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Superjunction MOSFETs enable more control for optimized power designs

New entry into competitive power semiconductor market offers 650-V-rated models in a wide variety of package configurations

D3 Semiconductor introduced the +FET line of 650-V-rated superjunction MOSFETs. +FET MOSFETs enable high-efficiency solutions for a range of hard-switched applications, including PFC boost and inverters used in telecom, enterprise computing, UPS, and solar.

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The new +FET product rollout includes over 50 devices with 13 different RDS(ON) ratings ranging from 1,000 mΩ to 32 mΩ. Packages types include: traditional thru-hole (TO-220/TO-220FP), surface-mount (DPAK/D2PAK), and advanced surface-mount (5 x 6/8 x 8) devices. For all package sizes and ratings, D3 Semiconductor’s +FET devices exhibit a Qg RDS(ON) Figure of Merit (FOM) that is among the highest available.

The high efficiency of the new +FET MOSFETs, gained by lowering switching and conduction losses, helps to simplify thermal management. The devices’ smooth switching behavior reduces switching noise and drives faster design cycles by lowering the need for snubber circuits. Their advantage of higher ampacity per package type improves power supply density, which, in turn, enables the use of advanced surface-mount packages in higher-power designs.

“In addition to the +FET’s excellent performance and reliability, our roadmap is changing the DNA of power devices by infusing mixed-signal functions into high-voltage switching devices,” said Tom Harrington, D3 Semi’s Chief Technology Officer.  

“The initial product lineup of +FET devices are high-performance superjunction MOSFETs that offer socket-for-socket alternatives to competitive parts,” said Marty Brown, Senior Consultant for D3. “Their capabilities place more control into the designer’s hands so that systems can be optimized for power density while reducing design cycle time. Extensive benchmarking of these products is already proving their world-class, competitive performance.”

For a product table showing the initial +FET product line, please go to: http://www.d3semi.com/MOSFET-Overview.

  • Pricing in USD for a 650-V/80-mΩ +FET in 1K quantities: $1.84
  • Typical lead times are 10 weeks

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