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Pulse Electronics Corporation (NYSE: PULS), a leading provider of electronic components, launches a new planar platform which increases throughput power for Pulse’s planar SMT transformers by 50% over transformers of comparable size to deliver up to 800 watts of power capability. These transformers are used for isolation and voltage conversion for switched mode power supplies in datacom and intermediate bus converter applications.
Pulse Electronic’s PH9278NL planar transformer is built on Pulse’s new ER25+ platform and can be customized depending on the application. The platform measures 33.5 x 26.8 x 18.3mm and delivers 50% greater power than transformers built on an ER28 platform, which measures 35.5 x 30.5 x 12.6mm. The increased power is achieved by increasing the effective cross-sectional area of the core by 40%. This results in lower core losses for a given number of winding turns. Additionally, copper losses can be reduced by removing some winding turns. The cost-effective flat coil windings have 50% lower direct current resistance compared to multilayer PCB technology. The core design allows for a compact inter-connection and termination of the winding elements.