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  6. Bourns Power Circuit Electronic Component Selection Guide

Bourns Power Circuit Electronic Component Selection Guide

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Bourns Inc.

last updated:Sep 26, 2025

セイワ 東京本社、関西支社、名古屋営業所、中国無錫  グループ会社 エレクトロン(長野県松本市)
セイワ 東京本社、関西支社、名古屋営業所、中国無錫  グループ会社 エレクトロン(長野県松本市)
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Bourns' technical support for the design cycle.

Bourns provides a variety of electronic components applicable to both linear power supplies and switch-mode power supplies. At Bourns, we continuously develop new products with miniaturization and innovative packaging in the fields of circuit protection components, circuit adjustment components, and position sensing control components, offering solutions that enable compliance with various standards and regulations. **Bourns' Technical Support for Design Cycles** - Rapid transformer design and prototype sample production - Design support using finite element analysis (FEA) software for reliability assurance and efficiency optimization - Application support including PCB layout, simulation, and testing - Compliance with global safety standards including IEC 61558-1 and EN600950 - Selection and real-world testing of robust and reliable primary/secondary circuit protection solutions - Optimization of power supply size, weight, and efficiency through a comprehensive product portfolio including circuit protection components and adjustment components.

    power supply
Bourns

Bourns Power Circuit Electronic Component Selection Guide

Bourns 電源回路 .png
Bourns 電源回路 .png
  • Seiwa Co., Ltd. - BOURNS Introduction Page
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Bourns is known as the manufacturer that developed the world's first resistance trimmer (Trimpot). Since its establishment in 1947, it has continued to develop a wide variety of electronic components to meet market needs and has achieved remarkable growth. The company actively engages in strategic acquisitions and invests in innovative new product development. It provides products to a wide range of markets, including communications, computers, industrial equipment, automotive, consumer electronics, medical devices, and audio. In addition to the products listed in the table, we offer a rich array of resistance components to meet various needs. - Thick film chip resistors - Thin film chip resistors - Metal strip chip resistors - High power shunts - Chip resistor arrays - Wirewound resistors - High power resistors - Resistor networks - Thick film resistor networks - Thin film resistor networks - Resistor-capacitor networks - AEC-Q200 compliant automotive resistors - Current sensing resistors - Pulse power resistors - High voltage resistors - Others We also have automotive-compatible products, so please feel free to contact us.

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We provide products for a wide range of markets, including communications, computers, industrial equipment, automobiles, consumer electronics, medical devices, and audio. We also have products suitable for automotive applications, so please feel free to contact us.

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Bourns Electronic Components Catalog

Bourns Electronic Components Catalog

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Bourns Selection Guide

Bourns Selection Guide

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Company information

セイワ

セイワ 東京本社、関西支社、名古屋営業所、中国無錫  グループ会社 エレクトロン(長野県松本市)

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The development of electronics has given people great dreams and has turned those dreams into reality, one by one. This development has been passed on to the 21st century, inspiring even greater dreams and hopes. I am deeply grateful and delighted to have been able to engage in work that contributes to this segment of the electronics industry. Moving forward, I will continue to serve as a conduit for the appropriate information on semiconductors and electronic components, so that I can help realize humanity's great dreams and support the product and information development of our clients. I am committed to walking alongside our clients and growing together in the information society of the 21st century. However, on the other hand, global environmental issues have become increasingly prominent. As a member of society, I feel the importance of leaving a rich natural environment for the future and preserving the fundamental value of humanity. I am determined to strive towards becoming a company that harmonizes with nature and society as we move towards an endless future.

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