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The SMD1210L-750-12 is a surface-mount polymeric PTC resettable fuse designed for high-current overcurrent protection in low-voltage electronic circuits. Featuring a 1210L footprint, 7.5A hold current and 12V maximum voltage, it provides fast tripping response and automatic reset after fault removal. With stable performance and RoHS-compliant construction, it is well suited for power supplies, industrial control systems, and consumer electronics.