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Bridge rectifiers for switchmode power supplies

Posted: 14 Apr 2011 ?? ?Print Version ?Bookmark and Share

Keywords:forward voltage? bridge rectifiers? power efficiency? energy savings?

Vishay Intertechnology Inc. released two new single-phase single in-line bridge rectifiers in the GSIB-5S package with improved forward voltage (VF) over previous-generation devices and high forward surge current capability.

The LVB1560 offers a current rating of 15 A and low forward voltage drop down to 0.73 V at 7.5 A, while the LVB2560 features a current rating of 25 A and forward voltage down to 0.76 V at 12.5 A. The devices' low VF reduces power loss for increased power efficiency and energy savings.

These rectifiers feature maximum peak reverse voltage ratings of 600 V. Offering an oxide planar chip structure, the devices provide high case dielectric strength of 2,500 V RMS.

The LVB1560 and LVB2560 can be used for primary side AC/DC full-wave rectification in switch mode power supplies for high-efficiency desktop PCs, servers, telecommunication systems, home appliances, and white goods applications.

These devices, offering +275C, 10-second solder dipping process per JESD 22-B106, are compliant to RoHS Directive 2002/95/EC and WEEE 2002/96/EC, and are halogen-free according to the IEC 61249-2-21 definition.

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