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May 18th, 2013
 
Cree’s new power module enables higher-performance, more-reliable and lower-cost power conversion systems compared to state-of-the art silicon modules
 
Cree is introducing the industry’s first commercially available silicon-carbide (SiC) six-pack power module in an industry-standard 45-mm package.
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When replacing a silicon module with equivalent ratings, Cree’s six-pack module can reduce power losses by 75 percent, which leads to an immediate 70 percent reduction in the size of the heat sink or a 50 percent increase in power density.The new six-pack SiC module unlocks the traditional design constraints associated with power density, efficiency and cost, thereby enabling the designer to create high-performance, reliable and low-cost power-conversion systems. When compared to state-of-the-art silicon modules, the SiC 1.2 kV, 50 A modules deliver performance equivalent to silicon modules rated at 150 A.

The efficient switching of the SiC modules allows us to use them with significantly less derating than silicon IGBTs,” stated Dr. Jun Kang, research and applications manager, Yaskawa America, Inc. “This feature enables significantly higher frequency operation, which both increases fundamental output frequency and reduces passive component size in the motor drive.

Cree’s SiC power module family can also provide significant benefits to applications such as solar inverters, uninterruptible power supplies (UPS) and industrial power supplies,” explained Mrinal Das, product marketing manager, Cree Power and RF. “Even when designers simply substitute Si modules with SiC in motor-drive applications, the improved performance of SiC reduces power losses, leading to reduced cooling requirements and, in turn, to a reduction in size, weight, complexity and the overall cost of the power-electronics system.

The CCS050M12CM2 six-pack modules from Cree are available for immediate shipping.

 

 
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