1200-V SiC diode supports high-speed solar inverter applications
The FFSH40120ADN 1200 V diode’s combination of superior switching performance, higher reliability and low electromagnetic interference (EMI) make it ideal for next-generation solar inverters, industrial motor controls and welders which are all increasingly required to be more energy efficient at higher power densities.
The FFSH40120ADN diode claims to have the best leakage current performance in its class, leaking far less current than its competitors at temperatures up to 175ºC. The key benefits of the 1200 V SiC diode include its fast switching and no reverse recovery current, which reduces switching losses compared to silicon and results in superior energy efficiency. Faster switching also allows manufacturers to reduce the size of their products’ magnetic coils and associated passive components, which improves packaging efficiency, reduces system weight and can reduce bill-of-materials (BOM) costs.
The diode’s ability to switch stably across a wide temperature range is another factor contributing to the device’s performance, as is its zero recovery voltage which eliminates voltage overshoots.
The FFSH40120ADN diode also offers greater ruggedness and reliability compared to equivalent silicon-based diodes due to SiC having superior thermal performance to silicon. The breakdown field of SiC is 10x higher than that of silicon and SiC also has 3x greater thermal conductivity.
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