Littelfuse SM712 Series TVS Diode Array

发布时间:2015-11-9 16:02    发布者:eechina
关键词: Littelfuse , SM712 , TVS , 二极管
Littelfuse SM712 Series TVS Diode Array is a 600W Asymmetrical TVS diode array 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.

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 Equipment
Communication Equipment

Pinout and Functional Block Diagram
Littelfuse-SM712-diagram.jpg

View Product Details

Learn about Littelfuse Industrial Showcase
Learn More about Littelfuse TVS Diode Arrays SPA™
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