MF-R135

Ptc Resettable Fuses Overview

The Bourns MF-R135 is a radial leaded polymeric positive temperature coefficient (PPTC) resettable fuse designed for circuit protection. It features a holding current of 1.35 A and a trip current of 2.7 A, with a maximum voltage rating of 30 VDC. The device operates within a temperature range of -40°C to 85°C and has a power dissipation of 800 mW. It offers a maximum current rating of 40 A and utilizes a round body construction.

Ptc Resettable Fuses Feature Summary

• Provides automatic resettable overcurrent protection using polymeric PTC technology
• Features radial through-hole mounting for standard PCB integration
• Designed for rapid response to overcurrent conditions

Ptc Resettable Fuses Applications

• Portable electronics circuit protection
• Consumer appliance overcurrent safeguarding
• Battery pack protection circuits

Ptc Resettable Fuses Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm electrical parameters such as hold current and voltage ratings. Ensure the component meets required safety certifications for the target application. Cross-reference part numbers carefully to distinguish between similar series variants like MF-R135-2.

Ptc Resettable Fuses Selection Notes

Select this component based on the required holding current of 1.35 A and the system voltage not exceeding 30 VDC. Consider the operating temperature range of -40°C to 85°C when evaluating environmental suitability. The radial leaded package is suitable for through-hole assembly processes.

Ptc Resettable Fuses Part Context

This part belongs to the Bourns Multifuse MF-R series of resettable fuses. These devices are widely used in electronic circuits where manual fuse replacement is impractical. The series provides reliable protection against overcurrent events while maintaining low resistance during normal operation.

Ptc Resettable Fuses Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing circuit designs before considering alternative components from other manufacturers.