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Power Electronics Europe News
Planar transformer series is engineered for high frequency, smaller spaces
The planar transformers have features required to meet today's high frequency, smaller space power conversion application requirements, said the company. These forward converter transformers have high volumetric power density and low loss in a compact, low height package.

They also have enhanced thermal conduction and heat dissipation for greater reliability. Planar-style transformer components increase design flexibility and offer efficiency advantages over conventional wirewound transformer designs due to significantly reduced AC resistance losses, explains Bourns. The PLN0xx-ED21 transformers have leakage inductance from 0.29μH to 0.60μH and a volt-second time of 81.6V-µsec.

The series offers 33 to 57V input voltage, 5.0 to 12V output voltage at 4.0 to 14A output with various turns ratios. As a result, the planar transformers are suitable for power conversion in high density industrial power systems, low profile switched mode power supplies (SMPS), LED lighting applications, battery management systems and PoE applications. 

Standard PWB material is used for the transformer windings, which are soldered to an SMT header to create a surface mount component designed for ease of assembly. The company’s custom magnetics product engineers are able to support many modification and customisation requests.

The PLN0xx-ED21 series planar transformers are available now and are RoHS-compliant.



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