PTSLR18126V370

Ptc Resettable Fuses Overview

The PTSLR18126V370 is a polymeric PTC resettable fuse manufactured by Eaton Electronics Division. It features a maximum voltage rating of 6V and a hold current (Ih) of 3.7A. The trip current (It) is specified at 7.4A, with a maximum fault current capacity of 50A. The device utilizes an 1812 surface-mount package (4532 metric) with concave termination. Initial resistance is typically low, ensuring minimal power loss during normal operation. Operating temperature range spans from -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

• Polymer-based self-resetting protection mechanism for overcurrent events
• Low initial resistance design for efficient circuit performance
• Surface-mount construction compatible with automated assembly processes
• Concave terminal configuration for secure PCB attachment

Ptc Resettable Fuses Applications

• Portable electronic device circuit protection
• Battery pack overcurrent safeguarding
• USB port and interface line protection
• Consumer electronics power input circuits

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through authorized Eaton distributors or certified supply chain partners. Confirm datasheet revision alignment with specific application requirements. Ensure storage conditions comply with moisture sensitivity level specifications prior to soldering. Validate packaging integrity to prevent physical damage during transit and handling operations.

Ptc Resettable Fuses Selection Notes

Select this component when system voltage does not exceed 6VDC and continuous load current remains below 3.7A. Evaluate thermal environment constraints against the -40°C to +85°C operating range. Consider the 1812 footprint availability on the target printed circuit board layout. Assess trip characteristics relative to transient surge tolerances in the protected circuitry.

Ptc Resettable Fuses Part Context

This part belongs to the PTSLR1812 series of low-resistance SMD polymeric PTC resettable fuses. The series emphasizes high current carrying capability within compact surface-mount packages. Eaton Electronics designs these components for robust protection in space-constrained modern electronic assemblies requiring reliable overcurrent interruption.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes include PTSLR18126V400 and PTSLR18126V450 from the same manufacturer series. Verify electrical parameter compatibility before substitution. Ensure mechanical dimensions and mounting style match existing board layouts. Consult official Eaton documentation for detailed cross-reference information.