MF-R065-2

Ptc Resettable Fuses Overview

The Bourns MF-R065-2 is a polymeric positive temperature coefficient (PPTC) resettable fuse designed for overcurrent protection in electronic circuits. It features a hold current of 650 mA and a trip current of 1.3 A, operating at a maximum voltage of 60 VDC. The device has a maximum rated current of 40 A and an initial resistance ranging from 270 mΩ to 720 mΩ. It operates within a temperature range of -40°C to +85°C and utilizes a radial through-hole package with a lead spacing of 5.1 mm.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit recovery after fault clearance without manual replacement
• Offers high breaking capacity for robust overcurrent protection
• Complies with UL safety standards for component certification

Ptc Resettable Fuses Applications

• Consumer electronics power supply input protection
• Portable device battery circuit safeguarding
• Industrial control board overcurrent defense

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix designation during procurement to ensure alignment with required lead spacing and packaging configurations. Confirm that the selected variant matches the intended thermal environment and mounting requirements. Cross-reference the manufacturer datasheet for precise dimensional tolerances and electrical characteristics relevant to the specific application design constraints.

Ptc Resettable Fuses Selection Notes

Select this component based on the required hold current threshold and maximum operating voltage limits. Ensure the ambient temperature conditions do not exceed the specified operational range to maintain reliable tripping performance. Evaluate the physical footprint constraints against the radial lead spacing and body dimensions to guarantee proper PCB integration and mechanical stability.

Ptc Resettable Fuses Part Context

This part belongs to the MFR series of PTC resettable fuses manufactured by Bourns Electronic Solutions. The series provides compact protection solutions for various electronic applications requiring self-resetting overcurrent safeguards. The specific model denotes a radial leaded configuration suitable for through-hole mounting technologies.

Ptc Resettable Fuses Replacement Considerations

MF-R065 serves as a direct functional equivalent within the same product family. Verify that substitute parts match the exact hold current, trip current, and voltage ratings to ensure circuit compatibility.