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
7/12/00
OPTION G
7.62
0.26
0.5
Dimensions in mm
SURFACE MOUNT
OPTION SM
10.16
7.0
6.0
1.2
7.62
3.0
13°
Max
3.35
4.0
3.0
2.54
0.26
7.62
6.62
0.5
APPROVALS
lUL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
ll VDE 0884 in 3 available lead forms : -
- STD
- G form
- SMD approved to CECC 00802
lCertified to EN60950 by the following
Test Bodies :-
Nemko - Certificate No. P96101299
Fimko - Registration No. 190469-01..22
Semko - Reference No. 9620076 01
Demko - Reference No. 305567
DESCRIPTION
The 4N38, 4N38A series of optically coupled
isolators consist of infrared light emitting diode
and NPN silicon photo transistor in a standard
6 pin 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 BVCEO (80V min)
lHigh Isolation Voltage (5.3kVRMS ,7.5kVPK )
lAll electrical parameters 100% tested
lCustom electrical selections available
APPLICATIONS
lDC motor controllers
lIndustrial systems controllers
lMeasuring instruments
lSignal transmission between systems of
different potentials and impedances
OPTICALLY COUPLED
ISOLATOR
PHOTOTRANSISTOR OUTPUT
1
3 4
6
2 5
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 60mA
Reverse Voltage 6V
Power Dissipation 105mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BVCEO 80V
Collector-base Voltage BVCBO 80V
Emitter-collector Voltage BVECO 6V
Power Dissipation 160mW
POWER DISSIPATION
Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)
4N38X, 4N38AX
4N38, 4N38A
10.46
9.86
0.6
0.1 1.25
0.75
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
DB90047m-AAS/A1
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF)1.2 1.5 VIF = 10mA
Reverse Voltage (VR)6VIR = 10µA
Reverse Current (IR)10 µAVR = 6V
Output Collector-emitter Breakdown (BVCEO)80 VIC = 1mA
( note 2 )
Collector-base Breakdown (BVCBO)80 VIC = 100µA
Emitter-collector Breakdown (BVECO) 6 VIE = 100µA
Collector-emitter Dark Current (ICEO)50 nA VCE = 60V
Collector-base Dark Current (ICBO)20 nA VCE = 60V
Coupled Current Transfer Ratio (CTR) 20 %10mA IF , 10V VCE
Collector-emitter Saturation VoltageVCE(SAT) 1.0 V20mA IF , 4mA 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)
Turn-on Time ton 5µsVCC = 10V ,
Turn-off Time toff 5µsIC= 2mA, RL = 100Ω
( FIG 1)
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.
7/12/00
ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted )
Output
Output
RL = 100Ω
Input
10%
90% 90%
10%
ton
tr
FIG 1
VCC
toff
tf
DB90047m-AAS/A1
7/12/00
50
Ambient temperature TA ( °C )
150
0
200
Ambient temperature TA ( °C )
Collector power dissipation P C (mW)
60
30
20
10
40
50
-30 0 25 50 75 100 125
Collector Power Dissipation vs. Ambient Temperature
Forward Current vs. Ambient Temperature
100
Forward current I F (mA)
70
80
-30 0 25 50 75 100 125
1 2 5 10 20 50
0
0.4
0.6
0.8
1.0
1.2
0.2
1.4
VCE = 10V
TA = 25°C
Relative current transfer ratio
Relative Current Transfer Ratio
vs. Forward Current
Forward current IF (mA)
1 2 5 10 20 50
0
1.2
1.6
2.0
2.4
2.8
VCE = 1V
TA = 25°C
Relative current transfer ratio
Relative Current Transfer Ratio
vs. Forward Current
Forward current IF (mA)
0.8
0.4
0
0.5
1.0
1.5 IF = 10mA
VCE = 10V
Relative Current Transfer Ratio
vs. Ambient Temperature
Relative current transfer ratio
Ambient temperature TA ( °C )
-30 0 25 50 75 100 -30 0 25 50 75 100
Ambient temperature TA ( °C )
Collector-emitter saturation voltage V CE(SAT) (V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
0
0.04
0.08
0.12
0.16
0.20
0.24
0.28
IF = 20mA
IC = 4mA
DB90047m-AAS/A1
