PFRA.065.3

Ptc Resettable Fuses Overview

The PFRA.065.3 is a polymeric resettable fuse from the Schurter PFRA series, designed for radial through-hole mounting. It features a maximum operating voltage of 60V and a hold current of 650mA. The device trips at 1.3A with a maximum trip time of 2 seconds. It has a maximum fault current rating of 40A and a post-trip resistance of 720 mOhms. Physical dimensions include a length of 9.7mm, width of 5.8mm, and height of 15.2mm. The component operates within a temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection by interrupting current flow during overcurrent conditions and resetting upon cooling.
• Utilizes a radial leaded package configuration suitable for standard printed circuit board assembly processes.
• Constructed with a polymeric material that exhibits positive temperature coefficient characteristics for reliable switching behavior.

Ptc Resettable Fuses Applications

• Overcurrent protection in consumer electronic devices
• Circuit safeguarding in industrial control systems
• Protection for battery-powered equipment and portable electronics

Ptc Resettable Fuses Procurement Notes

Verify the specific manufacturer part number against official Schurter documentation to confirm availability status, as this component may be classified as obsolete or end-of-life. Ensure that the radial lead spacing and physical footprint match the target PCB design requirements before procurement. Cross-reference the electrical parameters, particularly the hold and trip currents, with the system's operational limits to guarantee adequate protection without nuisance tripping.

Ptc Resettable Fuses Selection Notes

Select this component when a radial through-hole PTC fuse is required for low-voltage applications up to 60V. The 650mA hold current and 40A max fault current define its protection threshold. Consider the 15.2mm seated height for clearance constraints. Verify that the 720 mOhms post-trip resistance is acceptable for the downstream circuit's power dissipation and voltage drop requirements under fault conditions.

Ptc Resettable Fuses Part Context

The PFRA.065.3 belongs to the PFRA series of resettable fuses manufactured by Schurter Inc. This series focuses on providing cost-effective, reusable overcurrent protection solutions for various electronic assemblies. The radial disc package style distinguishes it from surface-mount alternatives, offering robust mechanical anchoring for through-hole implementations.

Ptc Resettable Fuses Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Schurter documentation for equivalent series members or alternative manufacturers' radial PTC fuses with matching 60V, 650mA, and dimensional specifications.