Cosel USA

Cosel USA Employee Directory

Appliances, Electrical, and Electronics ManufacturingUnited States501-1000 Employees

Cosel is one of world's leading manufacturers of switch mode AC-DC power supplies, DC-DC converters and EMI filters. Cosel has been manufacturing highly reliable products since 1969. With Cosel’s commitment to quality, reliability, and customer service, and a very low field failure rate, Cosel has been the dependable choice for over 40 years. When quality is a must, reliability is critical, and technical service is crucial, Cosel stands alone.

Our state-of-the-art manufacturing facilities in Japan are ISO9001 and ISO14001 qualified utilizing TQM (Total Quality Management) systems.  Cosel recently opened a new facility in Wuxi in China in 2010 to expand production capability. Our continued focus on quality has helped Cosel to achieve a field failure rate less than 40ppm, which is much lower than industry average. All Cosel Products are safety qualified to meet international safety standards and compliance with the RoHS Directive.

We strive to provide the highest level of service through our regional sales office, staffed with application engineers and power supply professionals, supported by our franchised distributors and manufacture sales reps.  Cosel offers industry-leading service, and by utilizing cellular manufacturing, our standard lead times of 4-6 weeks are the shortest in the industry.

Cosel manufactures over 10,000 standards models of power products and EMI filters.  With AC/DC product ranging from 3-10,000 watts, and DC/DC parts from 1.5 to 700W,  Cosel will have a solution for your needs. We offer a wide range of options and accessories for our products including conformal coating, low leakage current, low speed fans and much more.

Find Cosel USA employees' phone numbers or email addresses

Cosel USA Global Highlights

Location
Employees

North America
19

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  • United States Of America
    19

Asia
1

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  • Japan
    1

Cosel USA's Leadership

  • Stylized image of a person
    M. B.
    Regional Sales Manager
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  • Stylized image of a person
    T. Y.
    Engineering Manager
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  • Stylized image of a person
    A. C.
    Office Administrator And Shipping Manager
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  • Stylized image of a person
    D. B.
    Strategic Accounts Manager East
    Phone icon

Contact profiles from Cosel USA

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    M. B.
    Regional Sales Manager
    Phone icon
    United StatesColorado
    May 30, 2024
  • Stylized image of a person
    T. Y.
    Engineering Manager
    Phone icon
    United StatesMassachusetts
    Oct 27, 2025
  • Stylized image of a person
    A. C.
    Office Administrator And Shipping Manager
    Phone icon
    United StatesKansas
    Apr 09, 2025
  • Stylized image of a person
    D. B.
    Strategic Accounts Manager East
    Phone icon
    Oct 23, 2024

Frequently Asked Questions

What is Cosel USA known for?

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Cosel USA was founded in 1969 operates in the Appliances, Electrical, and Electronics Manufacturing industry. The company's main headquarters is located in 1546 Montague Expy, San Jose, California 95131, US; you can contact the main corporate office by phone at . Explore Cosel USA's company overview page for more information.

What is Cosel USA's most common email format?

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Cosel USA employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Cosel USA email formats with LeadIQ.

How many employees does Cosel USA have currently?

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Cosel USA has approximately 501 employees as of October 2025. These team members are located across 2 continents, including North AmericaAsia.

Who are Cosel USA's key employees and leadership?

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As of October 2025, Cosel USA's key employees include:

  • Regional Sales Manager: M. B.
  • Engineering Manager: T. Y.
  • Office Administrator And Shipping Manager: A. C.
  • Strategic Accounts Manager East: D. B.

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