1mA
0.4
0.1 0.2 0.5 1 2 5
120
V
CE
= 0.4V
T
A
= 25C
20
I
F
= 1mA
I
C
= 0.5mA
1.5
I
F
= 1mA
V
CE
= 0.4V
-30 0 25 50 75 100
Ambient temperature T
A
( C )
Relative Current Transfer Ratio
vs. Ambient Temperature
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