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
4/2/03
0.26
20.32
19.32 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
0.26
13°
Max
2.54
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
Dimensions in mm
HIGH DENSITY MOUNTING
PHOTOTRANSISTOR
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
lBSI approved - Certificate No. 8001
DESCRIPTION
The PS2501-1,PS2501-2,PS2501-4 series of optically
coupled isolators consist of infrared light emitting
diodes 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.
lHigh Current Transfer Ratio ( 80% min)
lHigh Isolation Voltage (5.3kVRMS ,7.5kVPK )
lHigh BVCEO ( 80Vmin )
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
3.35
5.08
4.08
PS2501-1X, PS2501-2X, PS2501-4X
PS2501-1, PS2501-2, PS2501-4
PS2501-1X
PS2501-1
PS2501-2X
PS2501-2
PS2501-4X
PS2501-4
OPTION G
7.62
SURFACE MOUNT
OPTION SM
10.16
10.46
9.86
0.26
0.6
0.1 1.25
0.75
DB92402m-AAS/A4
DB92402m-AAS/A4
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)80 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)
PS2501-1,PS2501-2,PS2501-4 80 600 %5mA IF , 5V VCE
GR 100 300 %5mA IF , 5V VCE
Collector-emitter Saturation VoltageVCE (SAT) 0.3 V10mA 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 4µsVCE = 2V ,
Output Fall Time tf 3µsIC = 2mA, RL = 100Ω
4/2/03
ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )
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 80V
Emitter-collector Voltage BVECO 6V
Power Dissipation 150mW
POWER DISSIPATION
Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)
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.
DB92402m-AAS/A4
4/2/03
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
Collector-emitter saturation voltage VCE(SAT) (V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
100
TA = 25°C
0
1
2
3
4
5
0
0.04
0.08
0.12
0.16
0.20
0.24
0.28
IF = 10mA
IC = 2mA
Forward current IF (mA)
Collector-emitter Saturation
Voltage vs. Forward Current
Collector Current vs. Collector-emitter Voltage
Collector-emitter voltage VCE ( V )
Collector current IC (mA)
Current Transfer Ratio vs. Forward Current
Forward current IF (mA)
Current transfer ratio CTR (%)
1 2 5 10 20 50
0
80
120
160
200
240
0 2 4 6 8 10
0
10
20
30
40
50
40
50
30 20
10
15
TA = 25°C
280
320
IF = 5mA
Forward current IF (mA)
Collector-emitter saturation voltage VCE(SAT) (V)
Ic =1mA
3mA
5mA
10mA
15mA
0 5 10 15
6
VCE = 5V
TA = 25°C
Ambient temperature TA ( °C )
