New High Frequency Ferrite Transformers Features Double-layer Shielding of Inner and Outer Layers, while Using Minimalist Skeleton Design

Press Release Summary:

  • 2.6W switching power supply transformers are used in household appliances
  • Meets electromagnetic interference performance to EN55022, pass 85/85 temperature and humidity testing to achieve IEC61558 and meet IEC60335 electrical performance and structural insulation requirements

Original Press Release:

Customized Transformer Solutions by ZETTLER Magnetics for Household Appliances

High Frequency Ferrite Transformers are a major component of switching power supplies, and choosing the right product configuration is a key element in any power supply design.

ZETTLER Magnetics' proven formula of close customer engagements focused on individual design requirements, combined with highly cost-effective manufacturing automation is perfectly suited for many industry applications.

Application example: Household Appliances

Recently, an industry-leading home appliance manufacturer asked ZETTLER Magnetics to design a 2.6W switching power supply transformer with a wide input voltage range that meets several critical requirements including: electromagnetic interference performance to achieve EN55022, pass 85/85 temperature and humidity testing to meet IEC61558, and meet IEC60335 electrical performance and structural insulation requirements.

A team of ZETTLER Magnetics engineers custom-designed a transformer by performing double-layer shielding of the inner and outer layers, while using minimalist skeleton design. The tailor-made transformer met the customer required design parameters, simplified materials during the design process, while also optimizing the electrical performance of the product, and enabling fully automated high-volume production.

ZETTLER Magnetics produces more than 40 million transformers per year and has power supplies ranging from more than 50 different form factors to 1W to 1KW. To support a wide range of applications from washing machines and kitchen appliances to lighting and the Internet of Things.

Please contact us with any of your Transformer Solutions needs and/or visit the ZETTLER Magnetics website for further details.

About ZETTLER Magnetics, Inc.

ZETTLER Magnetics, Inc., a ZETTLER Group company, provides application-engineering, sales, distribution and customer service for a wide variety of top quality transformers and magnetics components in North America. We cater to a broad spectrum of customers in diverse industries and across many applications.

ZETTLER Magnetics Transformers include epoxy sealed power transformers encapsulated switch-mode modules, open frame, low profile, switching transformers and chokes, while toroids include current sensing, zero phase current sensor, current transformers, PFC chokes and large power line filter inductors. ZETTLER Magnetics has the design and manufacturing capability to provide custom designs for the most specialized applications.

Contact the Author:

Anthon Vermaerke

Product Manager

ZETTLER Magnetics, Inc.


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