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H24A1, H24A2
H24A3, H24A4
4 PIN OPTICALLY COUPLED
ISOLATOR PHOTOTRANSISTOR
OUTPUT
DESCRIPTION
The H24A series of optically coupled isolators
consist of infrared light emitting diode and NPN
silicon photo transistor in a plastic package.
Dimensions in mm
9.53
+
1
2
D
+
E
1
4
3
2
6.35
4
3
0.63
FEATURES
l 4 pin Dual-in-Line package
l High Current Transfer Ratio available
(H24A1 = 100% min.)
l High Isolation Voltage (3.75kV
l No base connection gives improved
RMS
,5.3kV
Common Mode Rejection
APPLICATIONS
l DC motor controllers
l Industrial systems controllers
l Signal transmission between systems of
different potentials and impedances
0.5
PK
)
7.62
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature -40°C to + 85°C
Operating Temperature -25°C to + 85°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
Forward Current 50mA
Reverse Voltage 4V
Power Dissipation 75mW
0.63
2.54
8.89
7.62
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
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
Emitter-collector Voltage BV
Collector Current I
Power Dissipation 75mW
C
CEO
ECO
30V
6V
20mA
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
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ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted )
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF) 1.2 1.7 V IF = 20mA
Reverse Voltage (VR) 3 V IR = 1µA
Reverse Current (IR) 10 µA VR = 4V
Output Collector-emitter Breakdown (BV
( Note 2 )
Emitter-collector Breakdown (BV
Collector-emitter Dark Current (I
) 30 V IC = 1mA
CEO
) 6 V IE = 100µA
ECO
) 50 nA VCE = 10V
CEO
Coupled Current Transfer Ratio (CTR) (Note 2)
H24A1 100 % 10mA IF , 10V V
H24A2 20 % 10mA IF , 10V V
H24A3 75 % 10mA IF , 10V V
H24A4 50 % 10mA IF , 10V V
Collector-emitter Saturation VoltageV
Input to Output Isolation Voltage V
CE(SAT)
IS0
5300 V
Input-output Isolation Resistance R
ISO
Turn-on Time ton 9 µs VCE = 10V ,
Turn-off Time toff 4 µs IC = 2mA,RL= 100Ω
Turn-on Time ton 6.5 µs VCE = 5V ,
Turn-off Time toff 165 µs IF = 10mA,RL= 10kΩ
0.4 V 10mA I
3750 V
10
5x10
RMS
PK
Ω V
, 0.5mA I
F
See note 1
See note 1
= 500V (note 1)
IO
CE
CE
CE
C
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.
DB92137-AAS/A2