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Vishay Schottky rectifiers optimized for 300W supplies

Posted: 27 Jul 2004 ?? ?Print Version ?Bookmark and Share

Keywords:schottky rectifier? vishay intertechnology? mbr60100ct?

A dual high-voltage, high-current Schottky rectifier that combines 100V reverse voltage and 60A forward current capabilities in the TO-220AB package was released by Vishay Intertechnology Inc.

Offering twice the current handling of typical 100V Schottky rectifiers in the TO-220AB, the MBR60100CT is optimized for 100W to 300W power supply applications, and is designed for secondary rectification of ac-dc and dc-dc converters and for freewheeling and polarity protection in power supplies for desktop and notebook PCs, servers, telecommunications exchanges, HDTV equipment, and other systems incorporating high-power switchmode power supplies.

Reduction of power loss in end systems

The new Schottky rectifier also features a typical forward voltage of 0.64V, maximum reverse leakage current of 20mA, and typical leakage current of 8.5mA. Together, the low industry-leading values combine to reduce power loss in end systems.

Other key electrical specifications for the MBR60100CT include a high forward surge current of 350A, a large peak nonrepetitive reverse surge energy per leg of 25mJ (8/20?s), high avalanche energy capability of 20mJ per leg (minimum at 40mH), and a high-voltage rate of change of 10,000V/?s. The maximum operating junction temperature is 175C.

Samples and production quantities of the dual high-voltage, high-current Schottky rectifiers are already available, with lead times of six weeks for larger orders.





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