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
ISOCOM INC
720 E., Park Boulevard, Suite 104,
Plano, TX 75074 USA
Tel: (972) 423-5521
Fax: (972) 422-4549
9/6/97 DB92524-AAS/A1
LOW INPUT CURRENT
PHOTODARLINGTON OPTICALL Y
COUPLED ISOLATOR
DESCRIPTION
The 4N32-19 optically coupled isolator
consists of an infrared light emitting diode and
NPN silicon photodarlington in a space efficient
dual in line plastic package.
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.
lHigh CurrentTransfer Ratio (500% min)
lHigh Isolation Voltage (5.3kVRMS ,7.5kVPK )
lHigh BVCEO (60V 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
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature -55°C to + 150°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 80mA
Reverse Voltage 5V
Power Dissipation 105mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BVCEO 55V
Emitter-collector Voltage BVECO 6V
Power Dissipation 150mW
POWER DISSIPATION
Total Power Dissipation 250mW
(derate linearly 3.3mW/°C above 25°C)
1
3
24
6
5
Dimensions in mm
3.3
2.54
6.4
6.2
1.54
8.8
8.4 4.3
4.1
0.5
0.5 0.3
7.8
7.4
9.6
8.4
10.16
0.26
OPTION G
5.08
max.
SURFACE MOUNT
OPTION SM
1.2
0.6 1.4
0.9
10.2
9.5
4N32-19
APPROVALS
lUL recognised, File No. E91231
PARAMETER MI N TY P MAX UNITS TEST CONDITION
Input Forward Voltage (VF) 1.2 1.5 V IF = 10mA
Reverse Voltage (VR)3VI
R
= 10µA
Reverse Current (IR)10µAV
R
= 3V
Output Collector-emitter Breakdown (BVCEO)60 V I
C
= 1mA
Collector-base Breakdown (BVCBO)60 V I
C
= 100µA
Emitter-collector Breakdown (BVECO) 5 V I
E
= 100µA
Collector-emitter Dark Current (ICEO) 100 nA VCE = 10V
Coupled Collector Current (IC) 50 mA 10mA IF , 10V VCE
Collector-emitter Saturation Voltage 1.0 V 8mA IF , 2mA I C
Input to Output Isolation Voltage VISO 5300 VRMS (note 1)
7500 VPK (note 1)
Input-output Isolation Resistance RISO 5x1010 ΩVIO = 500V (note 1)
Output Rise Time t r 5 µsV
CC = 10V ,
Output Fall Time tf 100 µsI
F
= 200mA,
IC= 50mA
ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )
Note 1 Measured with input leads shorted together and output leads shorted together.
DB92524-AAS/A1
9/6/97
