MF-PSML125/12-2 is a low-ohmic polymer PTC resettable fuse designed for overcurrent protection in space-constrained mobile and portable applications. It features a hold current (Ihold) of 1.25 A, trip current (Itrip) of 2.5 A, and maximum voltage rating of 12 V, with ultra-low resistance of 0.16 Ohms at 23°C. The device is housed in a compact 0805 footprint with low profile suitable for automated surface mount assembly, and offers quick response with a maximum time to trip of 0.4 seconds. It is RoHS compliant, halogen-free, and carries agency recognition (cUL and TJV), making it ideal for battery protection, power distribution circuits, and portable electronic devices requiring reliable overcurrent protection with automatic reset capability.