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Electronic fuse

Electronic fuse
Most modern voltage regulators have an integral current limiter. These are, unfortunately, normally provided with a thermal 'fuse', which in the first instance does not control the current but the dissipation. Since this type of fuse is very slow. in many applications a standard glass fuse is added to protect a number of components against over-current. Also, many small power supplies and mains adaptors have no short-circuitprotection. During the design and testing of new equipment, this may have catastrophic consequences.
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