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A fuse is an electronic component that automatically interrupts the flow of current by melting and severing the circuit when the current abnormally rises to a certain level and generates heat, thereby protecting the circuit from damage due to overloads.
The working principle of a fuse is based on the thermal effect of current. When current flows through a fuse, heat is generated due to the resistance of the fuse material. If the current is too high, more heat is produced, causing the temperature of the fuse to rise. When the temperature reaches the melting point of the fuse material, the fuse melts and severs the circuit. This process is automatic and does not require manual intervention.Fuses are widely used in various circuits and devices, such as automobiles, industrial machinery, computers, household appliances, and more. They play a vital role in protecting circuits and devices from overload damage and preventing accidents like fires. Properly selecting and installing fuses ensures that circuits and devices operate within their normal operating ranges, improving safety and reliability.