ISOCOM
COMPONENTS
IS281 ( Compact Range )
APPROVALS
UL 1577 Pending
Pin 1 Anode
Pin 2 Cathode
Pin 4 Collector
Pin 3 Emitter
DESCRIPTION
The IS281 is an optically coupled isolator consisting of
an infrared light emitting diode and an NPN silicon
photo transistor. It belongs to Isocom’s Compact
range of opto-couplers
1
2
THP_
4
3
FEATURES
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•
•
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Low profile package ( half pitch )
AC Isolation test voltage 3750V
RMS
Low coupling capacitance typically 0.3pF
CTR selections available
Wide temperature range
Lead free
Halogen Free
ABSOLUTE MAXIMUM RATINGS
APPLICATIONS
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Power Supply Feedback Voltage/Current
Industrial system controllers
Measuring instruments
Signal transmission between systems of
different potentials and impedance
Input Diode
Forward Current
Reverse Voltage
Power dissipation
Derating Factor > 90°C
Output Transistor
Collector to Emitter Voltage
Emitter to Collector Voltage
Collector Current
Power Dissipation
Derating Factor > 70°C
80V
7V
50mA
150mW
3.1mW / °C
60mA
6V
70mW
2mW / °C
ORDER INFORMATION
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Available in Tape and Reel with 1000 & 5000
pieces per reel
MARKING INFORMATION
Please note that the device will be marked with the
generic part number “THP*” the date code will also be
marked on the device.
* Denotes internal binning identification
Total Package
Isolation test Voltage
Operating Temperature
Storage Temperature
3750V
RMS
-55 to 110 C
-55 to 150 C
ISOCOM COMPONENTS 2004 LTD
Unit 25B, Park View Road West, Park View Industrial Estate
Hartlepool, Cleveland, TS25 1UD, United Kingdom
Tel: +44 (0)1429 863 609 Fax : +44 (0)1429 863 581
e-mail: sales@isocom.co.uk
http://www.isocom.com
ISOCOM COMPONENTS ASIA LTD
Hong Kong Office, 1712-1713
Laurels Industrial Centre, 32 Tai Yau Street,
San Po Kong, Kowloon, Hong Kong.
Tel: +852 2995 9217 Fax : +852 8161 6292
e-mail sales@isocom.com.hk
1 16/03/2010
DC93152E
ISOCOM [ ISOCOM COMPONENTS ]
