PTSLR18126V300

Ptc Resettable Fuses Overview

The PTSLR18126V300 is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse from the Eaton Electronics PTSLR series. Designed for low-voltage circuit protection, this component operates within a maximum voltage of 6 VDC and features a hold current of 3 A with a trip current of 6 A. It exhibits a typical resistance of 45 mOhms and can withstand a maximum fault current of 50 A. The device is housed in a compact 1812 (4532 metric) package, measuring 4.73 mm in length, 3.41 mm in width, and 1.2 mm in height. It supports operation across a temperature range of -40°C to +85°C and includes moisture sensitivity classification.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection through self-resetting functionality upon fault clearance
• Offers high fault current tolerance up to 50 A for robust overcurrent safeguarding
• Utilizes a compact SMD/SMT package suitable for space-constrained board layouts

Ptc Resettable Fuses Applications

• Overcurrent protection for portable electronic devices
• Circuit safeguarding in consumer audio and video equipment
• Protection for battery-powered applications and peripheral interfaces

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering suffix against official Eaton documentation to ensure correct electrical ratings and packaging configuration. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability. Ensure storage conditions meet humidity sensitivity guidelines to maintain component reliability before soldering.

Ptc Resettable Fuses Selection Notes

Select this component when a low-voltage, high-current resettable fuse is required for surface-mount assembly. Evaluate the hold current and trip current specifications against the circuit's normal operating parameters to ensure reliable protection without nuisance tripping. Consider the thermal environment and power dissipation capabilities when determining placement on the PCB. Compare physical dimensions against available board space to confirm mechanical fit within the design constraints.

Ptc Resettable Fuses Part Context

This part belongs to the PTSLR series of PPTC resettable fuses manufactured by Eaton Electronics. The series is characterized by low resistance values and high current handling capabilities, making it suitable for protecting sensitive electronics in various industrial and consumer applications. The 1812 package size provides a balance between performance and footprint efficiency for modern surface-mount technology processes.

Ptc Resettable Fuses Replacement Considerations

Consult official Eaton cross-reference guides for verified substitute part numbers. Direct replacements must match or exceed the original voltage, current, and resistance specifications. Verify package compatibility and thermal characteristics before substituting.