PTC Resettable Fuse for PoE Ethernet Port Protection

✅ Component type/category matches: PTC resettable fuse in DigiKey Circuit Protection → PTC Resettable Fuses.
✅ Manufacturer matches AVL requirement: Littelfuse Inc.
✅ Type: Polymeric, which matches the required type.
✅ Current - Hold (Ih): 500 mA, which is within the required 450 mA to 700 mA range and provides margin above the 350 mA normal load.
✅ Voltage - Max: 60 V, which meets the minimum ≥60 V requirement for PoE input up to 57 V.
✅ Current - Max: 10 A, which exceeds the required ≥5 A.
✅ Mounting Type: Surface Mount, as required.
✅ Package / Case: 1812 (4532 Metric), Concave, which satisfies the required 1812 package.
✅ Operating Temperature: -40°C to 85°C, which matches the required range.
✅ RoHS Compliance: ROHS3 Compliant, satisfying the RoHS requirement.

All required specifications are satisfied. This Littelfuse 1812L050/60MR is approved for the PoE Ethernet input protection application.