FSMD500-16-2920R

Ptc Resettable Fuses Overview

The FSMD500-16-2920R is a surface-mountable PTC resettable fuse from the FSMD2920 series, manufactured by RFE/Fuzetec. It features a 2920 (7351 Metric) concave footprint designed for automated assembly. The component has a maximum voltage rating of 16V and a hold current (Ih) of 5A. Initial resistance is 5 mOhms, increasing to a maximum of 25 mOhms after tripping. It serves as an overcurrent protection device suitable for compact electronic designs requiring reliable thermal reset capabilities.

Ptc Resettable Fuses Feature Summary

• Surface mountable construction with a concave 2920 footprint for secure PCB placement
• Resettable PTC technology providing automatic recovery after fault clearance
• Low initial resistance profile optimized for minimal power loss in normal operation

Ptc Resettable Fuses Applications

• Battery pack interconnect protection
• Portable consumer electronics circuitry
• Compact industrial control modules

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Request original datasheets and test reports to confirm electrical specifications match the FSMD2920 series standards. Ensure storage conditions comply with moisture sensitivity levels to maintain solderability and performance integrity upon installation.

Ptc Resettable Fuses Selection Notes

Select this part when space constraints require a 2920 package size and low voltage operation is necessary. Confirm that the 5A hold current aligns with the target circuit's continuous load requirements. Evaluate the trip characteristics against the specific fault current profiles expected in the application environment to ensure adequate protection margins.

Ptc Resettable Fuses Part Context

This component belongs to the FSMD2920 series of strap-type PTC resettable fuses. These devices are engineered for resistance spot welding or surface mounting on battery cells and packs. The series provides robust overcurrent protection for lithium-ion and other battery technologies commonly used in mobile and industrial applications.

Ptc Resettable Fuses Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Equivalent parts may include Bourns MF-SM500 or Littelfuse variants with matching 5A hold current and 16V ratings, but verification against official datasheets is required before substitution.