LTP340

Ptc Resettable Fuses Overview

The LTP340 is a PolySwitch PTC resettable fuse manufactured by Littelfuse Inc. It belongs to the LTP series and features a maximum voltage rating of 24V. The component has a hold current (Ih) of 3.4A and utilizes a user-defined strap configuration. This polymeric device serves as overcurrent protection for electronic circuits.

Ptc Resettable Fuses Feature Summary

• Polymeric construction for resettable circuit protection
• User-defined strap configuration for specific current ratings
• Designed for low-voltage applications up to 24V

Ptc Resettable Fuses Applications

• Overcurrent protection in low-voltage electronic circuits
• Circuit safeguarding in consumer electronics
• Protection for portable device power inputs

Ptc Resettable Fuses Procurement Notes

Verify part status carefully, as this model is listed as obsolete. Confirm availability through authorized distributors or surplus channels. Ensure the specific variant matches the required 3.4A hold current and 24V maximum voltage specifications for your design.

Ptc Resettable Fuses Selection Notes

Select this component only if the application requires a 24V maximum rating and a 3.4A hold current. Consider that the part is obsolete; evaluate alternative active series from the same manufacturer for long-term supply stability. Verify package type compatibility with existing PCB footprints.

Ptc Resettable Fuses Part Context

The LTP340 is part of Littelfuse's PolySwitch LTP series of resettable fuses. These devices are designed to provide automatic reset functionality after tripping due to overcurrent conditions. The series typically offers various hold current options within low-voltage constraints.

Ptc Resettable Fuses Replacement Considerations

As the LTP340 is marked obsolete, direct substitutes may be limited. Check Littelfuse datasheets for newer LTP series variants with similar electrical characteristics. Ensure any replacement maintains the 24V max voltage and 3.4A Ih requirements.