Remove 2024 Remove 3-phase energy meter Remove Cooling
article thumbnail

Electronic fuses and the evolution of overcurrent protection

Charged

An old saw often uttered by an electrical engineer (or their hapless techs) when an electronic device releases its magic smoke goes something like this: “The transistor bravely sacrificed itself to protect the fuse.” At higher voltages, it is more usual to put the switch in the high side (i.e.