✅ Component type/category 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 750 mA, which is within the required 500 mA to 750 mA range and suitable for a 500 mA USB port with thermal derating margin. ✅ Voltage - Max is 6 V, meeting the minimum ≥6 V requirement for a 5 V USB rail. ✅ Current - Max is 40 A, exceeding the required ≥5 A. ✅ Mounting Type matches: Surface Mount. ✅ Package / Case matches: 1210 (3225 Metric), Concave, which is an acceptable 1210 variant. ✅ Operating Temperature is -40°C to 85°C, meeting the required range. ✅ RoHS compliance matches: ROHS3 Compliant.
All required specifications are satisfied. This Littelfuse MICROSMD075F-2 is approved for USB host port 5 V overcurrent protection.
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