MF-R160-AP

Overview

The MF-R160-AP is a polymeric positive temperature coefficient (PPTC) resettable fuse manufactured by Bourns Inc. It features a hold current of 1.6A and a trip current of 3.2A, designed for operation at a maximum voltage of 30VDC. The device exhibits a minimum resistance of 55mΩ and a maximum resistance of 105mΩ at room temperature. It operates within a temperature range of -40°C to +85°C and dissipates up to 0.9W of power. The component utilizes radial leads with a terminal pitch of 5.1mm and is housed in a disc package.

Feature Summary

• Radial leaded construction with cured flame-retardant epoxy polymer insulation
• Meets UL 94V-0 flammability requirements for the insulating material
• RoHS compliant manufacturing process

Applications

• Low voltage power supply circuit protection
• Load protection in electronic devices
• Overcurrent protection for portable electronics

Procurement Notes

Verify the specific suffix AP against the official Bourns datasheet to confirm it denotes the standard axial or radial configuration as intended for your assembly. Ensure that the thermal environment does not exceed the rated operating temperature of 85°C during normal operation. Confirm that the required hold current of 1.6A aligns with the system's steady-state load to prevent nuisance tripping. Check for any specific packaging variations or tape-and-reel options if automated placement is required.

Selection Notes

Select this component when a resettable overcurrent protection solution is needed for low-voltage DC circuits up to 30V. The 1.6A hold current makes it suitable for applications where the nominal operating current is below this threshold but may experience temporary surges. Consider the 55mΩ to 105mΩ resistance range for voltage drop calculations in sensitive signal paths. The radial disc form factor is ideal for through-hole mounting on PCBs where space constraints allow for the component's physical dimensions.

Part Context

The MF-R160-AP belongs to the MF-R series of PTC resettable fuses from Bourns. This series is characterized by its use of conductive polymer technology to provide automatic reset functionality after fault conditions clear. The MF-R series is widely utilized in consumer electronics and industrial equipment for protecting circuits against short circuits and overloads without requiring manual replacement of traditional fusible elements.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. When evaluating alternatives, ensure the replacement matches the 1.6A hold current, 30V rating, and radial lead configuration. Verify that any substitute also meets UL 94V-0 insulation standards and RoHS compliance requirements to maintain regulatory adherence.