ISOCOM IS357 High density mounting phototransistor optically coupled isolatior Datasheet

IS357
HIGH DENSITY MOUNTING
PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS
Dimensions in mm
DESCRIPTION
The IS357 is an optically coupled isolator
consisting of an infrared light emitting diode and
NPN silicon photo transistor in a space efficient
dual in line plastic package.
FEATURES
z
Marked as FPT1.
z
Current Transfer Ratio MIN. 50%
Isolation Voltage (3.75kVRMS ,5.3kVPK )
All electrical parameters 100% tested
Drop in replacement for Sharp PC357
z
z
z
3.85+-0.3
APPLICATIONS
z
Computer terminals
z
Industrial systems controllers
z
Measuring instruments
z
Signal transmission between systems of
different potentials and
impedances
ISOCOMCOMPONENTSLTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1UD
Tel: (01429) 863609 Fax :(01429) 863581
27/11/08
DB92845
ABSOLUTEMAXIMUMRATINGS
(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
INPUTDIODE
Forward Current
Reverse Voltage
Power Dissipation
50mA
6V
70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BVCEO
Emitter-collector Voltage BVECO
Collector Current
Power Dissipation
35V
6V
50mA
150mW
POWER DISSIPATION
Total Power Dissipation
170mW
(derate linearly 2.26mW/°C above 25°C)
ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )
PARAMETER
Input
MIN TYP MAX UNITS
Forward Voltage (VF)
1.2
Reverse Current (IR)
Output
Coupled
V
IF = 20mA
10
μA
VR = 4V
V
IC = 0.5mA
100
V
nA
IE = 0.1mA
VCE = 20V
35
Emitter-collector Breakdown (BVECO)
Collector-emitter Dark Current (ICEO)
6
Current Transfer Ratio (CTR)
50
600
%
5mA IF , 5V VCE
80
130
200
300
160
260
400
600
%
%
%
%
5mA IF , 5V VCE
5mA IF , 5V VCE
5mA IF , 5V VCE
5mA IF , 5V VCE
0.2
V
20mA IF , 1.0mA IC
VRMS
VPK
See note 1
See note 1
Ω
μs
μs
VIO = 500V (note 1)
VCE = 2V ,
IC = 2mA, RL = 100Ω
Collector-emitter SaturationVoltageVCE (SAT)
Input to Output Isolation Voltage VISO
3750
5300
Input-output Isolation Resistance RISO 5x1010
Output Rise Time tr
4
Output Fall Time
tf
3
27/11/08
1.4
Collector-emitter Breakdown (BVCEO)
Optional CTR Grades: IS357A
IS357B
IS357C
IS357D
Note 1
TEST CONDITION
18
18
Measured with input leads shorted together and output leads shorted together.
DB92845
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