✅ Component type matches: PTC Resettable Fuse in DigiKey category Circuit Protection - PTC Resettable Fuses.
✅ Manufacturer matches AVL requirement: Littelfuse Inc.
✅ Type matches: Polymeric.
✅ Current - Hold (Ih) is 500 mA, which is within the required 450 mA to 700 mA range and provides margin above the 350 mA normal load.
✅ Voltage - Max is 60 V, satisfying the ≥60 V requirement for PoE input up to 57 V.
✅ Current - Max is 10 A, exceeding the required ≥5 A.
✅ Mounting Type matches: Surface Mount.
✅ Package / Case matches: 1812 (4532 Metric), Concave.
✅ Operating Temperature matches: -40°C to 85°C, satisfying the required range.
✅ RoHS compliance matches: ROHS3 Compliant.
All required specifications are satisfied. This Littelfuse 1812L050/60MR is approved for the PoE Ethernet input PTC protection application.