GEN2 650V SiC Schottky Diodes Offer Improved Efficiency, Reliability and Thermal Management

GEN2 650V SiC Schottky Diodes Offer Improved Efficiency, Reliability and Thermal Management

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Power Semiconductor sic schottky LSIC2SD065DxxA LSIC2SD065ExxCCA group image

Littelfuse, Inc. today introduced two second-generation series of 650V, AEC-Q101-qualified silicon carbide (SiC) Schottky Diodes. The LSIC2SD065CxxA and LSIC2SD065AxxA Series SiC Schottky Diodes are available with a choice of current ratings (6A, 8A, 10A, 16A or 20A). They offer power electronics system designers a variety of performance advantages, including negligible reverse recovery current, high surge capability, and a maximum operating junction temperature of 175°C, so they are ideal for applications that require enhanced efficiency, reliability, and thermal management.

When compared to standard silicon PN-junction diodes, the 650V Series SiC Schottky Diodes support dramatic reductions in switching losses and substantial increases in the efficiency and robustness of a power electronics system. Because they dissipate less energy and can operate at higher junction temperatures than Si-based solutions, they allow for smaller heat sinks and a smaller system footprint. This provides end-users with all the advantages of more compact, energy-efficient systems and the potential for a lower total cost of ownership.

Typical applications for 650V Series SiC Schottky Diodes include:

  • power factor correction (PFC),
  • buck/boost stages in DC-DC converters,
  • free-wheeling diodes in inverter stages,
  • high-frequency output rectification and
  • electric vehicle (EV) applications.

These new series are our first 650V SiC Schottky Diode offerings; all our previous releases were 1200V-rated devices, so we can now address a wider range of applications and further complement the Littelfuse SiC MOSFET portfolio,” said Christophe Warin, Silicon Carbide Product Marketing Manager, Semiconductor Business Unit at Littelfuse. “Their AEC-Q101 qualification puts these diodes in a higher class than similar devices in terms of quality and reliability.

The 650V Series SiC Schottky Diodes offer these key benefits:

  • AEC-Q101-qualified diodes exhibit exceptional performance in demanding applications.
  • Far lower switching losses than silicon bipolar diodes and fast, temperature-independent switching behavior make these devices suitable for high-frequency power switching.
  • The positive temperature coefficient enables safe operation and ease of paralleling.
  • The 175°C maximum operating junction temperature provides a larger design margin and relaxed thermal management requirements.

Availability
LSIC2SD065CxxA Series SiC Schottky Diodes are available in TO-252-2L (DPAK) packages, in tape and reel format, with a minimum order quantity of 2,500 devices. LSIC2SD065AxxA Series SiC Schottky Diodes are available in TO-220-2L packages, with 50 devices packed in a tube, with a minimum order quantity of 1,000 pieces. Sample requests may be placed through authorized Littelfuse distributors worldwide. For a listing of Littelfuse distributors, please visit Littelfuse.com.

For More Information
Additional information is available on the LSIC2SD065CxxA Series SiC Schottky Diodes product page and LSIC2SD065AxxA Series SiC Schottky Diodes product page. For technical questions, please contact: Christophe Warin, Silicon Carbide Product Marketing Manager, Semiconductor Business Unit at Littelfuse, cwarin@littelfuse.com

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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