SiC Transistor Comparison 2021

System Plus Consulting

Comparing the technology and cost of 37 SiC transistors from Wolfspeed, Rohm, STMicroelectronics, Infineon, IXYS/Littelfuse, onsemi, Microsemi, UnitedSiC (now Qorvo), GeneSiC, and Toshiba.

Complete teardown with:

  • SiC benchmark and technology roadmap
  • Detailed optical and SEM photos
  • Precise measurements
  • Manufacturing process flow
  • Supply chain evaluation
  • Manufacturing cost analysis
  • Estimated selling price
  • Comparisons of technology design parameters, performance (figure of merits, current density), and costs (wafer, die, component, and cost per ampere)
  • SiC MOSFET vs. Si IGBT die $/A cost comparison of different manufacturers

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