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Rectifiers offer increased power density and system efficiency

17th April 2015


Vishay Intertechnology has introduced 16 new 10A to 30A FRED Pt Hyperfast and Ultrafast recovery rectifiers in the low-profile Surface Mount Power Device (TO-263AC) package.

Combining extremely fast and soft recovery characteristics with low leakage current and low forward voltage drop, the Vishay Semiconductors rectifiers reduce switching losses and over-dissipation in automotive and telecom applications while providing a high-density alternative to the TO-263 (D²PAK) package.

Available in AEC-Q101-qualified and standard versions, the FRED Pt rectifiers released today offer reverse voltages of 200 V and 600V, reverse recovery time down to 25ns, and typical forward voltage drop down to 0.75V in single- and dual-die configurations. Footprint-compatible with the TO-263 (D²PAK) package, the devices offer a lower package height of <1.7 mm for increased power density and efficiency and to enable slimmer end products.

Specified for output and snubber operation, the FRED Pt rectifiers are optimised for DC/DC converters, power factor correction (PFC), low-voltage inverters, and chopper motor drives in automotive engine control units (ECUs), antilock braking systems (ABS), LED lighting, and HID lighting, in addition to telecom DC/DC bricks. The devices feature a planar structure and platinum-doped lifetime control to guarantee high overall performance, ruggedness, and reliability characteristics in these applications. The components offer an operating junction temperature from -55°C to +175°C for a more robust design.

The devices provide an MSL moisture level of 1 per J-STD-020, feature an LF maximum peak of +260°C, meet the JESD 201 class 2 whisker test, and are RoHS-compliant and halogen-free. The rectifiers are suitable for automated placement and allow for automated optical inspection (AOI) in automotive systems.







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