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
lUL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
ll VDE 0884 in 3 available lead forms : -
- STD
- G form
- SMD approved to CECC 00802
lIS204X 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
lBSI 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
lOptions :-
10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.
ll Low input current 0.5mA IF
lHigh Current Transfer Ratio (50% min)
lHigh Isolation Voltage (5.3kVRMS ,7.5kVPK )
lHigh BVCEO (70V min)
APPLICATIONS
lComputer terminals
lIndustrial systems controllers
lSignal 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
36
4 5
27
14
15
18
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
DB92237m-AAS/A4
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF)1.2 1.4 VIF = 20mA
Reverse Current (IR)10 µA VR = 4V
Output Collector-emitter Breakdown (BVCEO)70 VIC = 1mA
( Note 2 )
Emitter-collector Breakdown (BVECO) 6 VIE = 100µA
Collector-emitter Dark Current (ICEO)100 nA VCE = 20V
Coupled Current Transfer Ratio (CTR) (Note 2)
IS204-3, ISD204-3, ISQ204-3 70 %0.5mA IF , 0.4V VCE
100 %1.0mA IF , 0.4V VCE
IS204-2, ISD204-2, ISQ204-2 50 %0.5mA IF , 0.4V VCE
IS204-1, ISD204-1, ISQ204-1 50 %1.0mA IF , 0.4V VCE
Collector-emitter SaturationVoltage -3 0.4 V0.5mA IF , 0.35mA IC
-2 0.4 V0.5mA IF , 0.25mA IC
-1 0.4 V1.0mA IF , 0.5mA IC
Input to Output Isolation Voltage VISO 5300 VRMS See note 1
7500 VPK See note 1
Input-output Isolation Resistance RISO 5x1010 ΩVIO = 500V (note 1)
Output Rise Time tr 418 µsVCE = 2V ,
Output Fall Time tf 318 µsIC = 0.2mA,RL= 100Ω
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
(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 50mA
Reverse Voltage 6V
Power Dissipation 70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BVCEO 70V
Emitter-collector Voltage BVECO 6V
Power Dissipation 150mW
POWER DISSIPATION
Total Power Dissipation 170mW
(derate linearly 2.67mW/°C above 25°C)
ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted )
DB92237m-AAS/A4
7/2/03
50
-30 0 25 50 75 100 125
Ambient temperature TA ( °C )
150
0
200
Ambient temperature TA ( °C )
Collector power dissipation PC (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 TA ( °C )
Collector-emitter voltage VCE ( V )
Collector-emitter saturation voltage VCE(SAT) (V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
100
TA = 25°C
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 IF (mA)
Collector Current vs. Low
Collector-emitter Voltage
0 0.2 0.4 0.6 0.8 1.0
Collector current IC (mA)
Relative current transfer ratio
Current Transfer Ratio vs. Forward Current
Forward current IF (mA)
Current transfer ratio CTR (%)
0
40
60
80
100
0
0.5
1.0
IF = 0.5mA
IF = 1mA
0.4
0.1 0.2 0.5 1 2 5
120
VCE = 0.4V
TA = 25°C
20
IF = 1mA
IC = 0.5mA
1.5 IF = 1mA
VCE = 0.4V
-30 0 25 50 75 100
Ambient temperature TA ( °C )
Relative Current Transfer Ratio
vs. Ambient Temperature
