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Diodes rolls out rectifier which reduces charger size

Posted: 15 May 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Diodes Incorporated? Super Barrier Rectifier? smartphone? tablet? charger?

Diodes Inc. recently introduced the 15A rated SBR15U50SP5 Super Barrier Rectifier (SBR). The company's new rectifier aims to meet the needs of the next generation smartphone and tablet chargers. Miniature SBR has been designed to tolerate the higher current pulses and operating temperatures of low-profile, discontinuous mode flyback charger designs. It is also characterized by low forward voltage and low reverse leakage.

Presenting a forward voltage of just 0.35V for a current of 10A at an ambient temperature of 90C, the SBR15U50SP5 ensures conduction losses are minimised, thereby increasing charger efficiency. Its low reverse leakage at higher temperatures means that blocking mode losses are also reduced, removing the risk of thermal runaway and raising reliability.

The SBR's electrical performance, combined with the low thermal resistance of the compact PowerDI-5 package, means that heat transfer is optimised, enabling much smaller, thinner charger designs to be achieved. Diodes' proprietary PowerDI-5 package occupies a maximum footprint of only 4.05x6.60mm and has an off-board profile of just 1.15mm.

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