Miniature barrier rectifiers

3 March 2010 Power Electronics / Power Management

Diodes Incorporated has expanded its super barrier rectifier (SBR) portfolio with the introduction of five new products packaged in DFN1006-2, SMA and ITO220S. This new portfolio provides similar electrical performance to existing Schottky diodes whilst providing performance benefits such as low high-temperature reverse leakage, higher avalanche capabilities and thermal stability.

The SBR0240LP packages a 40 V, 0,25 A SBR in the tiny DFN1006-2 to address protection, voltage clamping and blocking circuit functions. The SBR20100CTP is the first SBR to be packaged in the isolated TO220 package. Providing an isolation of 2 kV, the latter delivers a low forward voltage drop of 0,82 V at IF = 10 A at 25°C, making it a good replacement for the Schottky diodes in the output stage of switched mode power supplies.

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