TCF250-180T

Ptc Resettable Fuses Overview

The TCF250-180T is a surface-mount Polymeric PTC Resettable Fuse from Littelfuse. It features a hold current of 180 mA and a trip current of 650 mA. The device operates at a maximum voltage of 60 V DC with an internal resistance of 4.5 Ohms. Power dissipation is rated at 0.80 W. It functions within a temperature range of -40°C to +85°C. This component provides overcurrent protection for telecommunications and networking circuits.

Ptc Resettable Fuses Feature Summary

• Provides resettable overcurrent protection for sensitive electronic circuits
• Utilizes polymeric positive temperature coefficient technology for automatic recovery
• Designed specifically for telecommunications and networking applications

Ptc Resettable Fuses Applications

• Telecommunications equipment circuit protection
• Networking hardware overcurrent safeguarding
• Portable electronics power line protection

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix 'T' indicates surface mount packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Ensure the 60V rating aligns with system requirements rather than assuming higher voltage capabilities found in other series variants. Cross-reference datasheets for precise thermal derating curves.

Ptc Resettable Fuses Selection Notes

Select this component for low-voltage DC applications requiring compact surface-mount solutions. Evaluate the 180 mA hold current against normal operating loads to prevent nuisance tripping. Consider the 4.5 Ohm initial resistance impact on signal integrity. Verify that the 0.80 W power dissipation handles fault conditions adequately.

Ptc Resettable Fuses Part Context

This part belongs to the TCF250 family of PolySwitch resettable fuses. These devices are engineered for high-volume manufacturing processes. They replace traditional fusible linkers in modern PCB designs. The family offers various current ratings within standardized packages.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes include TCF250-120T or TCF250-250T for different current thresholds. Verify package compatibility before swapping. Check if alternative brands offer equivalent 60V SMD PTC fuses. Ensure trip characteristics match original design specifications.