Saturday, May 18, 2024

SiC Schottky Barrier Diodes Offer Faster Switching & Higher Efficiency

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Extremely fast and low loss switching ideal for data centers, building automation and other high-power electronics applications

Offering power electronics system designers a variety of performance advantages, including close-to-zero reverse recovery current, high surge capability and a maximum operating junction temperature of 175°C is the LSIC2SD170Bxx Series of SiC Schottky Diodes by Littelfuse. 

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This 1700 V class SiC diode series is ideal for applications that require enhanced efficiency, reliability and simplified thermal management. It is also suitable for a wide range of AC-DC and DC-DC power converters for industry, energy generation, and energy distribution/storage, including:

⦁ Industrial switch-mode power supplies 

⦁ Uninterruptable power supplies 

⦁ Battery chargers 

⦁ Solar inverters 

⦁ Industrial motor drives 

⦁ High-speed rectifiers

“Using SiC diodes in power designs instead of diodes based on legacy silicon-based technology helps designers develop more energy-efficient power converters, saving energy and reducing costs related to cooling the power electronics,” said Francois Perraud, Product Marketing Manager, SiC Products at Littelfuse. “They enable the design of faster switching power electronics in the converters which can then be made more compact at the same output power or pack more power in the same volume.”

The LSIC2SD170Bxx SiC Schottky diodes offer:

  • Positive temperature coefficient of the forward voltage for safe operation and ease of paralleling
  • Extremely fast, temperature-independent switching
  • Dramatically reduced switching losses compared to Si bipolar diodes
  • Optimised overall system efficiency

The LSIC2SD170Bxx SiC Schottky Diodes are available in the TO-247-2L package with a choice of current ratings (10A, 25A, or 50A). Sample requests can be placed through authorized Littelfuse distributors worldwide. 


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