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Vishay TMBS, Schottky rectifiers now in mini package

Posted: 08 Dec 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Vishay? Trench MOS Barrier Schottky? TMBS? Schottky rectifiers? SMPC?

Vishay Intertechnology Inc. has launched a miniature package type for its Trench MOS Barrier Schottky (TMBS) and planar Schottky rectifiers that enables higher-current-density power supply designs with its compact dimensions and ability to handle up to 100V and 12A.

With a 1.1mm height and 4.8-by-6.7mm footprint, the devices in the SMPC package are designed to provide more power in a smaller space for applications including secondary rectifiers and freewheeling circuitry for AC/AC and DC/DC converters; output rectification for small and medium power adaptors; switch mode power supplies in CE such as computers, LCD monitors and cellphones; flywheel and polarity protection for solenoid drive circuits in automotive and industry systems; and OR-ing diodes for telecommunication and industrial systems.

The three TMBS rectifiers in this SMPC package feature voltage ratings up to 100V and high current power densities of 8-12A. The 16 new planar Schottky rectifiers provide voltage ratings from 20V to 100V, and high current power densities from 3A to 10A. All the devices feature a very low forward voltage drop and special wide-bottom plate designs that provide greater heat dissipation than other packages of similar sizes.

The single- or dual-chip, surface-mount SMPC (TO-277A) package of these new rectifiers features solder pads that are compatible with other SMD devices, so no modification is needed to the PCB layout when they are used as higher-performing upgrades to existing devices.

Samples and production quantities of the SMPC-packaged rectifiers are available today, with lead times of six to eight weeks for immediate orders.




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