RUEF900K-0.144

Ptc Resettable Fuses Overview

The Littelfuse RUEF900K-0.144 is a PolySwitch radial leaded PPTC resettable fuse from the RUEF series, designed for PCB mounting. It features a hold current of 9 A and a trip current of 18 A at a maximum voltage of 30 VDC. The device has a maximum rated current of 100 A, a resistance of 20 mOhms, and operates within a temperature range of -40°C to +85°C. With dimensions of 29 mm length, 24.1 mm width, and 3 mm height, it offers a power dissipation of 4.2 W and a lead spacing of 10.9 mm.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit reset capability after fault conditions clear
• Offers reliable overcurrent protection for wiring harnesses and PCB components
• Compatible with high-volume electronics assembly processes

Ptc Resettable Fuses Applications

• Satellite video receivers
• Industrial controls
• Computer motherboards
• USB hubs, ports and peripherals

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix '-0.144' against official Littelfuse documentation to confirm if it denotes a distinct variant or packaging specification compared to the standard RUEF900K. Ensure that ordering details match the exact electrical parameters required for the target application circuit design.

Ptc Resettable Fuses Selection Notes

Select this component when a 9 A hold current and 30 VDC rating are required for radial leaded PPTC protection. Consider the 20 mOhms resistance and 4.2 W power dissipation for thermal management in compact PCB layouts requiring robust overcurrent safety.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse RUEF series of PolySwitch radial leaded devices. This series provides a comprehensive set of PPTC products balancing voltage ratings up to 30V with hold currents up to 9A, serving as resettable alternatives to single-use fuses in various electronic assemblies.

Ptc Resettable Fuses Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.