FSMD075-24-1210R

Ptc Resettable Fuses Overview

FSMD075-24-1210R is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse manufactured by Fuzetec Technology. The device features a hold current of 0.75 A and a trip current of 1.5 A, with a maximum voltage rating of 24 V and a maximum current capacity of 121 A. It operates within a temperature range of -40 °C to +85 °C and has a typical resistance of 0.12 Ω. The component utilizes a 1210 package footprint for automated assembly.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection against overcurrent conditions through self-resetting functionality
• Designed for surface-mount integration into compact electronic assemblies
• Offers reliable performance under high fault current scenarios

Ptc Resettable Fuses Applications

• Portable consumer electronics power input protection
• Battery pack overcurrent safeguarding
• USB port surge protection circuits

Ptc Resettable Fuses Procurement Notes

Verify the specific manufacturer designation when sourcing, as the model number indicates Fuzetec production despite the brand query including RFE. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer's official sales channels prior to ordering.

Ptc Resettable Fuses Selection Notes

Select this component based on the required 0.75 A hold current and 24 V system voltage. Ensure the application's peak inrush currents remain below the 121 A maximum current rating to prevent device failure. Verify that the operating temperature environment stays within the specified -40 °C to +85 °C range for optimal performance.

Ptc Resettable Fuses Part Context

This part belongs to the FSMD series of surface-mount PPTC resettable fuses. These components are engineered to replace traditional fusible links in modern electronics, offering reusable protection. The 1210 form factor allows for efficient PCB space utilization while maintaining robust electrical characteristics for portable devices.

Ptc Resettable Fuses Replacement Considerations

Consult Fuzetec's official substitution guide for direct equivalents. Generic replacements must match the 0.75 A hold current, 24 V rating, and 1210 package dimensions to ensure functional compatibility without redesigning the circuit layout.