SMDC050F-2

Ptc Resettable Fuses Overview

The Littelfuse SMDC050F-2 is a PolySwitch resettable PPTC device from the miniSMD series, designed for surface mount applications. It features a hold current of 500 mA and a trip current of 1 A, with a maximum voltage rating of 24 VDC. The component has a maximum resistance of 1 Ohm and an Imax rating of 100 A. Operating within a temperature range of -40°C to +85°C, it measures 4.73 mm in length, 3.41 mm in width, and 0.62 mm in height. Power dissipation is rated at 800 mW.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection through reversible polymer technology that increases resistance during fault conditions.
• Designed for compact surface mount integration using standard SMD/SMT installation methods.

Ptc Resettable Fuses Applications

• Portable electronic devices requiring overcurrent protection
• Battery pack circuits for consumer electronics
• Peripheral interface ports on computing hardware

Ptc Resettable Fuses Procurement Notes

Verify the specific Littelfuse datasheet to confirm RoHS compliance status and moisture sensitivity level before procurement. Ensure the ordering suffix matches the required packaging format, such as cut tape or reel, to align with assembly line requirements. Cross-reference the part number against official Littelfuse databases to validate authenticity and avoid counterfeit components.

Ptc Resettable Fuses Selection Notes

Select this component when a 500 mA hold current and 24 VDC maximum voltage are required for space-constrained designs. Consider the 1 Ohm maximum resistance and 800 mW power dissipation limits relative to the thermal environment. Verify that the 1812 package dimensions fit the available PCB footprint and that the operating temperature range meets system specifications.

Ptc Resettable Fuses Part Context

This device belongs to the miniSMD family of PolySwitch resettable fuses, which offers surface mount solutions for circuit protection. The series provides various current ratings within a standardized 1812 package form factor. This specific model represents a mid-range current option within the lineup, balancing protection capabilities with compact physical dimensions for modern electronics.

Ptc Resettable Fuses Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Littelfuse technical resources for direct replacements or cross-references based on specific electrical and mechanical requirements.