About us

About us

About Us

AC/DC & DC/DC Power Supplies TAA Compliant

ETA-USA is a wholly owned US small business specializing in the design, manufacturing, and sale of AC/DC and DC/DC switching power supplies. Operating for over 29 years in the heart of Silicon Valley, ETA products have been used in a variety of applications.
  • Industrial
  • Medical
  • Telecommunications
  • AI Development Platforms
  • Military (Land, Sea, and Air)
  • Aviation
  • Transportation (Railway, Bussing, Ferry)
  • Satellite Ground Systems
  • Contact Us

    +1 (408)778-2793

    Working Hours

    Mon-Fri 09:00-05:00 PST

    External Power Supply:

    • Fully customizable connectors from our connector list
    • UL/CSA Approved. ROHS compliant. PSE certification available upon request

    AC/DC Switching Power Supply

    From off-the-shelf to fully customized, ETA-USA will meet your switching power supply needs. All of our standard switching power supply will meet FCC Class B requirements when connected to a resistive load. Our expert staff has over 30 years of power supply industry and can support your custom power supply requirements from concept to production.

    Semi-Custom Power Supply:

    • Alternate Voltages and modifications available on standard product line.
    • Engineering fees waived on order of 10 or more.

    Custom Design:

    ETA-USA's facilities can accommodate your custom needs

    • ETA-USA will collaborate with you in obtaining UL safety approval
    • UL/CSA/VDE/TUV approved test facility for new product testing
    • ESS test equipment on site meeting UL 508 rating
    • Can build to Mil-Spec 461-704-801
    • RS485/TC PIP I2C Communications
    • High volume manufactured products

    BETA POWER

    Established in 2005 by ETA-USA’s founder and current President, NIPPON BETA POWER of Ohno, Japan is an 80,000 sq ft ISO 9001: 2015 registered manufacturing facility with both EMC and Environmental test labs with scaling capabilities to build over 20,000 units per month.