RGEF700K

Ptc Resettable Fuses Overview

The Littelfuse RGEF700K is a PolySwitch resettable PPTC fuse designed for PCB mounting. It features a radial termination style with a hold current of 7 A and a trip current of 11.9 A. The device supports a maximum voltage of 16 VDC and handles a maximum rated current of 100 A. Its resistance is 13.1 mOhms, with a power dissipation of 2.4 W. Operating temperatures range from -40°C to +85°C. The component measures 12.8 mm in length, 8.9 mm in width, and 3 mm in height, with a lead spacing of 5.8 mm.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection through polymer positive temperature coefficient technology
• Offers repeatable overcurrent protection without requiring replacement after tripping
• Designed for surface-mount installation on printed circuit boards

Ptc Resettable Fuses Applications

• Overcurrent protection for portable electronic devices
• Protection circuits in automotive electronics systems
• Industrial control equipment circuit safeguarding

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering suffix to confirm packaging configuration, as variants exist for bulk or tape-and-reel supply. Confirm RoHS compliance status and certification marks such as UL, CSA, and TUV are required for your target market. Ensure the selected variant matches the intended assembly process and handling requirements for your production line.

Ptc Resettable Fuses Selection Notes

Select this component when a 7 A hold current and 16 VDC rating align with the circuit design parameters. Consider the 13.1 mOhms initial resistance and 2.4 W power dissipation for thermal management planning. Evaluate the physical dimensions and lead spacing against available PCB footprint constraints before finalizing the design integration.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse RGEF series of PolySwitch resettable fuses. The series provides various current ratings and voltage options for circuit protection applications. The RGEF700K specifically addresses needs for moderate current protection in compact electronic assemblies requiring reliable overcurrent interruption capabilities.

Ptc Resettable Fuses Replacement Considerations

The RGEF700K-2 is a documented substitute within the same family offering identical electrical characteristics. Verify that any alternative sourcing maintains the required certifications and physical dimensions for direct board compatibility.