El Segundo, Calif.—International Rectifier's
IRF6643PbF is a 150-volt DirectFET MOSFET for isolated DC/DC converters operating from a 36-to-75 volt universal telecommunications input or 48-volt fixed-input systems. Delivering up to 35 amps, it touts superior thermal performance and higher efficiency in a footprint equal to that of a low-profile SO-8 package.
"IR's latest device in our DirectFET line-up minimizes conduction, switching and reverse-recovery losses by continuing to improve the critical parameters that determine the performance of power MOSFETs, RDS(on), Qg and Qgd. These improvements enable operation at higher current levels, while maintaining the smaller form factor of a single MOSFET," said Carl Blake, director of technical marketing for IR's Discrete Products. "Reducing board space by more than 50 percent, a single DirectFET MOSFET now can take the place of two or three SO-8 packages," he said.
The device features an RDS of 29 milliohms at Vgs =10, and its low inductance suits it for high-current synchronous rectifier sockets. With a Qg of 39 nC and Qgd of 11 nC, the IRF6643TRPbF is also suited as a primary-side MOSFET in isolated or intermediate DC bus converters. The IRF6643TRPbF is packaged in the medium-sized (MZ) DirectFET package.
Click here for the product datasheet. The IRF6643TRPbF is available immediately. It's priced at $1.24 each in 10,000-unit quantities. Prices are subject to change.
International Rectiifer, 1-310-252-7105, www.irf.com