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Low gate charge MOSFETs suit industrial apps

Posted: 17 Aug 2009     Print Version  Bookmark and Share

Keywords:MOSFET  power management  DC/DC 


International Rectifier has introduced new ultra low gate charge HEXFET power MOSFETs for industrial applications such as switch mode power supplies, UPS, inverters and DC motor drives.

IR's 150V MOSFETs offer up to 59 per cent lower total gate charge than competing devices while the new 200V MOSFETs feature up to 33 per cent lower total gate charge than competing devices.

"As DC/DC power converter applications advance and switching frequencies increase, input capacitance and gate charge play a significant role in overall efficiency. IR's new 150V and 200V MOSFETs are optimised for fast switching circuits where switching losses are critical, and, therefore, are well suited as a primary switch for isolated DC/DC converters for telecom applications or driving light load efficiency in any advanced DC/DC application," said Brian LaValle, marketing manager for power management devices business unit at IR.

The new MOSFETs are qualified to industrial grade and are moisture sensitivity level 1 (MSL1). The devices are available in TO220, D2PAK, TO262, DPAK and IPAK packages, offered lead free and are RoHS compliant.

The new devices are available immediately. Pricing begins at Rs.40.54 and Rs.40.06 ($0.83 and $0.82) each for the IRFB4615PBF and IRFB4620PBF respectively in 10,000-unit quantities. Prices are subject to change.

Get related application notes and technical articles on Power Design India.

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