Diodes Inc. Rectifiers Increase Efficiency & Reduce Form Factor

Date
02/12/2011

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Diodes has expanded its portfolio of patented Super Barrier Rectifiers (SBR) with the introduction of 12A and 15A rated devices in the compact PowerDI®5 package. As the output rectifiers in space limited SMPS design, the SBRs are characterized by an ultra low forward voltage drop that delivers better efficiency and cooler operation than standard Schottky rectifiers. The 12A rated SBR12U100P5 and SBR12U120P5 offer blocking voltage capabilities of 100V and 120V respectively and suit slim laptop, netbook adapter, LCD and LED TV applications. The 15A rated version, the SBR15U30SP5, will in addition fit next generation solar panel design, where low profile bypass diodes are mounted directly beneath the glass. As an illustration of the devices' low VF performance, it is typically 0.63V for the SBR12U120P5, for a forward current of 12A at an operating temperature of 125°C. With a thermally efficient clip bond helping to achieve a higher forward surge rating, the PowerDi5 packaged SBRs also raise power supply reliability, by offering increased protection against large turn-on spikes and better overall thermal heat transfer than larger packaged rectifiers. Compared to the SMC package, the PowerDI5's 26mm2 footprint is 41% smaller and its height of 1.15mm is half that of the DPAK (TO252) package. The 12A rated SBR12U100P5 and SBR12U120P5 are priced at $0.33 each in 10k quantities. The 15A rated version, the SBR15U30SP5, is priced at $0.35 each in 10k quantities. For further information visit www.diodes.com

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