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Circuit‑protection components safeguard electronic circuits against destructive electrical problems such as overcurrent, overvoltage and short‑circuits.
Common devices include fuses, circuit breakers, Zener diodes and surge‑protection devices. Fuses break circuits permanently once overcurrent occurs, while circuit breakers can be reset for repeated use. Zener diodes stabilize voltage against voltage spikes.
Important evaluation factors are operating current, response speed and working temperature. Without proper protection, excess current will burn out integrated circuits and sensors.
These parts are essential in household appliances, automotive systems and industrial equipment. They extend component service life and prevent safety hazards like overheating and fire.
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