Low RDS(ON) MOSFETs for industrial applications

17th June 2014
Nat Bowers

A family of Large Can DirectFET MOSFETs has been introduced by International Rectifier. The devices are suitable for industrial applications requiring ultra-low on-state resistance (RDS(ON)) including high power DC motors, DC/AC inverters, and high current switching applications such as active ORing hot swap and eFuse.

The 7x9x0.7mm Large Can devices provide superior RDS(ON) performance leading to lower conduction losses and improved system efficiency. Similar to Small and Medium Can DirectFET devices, the Large Can provides dual-side cooling that can maximise thermal transfer and help increase power density. DirectFET also has the optimum die-to-footprint ratio, leading to a reduction in board space. Combined with its ultra-low profile (0.7mm), it is an ideal solution for space constrained, high power industrial power designs.

As with the entire DirectFET family, the industrial Large Can has wire bond-free construction for improving reliability performance. Moreover, the DirectFET package meets all RoHS requirements such as a completely lead-free bill of materials, and is, therefore, well suited for long lifecycle designs. Alternative high performance packages feature lead die attach under RoHS exemption 7(a) which is due to expire in 2016.

The 40-150V Large Can devices are qualified to industrial grade and moisture sensitivity level 1 (MSL1).

Pricing for the Large Can DirectFET power MOSFETs ranges from $1.40 (USD) for the IRF7748L1TRPBF to $1.78 (USD) for the IRF7739L1TRPBF each in 10,000 unit quantities. Production orders are available immediately.

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