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High Surge Current Overvoltage Protection

Featured Product from Littelfuse, Inc.

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Littelfuse Pxxx0S3N SIDACtors Provide High Surge Current Overvoltage Protection in Compact Package
Designed for industrial applications, including factory automation, Energy Storage Systems (ESS), and electric vehicle (EV) wall chargers
Littelfuse, Inc. an industrial technology manufacturing company empowering a sustainable, connected, and safer world, announced the new Pxxx0S3N SIDACtor® Protection Thyristor Series, which safeguards exposed interfaces in industrial and ICT applications, including RS-485 data interfaces and AC/DC power supplies. Providing equipment in harsh environments with increased protection from severe overvoltage transients assists designers in complying with regulatory requirements.

Available in a compact, DO-214AB (SMC) package, the Pxxx0S3N SIDACtor series is designed to provide 3kA (8/20) high-power surge protection with low thermal accumulation during long-term overvoltage events. A vital advantage of the Pxxx0S3N is that the switching voltage (VS) is much lower than Gas Discharge Tubes (GDT), and the on-state voltage (VT) is much lower than Metal Oxide Varistors (MOV) and Transient Voltage Suppressor (TVS) Diodes.

The Pxxx0S3N is ideal for use in various applications where hazardous environments exist, including:
•AC and DC power lines in factory automation, industrial / ICT applications,
•Power interface of Energy Storage Systems (ESS),
•Solar energy systems DC/AC inverters,
•UPS/AC high-power distribution grid,
•Electric vehicle (EV) charging systems.


“Ongoing product miniaturization requirements result in an increasing demand for compact, high-power-density solutions,” said Ben Huang, Senior Product Marketing Manager / Protection Semiconductor Business at Littelfuse. “Compared to MOVs and TVS diodes, the Pxxx0S3N SIDACtor is significantly smaller, and it is the first product of its size to provide such high surge current protection in such a small package.”

The Pxxx0S3N offers these key benefits:
•First DO-214AB (SMC) sized product on the market capable of withstanding 3kA (8/20) surges.
•Provides superior lower clamping when used in conjunction with a series MOV for power line protection.
• Low leakage extends the lifetime reliability of a series-connected MOV.
•Unlike GDTs/arrestors, the semiconductor-based SIDACtor does not have a wear-out mechanism over multiple transient events.
Availability
The Pxxx0S3N is available in tape and reel format in quantities of 3,000. Place ample requests through authorized Littelfuse distributors worldwide. For a listing of Littelfuse distributors, please visit Littelfuse.com.

 

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About Littelfuse
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Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer’s unique needs. We are also expanding into adjacent markets that complement our core business including power distribution centers for mining operations, generator controls and protection for marine applications, heavy-duty switches for commercial vehicles and electromechanical sensors used in the automotive industry.

Littelfuse is the preferred brand for leading manufacturers around the world, with more than 40 sales, manufacturing and engineering facilities and a global network of distribution channels.