MF-SM125-2 is a Polymer PTC (Positive Temperature Coefficient) resettable fuse designed for surface mount applications requiring automatic overcurrent protection. It features a hold current of 1.25 A at 23°C, a trip current of 2.50 A, and a maximum voltage rating of 15 V, with a resistance of 0.07 O at 23°C. The device operates reliably across a temperature range of -40°C to +85°C, with a maximum device surface temperature of 125°C in the tripped state, and exhibits a maximum time to trip of 8.0 seconds. This component is AEC-Q200 compliant, RoHS compliant, and halogen-free, making it suitable for automotive and industrial applications where reliable circuit protection and automatic reset capability are essential.