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
6/9/00
DB92402-AAS/A2
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 pending
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 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
ISOCOM INC
1024 S. Greenville Ave, Suite 240,
Allen, TX 75002 USA
Tel: (214) 495-0755 Fax: (214) 495-0901
e-mail info@isocom.com
http://www.isocom.com
OPTION G
7.62
SURFACE MOUNT
OPTION SM
10.16
10.46
9.86
0.26
0.6
0.1 1.25
0.75
DB92402-AAS/A2
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF)1.2 1.4 VIF = 20mA
Reverse Voltage (VR) 5 VIR = 5µA
Reverse Current (IR) 5 µAVR = 5V
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 = 40V
Coupled Current Transfer Ratio (CTR) (Note 2)
PS2501-1,PS2501-2,PS2501-4 80 600 %5mA IF , 5V VCE
GR100300%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
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.
6/9/00
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 -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
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)
DB92402-AAS/A2
6/9/00
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
Collector-emitter saturation voltage V CE(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 I F (mA)
Collector-emitter Saturation
Voltage vs. Forward Current
Collector Current vs. Collector-emitter Voltage
Collector-emitter voltage VCE ( V )
Collector current I C (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 V CE(SAT) (V)
Ic =1mA
3mA
5mA
10mA
15mA
0 5 10 15
6
VCE = 5V
TA = 25°C
Ambient temperature TA ( °C )
