Solid-state circuit breakers (SSCBs) are advanced, semiconductor-based protection devices that replace mechanical contacts with electronic switching. They offer ultra-fast response and arc-free operation.
With advancements in the wide-bandgap semiconductor technology, solid-state circuit breaker variants are taking on a bigger market share. Wide-bandgap semiconductor switches have lower on-state losses and higher efficiency during normal operation compared to silicon-based semiconductors. Solid-state circuit breakers (SSCBs), also known as circuit e-breakers, do not contain mechanical parts as their switch is a semiconductor.
Solid-state circuit breakers are faster, can be dynamically adjusted and can be connected to the intelligent network and monitored remotely. They can be used in various applications, including residential, commercial and industrial AC systems. They can also be used in hot swap applications and in HV DC systems, as a disconnect switch for HV battery in electric vehicles.
The future of circuit protection is SiC JFET-based. Watch the webinar and download the tutorial to dive into smart, efficient solid-state design.
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Interest in solid-state circuit breakers is rising, and SiC FETs offer a simplified path to high-current DC and AC protection solutions.
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Our SiC MOSFETs are designed to be fast and rugged and include system benefits from high efficiency to reduced system size and cost. MOSFETs are metal–oxide–semiconductor field-effect transistors with insulated gates. These silicon carbide MOSFETs have a higher blocking voltage and higher thermal conductivity than silicon MOSFETs, despite having similar design elements. SiC power devices also have a lower state resistance and 10 times the breakdown strength of regular silicon. In general, Systems with SiC MOSFETs have better performance and increased efficiency when compared to MOSFETs made with silicon material.
There are many advantages to choosing SiC MOSFETs over silicon MOSFETs, such as higher switching frequencies. High-temperature development is also not a concern when using SiC MOSFET modules because these devices can operate efficiently even in high heat. Additionally, with SiC MOSFETs, you benefit from a more compact product size because all components (inductors, filters, etc.) are smaller.
The white paper traces the origins and evolution of the SiC FET to its latest generation and compares its performance with alternative technologies.
Watch and learn how SiC JFETs and Combo JFETs enable faster, safer, and smarter solid-state circuit breaker designs for high-voltage applications.
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