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
31/3/03
DB92442m-AAS/A6
0.26
20.32
19.32
3.35
4.0
3.0
0.5
7.62
13°
Max
7.0
6.0
2.54
1.2
0.5
3.0
1.2
3.0
4.0
3.0
3.35
7.0
6.0
0.5
0.5
7.62
1
2
4
3
0.26
13°
Max
2.54
3.0
10.16
9.16
3.35
7.0
6.0
7.62
1.2
13°
Max
0.5 0.26
2.54
1
2
3
7
8
15
10
9
LOW INPUT CURRENT
PHOTODARLINGTON OPTICALLY
COUPLED ISOLATORS
APPROVALS
lUL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
lVDE 0884 in 3 available lead form : -
- STD
- G form
- SMD approved to CECC 00802
ll Certified to EN60950 by the following
Test Bodies :-
Nemko - Certificate No. P01102465
Fimko - Certificate No. FI18162
Semko - Reference No. 0202041/01-25
Demko - Certificate No. 311161-01
ll BSI approved - Certificate No. 8001
DESCRIPTION
The ISP815-3,-2,-1, ISP825-3,-2,-1, ISP845-3,-2,-1
series of optically coupled isolators consist of
infrared light emitting diodes and NPN silicon
photodarlingtons 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.
lLow input current 0.25mA IF
lHigh CurrentTransfer Ratio (200% min)
lHigh Isolation Voltage (5.3kVRMS )
lHigh BVCEO (70V min)
lAll electrical parameters 100% tested
lCustom electrical selections available
APPLICATIONS
lComputer terminals
lIndustrial systems controllers
lMeasuring instruments
lSignal transmission between systems of
different potentials and impedances
Dimensions in mm
5.08
4.08
1
2
3
4
8
4.0
3.0
0.5
16
4 13
6 11
5 12
14
6
5
7
ISP815X3,2,1
ISP815-3,2,1
ISP825X3,2,1
ISP825-3,2,1
ISP845X3,2,1
ISP845-3,2,1
ISP815X,ISP825X,ISP845X3,2,1
ISP815,ISP825,ISP845-3,-2,-1
OPTION G
7.62
SURFACE MOUNT
OPTION SM
10.16
0.26
10.46
9.86
0.6
0.1 1.25
0.75
DB92442m-AAS/A6
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)
ISP815-3, ISP825-3, ISP845-3 200 %0.25mA IF , 1.0V VCE
400 %0.5mA IF , 1.0V VCE
800 %1.0mA IF , 1.0V VCE.
ISP815-2, ISP825-2, ISP845-2 400 %0.5mA IF , 1.0V VCE
800 %1.0mA IF , 1.0V VCE
ISP815-1, ISP825-1, ISP845-1 800 %1.0mA IF , 1.0V VCE
Collector-emitter Saturation Voltage -3 1.0 V0.25mA IF , 0.5mA IC
-2 1.0 V0.5mA IF , 2mA IC
-1 1.0 V1.0mA IF , 8mA IC
Input to Output Isolation Voltage VISO 5300 VRMS See note 1
Input-output Isolation Resistance RISO 5x1010 ΩVIO = 500V (note 1)
Output Rise Time tr 60 300 µsVCE = 2V ,
Output Fall Time tf 53 250 µsIC = 10mA,RL= 100Ω
31/3/03
ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )
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.
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature -55°C to + 125°C
Operating Temperature -30°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 200mW
(derate linearly 2.67mW/°C above 25°C)
DB92442m-AAS/A6
31/3/03
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 saturation voltage VCE(SAT) (V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
100
0
6
10
0
0.2
0.4
0.6
0.8
1.0
1.2
Forward current IF (mA)
Collector Current vs.
Collector-emitter Voltage
0
0.5
1.0
1.5
0 1 2 3 4 5
4
2
8
Collector-emitter voltage VCE ( V )
Collector current IC (mA)
Relative Current Transfer Ratio
vs. Ambient Temperature
Relative current transfer ratio
IF = 1mA
VCE = 1V
-30 0 25 50 75 100
Ambient temperature TA ( °C )
Current Transfer Ratio vs. Forward Current
Forward current IF (mA)
Current transfer ratio CTR (%)
0
400
600
800
1000
0.1 0.2 0.5 1 2 5
1200
200 VCE = 1V
TA = 25 °C
TA = 25°C
IF = 1.0mA
IF = 0.25mA
IF = 1mA
IC = 8mA
IF = 0.5mA
