IS204X,ISD204X,ISQ204X3,2,1
IS204,ISD204,ISQ204-3,-2,-1
LOW INPUT CURRENT
PHOTOTRANSISTOR OPTICALLY
COUPLED ISOLATORS
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
OPTION SM
SURFACE MOUNT
OPTION G
IS204X3,2,1
IS204-3,-2,-1
2.54
7.0
6.0
1
2
3
Dimensions in mm
6
5
4
1.2
7.62
6.62
7.62
4.0
3.0
0.5
3.0
0.5
3.35
0.26
13°
Max
ISD204X3,2,1
ISD204-3,2,1
2.54
1
7.0
6.0
2
3
4
8
7
6
5
7.62
4.0
3.0
0.5
13°
Max
0.26
1
2
3
4
5
7.0
6.0
6
7
8
7.62
4.0
3.0
0.5
13°
Max
0.26
16
15
14
13
12
11
10
9
1.2
10.16
9.16
3.0
0.5
3.35
ISQ204X3,2,1
ISQ204-3,2,1
2.54
7.62
1.2
20.32
19.32
0.6
0.1
10.46
9.86
1.25
0.75
0.26
10.16
3.0
0.5 3.35
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
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
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature
-40°C to + 125°C
Operating Temperature
-25°C to + 100°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
Forward Current
Reverse Voltage
Power Dissipation
50mA
6V
70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
Emitter-collector Voltage BV
ECO
Power Dissipation
POWER DISSIPATION
Total Power Dissipation
170mW
(derate linearly 2.67mW/°C above 25°C)
ELECTRICAL CHARACTERISTICS ( T
A
= 25°C Unless otherwise noted )
PARAMETER
Input
Forward Voltage (V
F
)
Reverse Current (I
R
)
Output
Collector-emitter Breakdown (BV
CEO
)
( Note 2 )
Emitter-collector Breakdown (BV
ECO
)
Collector-emitter Dark Current (I
CEO
)
Current Transfer Ratio (CTR) (Note 2)
IS204-3, ISD204-3, ISQ204-3
IS204-2, ISD204-2, ISQ204-2
IS204-1, ISD204-1, ISQ204-1
70
6
100
MIN TYP MAX UNITS
1.2
1.4
10
V
µ
A
70V
6V
150mW
TEST CONDITION
I
F
= 20mA
V
R
= 4V
I
C
= 1mA
I
E
= 100
µ
A
V
CE
= 20V
0.5mA
1.0mA
0.5mA
1.0mA
I
F
,
I
F
,
I
F
,
I
F
,
0.4V
0.4V
0.4V
0.4V
V
CE
V
CE
V
CE
V
CE
V
V
nA
Coupled
70
100
50
50
0.4
0.4
0.4
%
%
%
%
V
V
V
V
RMS
V
PK
Ω
µ
s
µ
s
Collector-emitter SaturationVoltage -3
-2
-1
Input to Output Isolation Voltage V
ISO
5300
7500
Input-output Isolation Resistance R
ISO
5x10
10
Output Rise Time tr
4
Output Fall Time tf
3
0.5mA I
F
, 0.35mA I
C
0.5mA I
F
, 0.25mA I
C
1.0mA I
F
, 0.5mA I
C
See note 1
See note 1
V
IO
= 500V (note 1)
V
CE
= 2V ,
I
C
= 0.2mA,R
L
= 100
Ω
18
18
Note 1
Note 2
Measured with input leads shorted together and output leads shorted together.
Special Selections are available on request. Please consult the factory.
7/2/03
DB92237m-AAS/A4
Collector Power Dissipation vs. Ambient Temperature
200
Collector power dissipation P
C
(mW)
2.0
150
Collector current I
C
(mA)
1.6
Collector Current vs. Low
Collector-emitter Voltage
T
A
= 25°C
I
F
= 1mA
1.2
0.8
I
F
= 0.5mA
0.4
0
100
50
0
-30
0
25
50
75
100
125
Ambient temperature T
A
( °C )
Forward Current vs. Ambient Temperature
60
Relative current transfer ratio
50
Forward current I
F
(mA)
40
30
20
10
0
-30
0
25
50
75
100
125
Ambient temperature T
A
( °C )
Collector-emitter Saturation
Voltage vs. Ambient Temperature
0.28
Current transfer ratio CTR (%)
0.24
0.20
0.16
0.12
0.08
0.04
0
-30
0
25
50
75
100
Ambient temperature T
A
( °C )
7/2/03
0
0.2
0.4
0.6
0.8
1.0
Collector-emitter voltage V
CE
( V )
Relative Current Transfer Ratio
vs. Ambient Temperature
1.5
I
F
= 1mA
V
CE
= 0.4V
1.0
0.5
0
-30
0
25
50
75
100
Ambient temperature T
A
( °C )
Current Transfer Ratio vs. Forward Current
120
Collector-emitter saturation voltage V
CE(SAT)
(V)
I
F
= 1mA
I
C
= 0.5mA
100
80
60
40
20
0
0.1
0.2
0.5
1
2
5
Forward current I
F
(mA)
DB92237m-AAS/A4
V
CE
= 0.4V
T
A
= 25°C
ADI Reference Circuit
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