Wolfspeed four new SiC Schottky diodes target PFC boost stages

Wolfspeed added four new SiC Schottky diodes to its portfolio in response to continuous demand for components with larger nominal current ratings. The new 650 and 1200 V Z-Rec SiC Schottky diodes include zero reverse recovery current, zero forward recovery voltage, high frequency operation with low EMI, temperature-independent switching behavior, fast switching, reduced heat sink requirements, near-zero switching losses, and higher efficiency compared to analogous silicon diodes. A positive temperature coefficient on VF also enables parallel devices without thermal runaway, and each of the four new diodes provides engineers with an attractive price/performance ratio when compared to competitive offerings.

The new 650 V 12 A C3D12065A and 16 A C3D16065A Z-Rec SiC Schottky diodes are supplied in TO-220-2 packages, and are targeted at PFC boost stages in server power supplies, especially next-generation systems rated for 1,100 W, 1,600 W, 2,000 W, and 2,400 W with low-line or high-line inputs. They’re also available as bare die with part numbers: CPW2-06500S012B and CPW2-0650-S016B. The new 650 V 2 x 15 A C3D30065D Z-Rec diodes are supplied in TO-247-3 packages, and are best suited for rectification applications in 3 – 5 kW power supplies. Also supplied in TO-247-3 packages, the new 1,200 V 2 x 7.5 A C4D15120D Z-Rec diodes are ideal for use in PV inverters and on- and off-board chargers.

Additionally, all four new diodes have a dV/dt rating of 200 V/ns. All four of the new Z-Rec SiC Schottky diodes are also halogen-free, RoHS compliant, and REACH certified. Wolfspeed: http://www.wolfspeed.com/power/products/sic-schottky-diodes/table

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