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A New Approach to Circuit Breaker Design Using Silicon Carbide Switches - Nov 21
Mechanical circuit breakers can be low cost with minimal losses, but they operate slowly and wear out. Solid state versions overcome the problems and are becoming increasing viable as replacements at...
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Power Electronics Europe News
 
Compact fuse charges high wattage smartphones and tablets

 Earlier generations of mobile phones had relatively low wattage (typically about 5W), compared to today’s 10 to 15W, which requires withstanding higher levels of current.

The axial lead, 3.6 x 9mm fuse has filler material that provides a finely tuned balance between the surge tolerance necessary to prevent nuisance fuse tripping with the fuse’s ability to open safely when a short-circuit occurs. The design lets it withstand up to 24 hits of 7.5kV ringwave surge, claims the company. It will open safely on a direct short condition without producing soot, sparks, and sounds. Typical applications include wall-mount smartphone and tablet chargers and 10‑20W power supply modules for other battery-powered consumer electronics.



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