MF-R017-AP-99

Ptc Resettable Fuses Overview

The Bourns MF-R017-AP-99 is a PTC resettable fuse from the Multifuse MF-R series, designed for circuit protection. It features a radial leaded package with a hold current of 170 mA and a trip current of 340 mA. The device supports a maximum voltage of 60 VDC and can withstand a maximum rated current of 40 A. Initial resistance is 3.2 Ohms, with power dissipation at 480 mW. Operating temperature ranges from -40°C to +85°C. Physical dimensions include a diameter of 7.4 mm, height of 12.7 mm, and lead spacing of 5.1 mm.

Ptc Resettable Fuses Feature Summary

• Polymeric positive temperature coefficient construction for automatic reset capability after fault clearance
• Radial leaded PCB mount design for through-hole integration
• High surge current capacity up to 40 A for robust transient protection

Ptc Resettable Fuses Applications

• Overcurrent protection in consumer electronics circuits
• Circuit safeguarding in industrial instrumentation
• Protection for telecommunications equipment interfaces

Ptc Resettable Fuses Procurement Notes

Verify component status carefully as this specific suffix variant may be obsolete or discontinued. Confirm availability of parametric equivalents if production continuity is required. Ensure the selected substitute matches all critical electrical parameters including hold current, trip current, and voltage rating. Cross-reference manufacturer documentation for current manufacturing status before finalizing procurement plans.

Ptc Resettable Fuses Selection Notes

Select this component when a 170 mA hold current and 60 VDC rating are required for radial mounting applications. Consider the 3.2 Ohm initial resistance and 480 mW power dissipation limits during thermal design. Verify that the 5.1 mm lead spacing fits the target PCB layout. Evaluate the -40°C to +85°C operating range against environmental conditions.

Ptc Resettable Fuses Part Context

This part belongs to the Bourns Multifuse MF-R series of polymeric resettable fuses. These components utilize PTC technology to provide reusable overcurrent protection. The series offers various hold currents and voltage ratings for diverse circuit protection needs across multiple industries.

Ptc Resettable Fuses Replacement Considerations

MF-R017-0-99 is listed as an obsolete equivalent. Parametric equivalents are available from the manufacturer. Verify that any substitute maintains identical hold current, trip current, and voltage specifications.