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Fuses - Jaycar
Fuses - Jaycar

... A fuse is basically just a short piece of wire, carefully chosen in terms of its diameter and composition (and sometimes the physical tension applied to it as well) so that it will conduct current continuously up to a certain level, but melt or ‘fuse’ if the current rises significantly above that le ...
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Buck converter



A buck converter is a voltage step down and current step up converter.The simplest way to reduce the voltage of a DC supply is to use a linear regulator (such as a 7805), but linear regulators waste energy as they operate by dissipating excess power as heat. Buck converters, on the other hand, can be remarkably efficient (95% or higher for integrated circuits), making them useful for tasks such as converting the main voltage in a computer (12V in a desktop, 12-24V in a laptop) down to the 0.8-1.8V needed by the processor.
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