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
7/12/00
0.26
20.32
19.32
3.35
4.0
3.0
0.5 13°
Max
7.0
6.0
2.54
1.2
0.5
3.0
1.2
3.0
3.35
7.0
6.0
0.5
0.5
7.62
0.26
13°
Max
2.54
10.16
SURFACE MOUNT
0.26
7.62
ISP814X3,2,1
ISP814-3,2,1
ISP824X3,2,1
ISP824-3,2,1
3.0
10.16
9.16 4.0
3.0
3.35
0.5
7.0
6.0
7.62
1.2
13°
Max
0.5 0.26
2.54
ISP844X3,2,1
ISP844-3,2,1
Dimensions in mm
LOW INPUT CURRENT A.C. INPUT
PHOTOTRANSISTOR OPTICALLY
COUPLED ISOLATORS
1
2
3
7
8
16
15
10
4 13
11
12
14
9
6
5
4
8
7
6
2
1
35
4
3
1
2
APPROVALS
lUL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
lVDE 0884 in 3 available lead form : -
- STD
- G form
- SMD approved to CECC 00802
lCertified to EN60950 by the following
Test Bodies :-
Nemko - Certificate No. P96102022
Fimko - Registration No. 192313-01..25
Semko - Reference No. 9639052 01
Demko - Reference No. 305969
DESCRIPTION
The ISP814-3,-2,-1, ISP824-3,-2,-1, ISP844-3,-2,-1
series of optically coupled isolators consist of two
infrared light emitting diodes connected in inverse
parallel 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.
lLow input current ± 0.25mA IF
lHigh Isolation Voltage (5.3kVRMS ,7.5kVPK )
lAll electrical parameters 100% tested
lCustom electrical selections available
APPLICATIONS
lIndustrial systems controllers
lSignal transmission between systems of
different potentials and impedances
OPTION G
OPTION SM
5.08
4.084.0
3.0
7.62
ISP814X,ISP824X,ISP844X3,2,1
ISP814,ISP824,ISP844-3,-2,-1
10.46
9.86
0.6
0.1 1.25
0.75
DB92449m-AAS/A4
DB92449m-AAS/A4
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF)1.2 1.4 VIF = ± 20mA
Output Collector-emitter Breakdown (BVCEO)70 VIC = 1mA
( Note 2 )
Emitter-collector Breakdown (BVECO)6VIE = 100µA
Collector-emitter Dark Current (ICEO)100 nA VCE = 20V
Coupled Current Transfer Ratio (CTR) (Note 2)
ISP814-3, ISP824-3, ISP844-3 20 %± 0.25mAIF ,0.4V VCE
40 %± 0.5mA IF , 0.4V VCE
80 %± 1.0mA IF , 0.4V VCE.
ISP814-2, ISP824-2, ISP844-2 40 %± 0.5mA IF , 0.4V VCE
80 %± 1.0mA IF , 0.4V VCE
ISP814-1, ISP824-1, ISP844-1 80 %± 1.0mA IF , 0.4V VCE
Collector-Emitter Saturation Voltage-3 0.4 V± 0.25mAIF,0.05mAIC
-2 0.4 V± 0.5mA IF , 0.2mA IC
-1 0.4 V± 1.0mA IF , 0.8mA 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 4 18 µsVCE = 2V ,
Output Fall Time tf 3 18 µs IC=0.05mA,RL=100Ω
7/12/00
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 -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
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)
DB92449m-AAS/A4
7/12/00
50
-30 0 25 50 75 100 125
Ambient temperature TA ( °C )
150
0
200
Ambient temperature TA ( °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 TA ( °C )
Collector-emitter saturation voltage V CE(SAT) (V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
100
0
0.6
1.0
0
0.06
0.12
0.18
0.24
0.30
0.36
0.42
IF = ±1mA
IC = 0.8mA
Forward current I F (±mA)
Collector Current vs. Low
Collector-emitter Voltage
0
0.5
1.0
1.5
0 0.2 0.4 0.6 0.8 1.0
0.4
0.2
0.8
Collector-emitter voltage VCE ( V )
Collector current I C (mA)
IF = ±1.0mA
Relative Current Transfer Ratio
vs. Ambient Temperature
Relative current transfer ratio
IF = ±1mA
VCE = 0.4V
-30 0 25 50 75 100
Ambient temperature TA ( °C )
IF = ±0.5mA
IF = ±0.25mA
Current Transfer Ratio vs. Forward Current
Forward current IF (±mA)
Current transfer ratio CTR (%)
0
40
60
80
100
0.1 0.2 0.5 1 2 5
120
20 VCE = 0.4V
TA = 25 °C
TA = 25°C
