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The SMD0603L-125-6V is a surface-mount PPTC resettable fuse engineered for effective overcurrent protection in low-voltage electronic circuits. Featuring a compact 0603L package, 1.25A hold current and 6V maximum voltage, it quickly responds to overload events by increasing resistance and resets automatically once normal conditions return. With consistent performance, fast tripping speed and RoHS compliance, it is well suited for consumer electronics and compact electronic systems.