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
30/4/03
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
10.16
0.26
OPTION G
7.62
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
HIGH DENSITY MOUNTING
PHOTODARLINGTON OPTICALLY
COUPLED ISOLATORS
OPTION SM
SURFACE MOUNT
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
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
lBSI approved - Certificate No. 8001
PS2502-1X, PS2502-2X, PS2502-4X
PS2502-1, PS2502-2, PS2502-4
PS2502-1X
PS2502-1
PS2502-2X
PS2502-2
PS2502-4X
PS2502-4
10.46
9.86
0.6
0.1 1.25
0.75
DB92306m-AAS/A8
DESCRIPTION
The PS2502-1, PS2502-2, PS2502-4 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.
lHigh Current Transfer Ratio (200%min)
lHigh Isolation Voltage (5.3kVRMS ,7.5kVPK )
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
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF)1.2 1.4 VIF = 10mA
Reverse Current (IR) 10 µA VR = 4V
Output Collector-emitter Breakdown (BVCEO)40 VIC = 0.5mA
( Note 2 )
Emitter-collector Breakdown (BVECO) 6 VIE = 100µA
Coupled Current Transfer Ratio (CTR) (Note 2)200 2000 %1mA IF , 2V VCE
Collector-emitter Saturation VoltageVCE (SAT) 1.0 V1mA IF , 2mA 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 60 300 µsVCE = 2V ,
Output Fall Time tf 53 250 µsIC = 10mA, RL= 100Ω
30/4/03
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 40V
Emitter-collector Voltage BVECO 6V
Power Dissipation 150mW
POWER DISSIPATION
Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)
DB92306m-AAS/A8
DB92306m-AAS/A8
30/4/03
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
0.2
0.4
0.6
0.8
1.0
1.2
Forward current IF (mA)
IF = 1mA
IC = 2mA
TA = 25°C
0
1
2
3
4
5
Collector-emitter Saturation
Voltage vs. Forward Current
Forward current IF (mA)
Collector-emitter saturation voltage VCE(SAT) (V)
Ic =1mA
5mA
30mA
50mA
6
0
0.5
1.0
1.5
Relative Current Transfer Ratio
vs. Ambient Temperature
Relative current transfer ratio
IF = 1mA
VCE = 2V
-30 0 25 50 75 100
Ambient temperature TA ( °C )
0 0.5 1.0 1.5 2.0 2.5 3.0
Collector Current vs. Collector-emitter Voltage
Collector-emitter voltage VCE ( V )
Collector current IC (mA)
0 1 2 3 4 5
0
20
40
60
80
100 TA = 25°C
IF = 1mA
10mA
5mA
2mA