Rectifiers outperform conventional switching diodes

15th March 2016
Posted By : Nat Bowers
Rectifiers outperform conventional switching diodes

Expanding its power semiconductor portfolio, Littelfuse has announced the MBR series Schottky barrier rectifiers (standard Schottky) and the DUR series ultrafast rectifiers. Designed to meet the general requirements of commercial and industrial applications, both series will be displayed at Electronica China, 15th to 17th March, 2016, in Shanghai, in Booth No. 3522 (E3 Hall).

The Schottky barrier rectifiers are popular with designers because of their extremely fast switching speed, very low forward voltage drop, low leakage and high junction temperature capability. Similarly, the DUR series ultrafast rectifiers are popular with designers because of their ultrafast switching speed with very low reverse recovery time, high blocking voltage (up to 1,200V), low leakage and low forward voltage drop, which makes it possible to minimise power loss and increase efficiency during converter operation. Their higher junction temperature capability and low leakage provide higher reliability in harsh, high temperature environments.

Typical applications for MBR series include UPS systems, high frequency SMPSs and DC/DC converters, as well as use as free-wheeling diodes and polarity protection diodes. The DUR series addresses those applications, and can also be used as anti-parallel diodes for high frequency switching devices such as IGBTs. Other applications include inductive heating/melting, ultrasonic cleaners and welders.

Corey Deyalsingh, Director, Power Control Semiconductors, Littelfuse, commented: “The MBR series and DUR series represent important new additions to the growing Littelfuse power semiconductor portfolio. I’m confident they will help us add depth to our power semiconductor product offerings and expand our applications coverage.”


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