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MOSFETs feature low thermal resistance <0.5°C/W

Posted: 26 Feb 2010     Print Version  Bookmark and Share

Keywords:MOSFET  on-state resistance  DC motor 


International Rectifier debuts a family of HEXFET power MOSFETs featuring IR's latest silicon technology and the company's first devices available in a 5mm x 6mm PQFN package with optimised copper clip and solder die. It includes the IRFH6200TRPbF that delivers what it claims to be the lowest on-state resistance (RDS(on)).

The IRFH6200TRPbF 20V device delivers industry leading RDS(on) of only 1.2mΩ (max.) at 4.5V Vgs to significantly cut conduction losses for DC motor drive applications such as hand tools.

"With a rich heritage and ongoing commitment to benchmark MOSFET technology, IR continues to blaze the trail in superior performance with the introduction of a family of MOSFETs that combines our latest generation silicon with PQFN packaging technology to deliver industry leading RDS(on)," said Doug Russell, VP, IR's power management devices business unit. "Moreover, our product roadmap will deliver an expansive portfolio of PQFN benchmark MOSFETs over the coming months in response to customer requirements," he added.

The 25V IRFH5250TRPbF and 30V IRFH53xxTRPbF devices are designed for DC switch applications such as active ORing and DC motor drive applications requiring high current carrying capability and high efficiency. The IRFH5250TRPbF features ultra low RDS(on) of 1.15mΩ (max.) combined with just 52nC gate charge (Qg) while the IRFH5300TRPbF delivers RDS(on) of only 1.4mΩ (max.) combined with only 50nC Qg.

In addition to achieving excellent thermal performance, as a result of using the IRFH6200TRPbF, IRFH5250TRPbF and IRFH53xxTRPbF, board space and cost are reduced compared to existing solutions as fewer parts are required for a given power loss.

All of the devices feature low thermal resistance (<0.5°C/W), are MSL1 industrial-qualified and RoHS-compliant containing no lead, bromide or halogen.

Pricing for the IRFH6200TRPbF, IRFH5250TRPbF and IRFH5300TRPbF begins at Rs.50.79 ($1.10), Rs.48.49 ($1.05) and Rs.46.18 ($1) each respectively in 10,000-unit quantities. Production orders are available immediately. Prices are subject to change.

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