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FRED Pt rectifiers operate up to 175C

Posted: 11 Jun 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Vishay? rectifiers? switching losses? diodes?

Vishay Intertechnology recently introduced 10 solderable FRED Pt Hyperfast and Ultrafast recovery rectifiers that include the 3A devices in the SMA package, 3A and 4A devices in the SMB package, and 4A and 5A devices in the SMC package. The rectifiers are designed to reduce switching losses in consumer products, LCD TVs, power supplies, and electronic ballast lighting.

The FRED Pt rectifiers offer designers a choice of current ratings, packages, and speeds to optimise efficiency in their applications. With forward currents up to 3A in the SMA package, 4A in the SMB package, and 5A in the SMC package, the devices increase power density to facilitate lower system costs. "U Speed" Ultrafast rectifiers offer the advantage of lower forward voltage while "H Speed" Hyperfast devices provide a lower reverse recovery charge.

The FRED Pt rectifiers are intended for power factor correction (PFC) diodes, boost diodes for discontinuous conduction mode (DCM) and critical conduction mode (CRM), and freewheeling diodes in power switching applications. The devices feature a planar structure and platinum doped lifetime control to guarantee high overall performance, ruggedness, and reliability characteristics. The components offer an operating junction temperature to 175C for a more robust design.

The devices offer an MSL moisture level of 1 per J-STD-020, LF maximum peak of 260C, and they are RoHS-compliant and halogen-free.

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