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Vishay unveils 600V fast body diode MOSFETs

Posted: 26 May 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Vishay Intertechnology? MOSFET? renewable energy? industrial?

Vishay Intertechnology Inc. has announced three devices in its 600V EF series of fast body diode n-channel power MOSFETs. Featuring low reverse recovery charge and on-resistance, the Vishay Siliconix SiHx21N60EF, SiHx47N60EF and SiHx70N60EF promises to boost reliability and save energy in industrial, telecom, computing and renewable energy applications.

Built on second-generation superjunction technology, the 600V fast body diode MOSFETs offer a complement to Vishay's existing standard E series components, expanding the company's offering to devices that can be used in zero voltage switching (ZVS)/soft switching topologies such as phase-shifted bridges and LLC converter half bridges.

The SiHx21N60EF, SiHx47N60EF and SiHx70N60EF increase reliability in these applications by offering a 10x lower reverse recovery charge (Qrr) than standard MOSFETs. This allows the devices to regain the ability to block the full breakdown voltage more quickly, helping to avoid failure from shoot-through and thermal overstress.

600V EF series MOSFETs

The 21A SiHx21N60EF is offered in four packages, while the 47A SiHx47N60EF and 70A SiHx70N60EF are each available in two. The devices feature ultra-low on-resistance of 176m, 65m and 38m, respectively, and low gate charge. These values translate into extremely low conduction and switching losses to save energy in high-power, high-performance switch mode applications, including solar inverters, server and telecom power systems, ATX/Silver box PC SMPS, welding equipment, UPS, battery chargers and semiconductor capital equipment.

The devices are designed to withstand high energy pulses in the avalanche and commutation mode with guaranteed limits through 100 per cent UIS testing. The MOSFETs are RoHS-compliant and halogen-free.

Samples of the EF series MOSFETs are available. Production quantities will be available in 2Q15, with lead times of 18-20 weeks for large orders.

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