Wide Bandgap Semiconductors (GaN & SiC): Hype vs Reality in Modern Power Electronics

Rideen Sardual

doi:10.64591/dr9b7589

Authors

Rideen M. Sardual College of Technology and Engineering, Cebu Technological University-Argao Campus Argao 6021, Cebu, Philippines Author

DOI:

https://doi.org/10.64591/dr9b7589

Keywords:

Wide Bandgap Semiconductors, Gallium Nitride (GaN), Silicon Carbide (SiC)

Abstract

Wide bandgap (WBG) semiconductors, particularly gallium nitride (GaN) and silicon carbide (SiC), have emerged as promising alternatives to traditional silicon-based devices in modern power electronics due to their superior electrical and thermal properties. These materials enable higher efficiency, faster switching, and improved performance in applications such as electric vehicles, renewable energy systems, and industrial power supplies. However, despite their technological advantages, their adoption is constrained by challenges including high production costs, reliability concerns, and integration complexities. This paper critically examines whether the rapid promotion of GaN and SiC reflects true technological maturity or partial industry hype. It concludes that while WBG semiconductors represent a significant advancement, their widespread implementation depends on overcoming economic and technical limitations, requiring a balanced and evidence-based perspective.

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