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SM712-02HTG Datasheet دیتاشیت PDF دانلود

دیتاشیت - Littelfuse - 600W Asymmetrical TVS Diode Array

شماره قطعه SM712-02HTG
شرح مفصل 600W Asymmetrical TVS Diode Array
تولید کننده Littelfuse 
آرم Littelfuse 


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SM712-02HTG شرح
TVS Diode Arrays (SPA® DDiiooddeess))
General Purpose ESD Protection - SM712
SM712 Series 600W Asymmetrical TVS Diode Array
RoHS Pb GREEN
Description
The SM712 TVS Diode Array is designed to protect RS-485
applications with asymmetrical working voltages (-7V to
12V) from damage due to electrostatic discharge (ESD),
electrical fast transients (EFT), and lightning induced surges.
The SM712 can absorb repetitive ESD strikes above the
maximum level specified in the IEC61000-4-2 international
standard without performance degradation and safely
dissipate up to 19A of 8/20us induced surge current (IEC-
61000-4-5) with very low clamping voltages.
Pinout and Functional Block Diagram
21
12V 12V
7V 7V
3
Life Support Note:
Not Intended for Use in Life Support or Life Saving Applications
The products shown herein are not designed for use in life sustaining or life saving
applications unless otherwise expressly indicated.
Features
• ESD, IEC61000-4-2,
±30kV contact, ±30kV air
• EFT, IEC61000-4-4, 50A
(5/50ns)
• Lightning, IEC61000-4-5,
19A (tP=8/20μs)
• Working Voltages: -7V to
12V
• Low clamping voltage
• Low leakage current
• AEC-Q101 Qualified
Applications
• RS-485
• Fieldbus
• Modbus
• Profibus
• DMX512
• Security Systems
• Automated Teller Machines
(ATMs)
• Automation Equipments
• Communication
Equipments
RS-485 Application Example
RS-485 Port
Receiver
A
B
IC
SM712
GND
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/09/14

قانون اساسیصفحه 5
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