One of the fundamental differences between planar transformers and their traditional counterparts lies in the innovative planar technology they employ. In planar transformers, the windings are intricately crafted from ‘flat’ copper foil lead frames or seamlessly integrated into a PCB. These meticulously designed windings are then thoughtfully sandwiched between thin, lightweight ferrite cores.
This technological shift not only enables the transformation of bulky wire-wound transformers into sleek, efficient components but also ensures stringent quality control at every stage of production. As a result, planar transformers have become indispensable in designing cutting-edge, next-generation products, where performance and reliability are paramount.
The Advantages of Planar Transformers As well as the huge volume, profile, and weight advantages, planar transformers also provide superior efficiencies, highly effective cooling possibilities, unrivalled repeatability, multiple winding options, and can be applied to all switch-mode power supply topologies with customised pin positions/terminals.
What Industries Benefit from Planar Transformers? Planar technology is currently widely used in high-frequency battery chargers, inverters, hybrid vehicles, telecommunication rectifiers, solar and wind power, medical and defence applications, inductance charging, welding equipment, and many more.
Discover the History and Evolution of Planar Transformers, from their roots in the late 1800s to their transformative role in modern electronics.
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