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
DB92137-AAS/A2
DESCRIPTION
The H24A series of optically coupled isolators
consist of infrared light emitting diode and NPN
silicon photo transistor in a plastic package.
FEATURES
l
4 pin Dual-in-Line package
l
High Current Transfer Ratio available
(H24A1 = 100% min.)
l
High Isolation Voltage (3.75kV
RMS
,5.3kV
PK
)
l
No base connection gives improved
Common Mode Rejection
APPLICATIONS
l
DC motor controllers
l
Industrial systems controllers
l
Signal transmission between systems of
different potentials and impedances
4 PIN OPTICALLY COUPLED
ISOLATOR PHOTOTRANSISTOR
OUTPUT
ABSOLUTE MAXIMUM RATINGS
(25C unless otherwise specified)
Storage Temperature
-40C to + 85C
Operating Temperature
-25C to + 85C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260C
INPUT DIODE
Forward Current
50mA
Reverse Voltage
4V
Power Dissipation
75mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
30V
Emitter-collector Voltage BV
ECO
6V
Collector Current I
C
20mA
Power Dissipation
75mW
H24A1, H24A2
H24A3, H24A4
2
1
4
3
+
E
D
+
1
2
4
3
Dimensions in mm
0.5
6.35
0.63
0.63
8.89
7.62
2.54
9.53
7.62
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
DB92137-AAS/A2
PARAMETER
MIN TYP MAX UNITS TEST CONDITION
Input
Forward Voltage (V
F
)
1.2
1.7
V
I
F
= 20mA
Reverse Voltage (V
R
)
3
V
I
R
= 1
A
Reverse Current (I
R
)
10
A
V
R
= 4V
Output
Collector-emitter Breakdown (BV
CEO
)
30
V
I
C
= 1mA
( Note 2 )
Emitter-collector Breakdown (BV
ECO
)
6
V
I
E
= 100
A
Collector-emitter Dark Current (I
CEO
)
50
nA
V
CE
= 10V
Coupled
Current Transfer Ratio (CTR) (Note 2)
H24A1
100
%
10mA I
F
, 10V V
CE
H24A2
20
%
10mA I
F
, 10V V
CE
H24A3
75
%
10mA I
F
, 10V V
CE
H24A4
50
%
10mA I
F
, 10V V
C
Collector-emitter Saturation VoltageV
CE(SAT)
0.4
V
10mA I
F
, 0.5mA I
C
Input to Output Isolation Voltage V
IS0
3750
V
RMS
See note 1
5300
V
PK
See note 1
Input-output Isolation Resistance R
ISO
5x10
10
V
IO
= 500V (note 1)
Turn-on Time
ton
9
s
V
CE
= 10V ,
Turn-off Time
toff
4
s
I
C
= 2mA,R
L
= 100
Turn-on Time
ton
6.5
s
V
CE
= 5V ,
Turn-off Time
toff
165
s
I
F
= 10mA,R
L
= 10k
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 ( T
A
= 25C Unless otherwise noted )
DB92137-AAS/A2
7/12/00
25
-25 0 25 50 75 100 125
Ambient temperature T
A
( C )
75
0
100
Ambient temperature T
A
( C )
Collector power dissipation P
C
(mW)
60
30
20
10
0
40
50
-25 0 25 50 75 100 125
Collector Power Dissipation vs. Ambient Temperature
Forward Current vs. Ambient Temperature
50
Forward current I
F
(mA)
0
0.5
1.0
1.5
I
F
= 10mA
V
CE
= 10V
Ambient temperature T
A
( C )
-25 0 25 50 75 100
-25 0 25 50 75 100
Ambient temperature T
A
( C )
Collector-emitter saturation voltage V
CE(S
A
T)
(V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
0
0.04
0.08
0.12
0.16
0.20
0.24
0.28
I
F
= 10mA
I
C
= 0.5mA
1 2 5 10 20 50
0
0.4
0.6
0.8
1.0
1.2
0.2
1.4
Normalized output current
Normalized Output Current vs.
Forward Current
Forward current I
F
(mA)
0.1 1 10 100
1
10
Normalized output current
Normalized Output Current vs.
Collector-emitter Voltage
Collector-emitter voltage V
CE
( V )
0.1
0.01
T
A
= 25C
0.02
0.04
0.2
0.4
2
4
1.6
1.8
2.0
Normalized to
I
F
= 10mA
V
CE
= 5V
Pulsed
PW = 100
s
PRR = 100pps
I
F
= 60mA
20mA
10mA
2mA
5mA
Normalized Output Current
vs. Ambient Temperature
Normalized output current
Normalized to
I
F
= 10mA
V
CE
= 0.4V
Pulsed
PW = 100
s
PRR = 100pps
T
A
= 25C
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