MF-LSMF050X-2

Ptc Resettable Fuses Overview

The Bourns MF-LSMF050X-2 is a Multifuse PPTC resettable fuse from the L-SMF series, designed for surface-mount PCB applications. It features radial-style SMD termination and meets AEC-Q200 automotive qualification standards. The device maintains a holding current of 0.5A with a trip current of 1.0A at maximum voltage ratings of 60VDC. Its initial resistance is typically 0.3 ohms, supporting a maximum fault current of 10A. Operating temperatures range from -40°C to +85°C, ensuring reliability in high-temperature environments.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection through self-resetting polymeric technology
• Ensures high reliability via AEC-Q200 automotive grade qualification
• Enables compact design integration using low-profile surface-mount packaging

Ptc Resettable Fuses Applications

• Automotive electronic module overcurrent protection
• High-reliability industrial circuit safeguarding
• Consumer electronics power line protection

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix designation against official Bourns documentation to confirm exact electrical characteristics and package dimensions. Ensure the selected variant aligns with the required voltage and current ratings for the target application. Confirm compliance with relevant industry certifications such as AEC-Q200 if automotive usage is intended. Cross-reference datasheet parameters to validate thermal performance requirements.

Ptc Resettable Fuses Selection Notes

Select this component based on the required holding current and maximum operating voltage for the protected circuit. Consider the space constraints on the PCB to ensure the surface-mount footprint fits the layout. Evaluate the thermal environment to verify the device can withstand ambient temperatures without nuisance tripping. Check compatibility with reflow soldering profiles specified in the manufacturer's guidelines.

Ptc Resettable Fuses Part Context

This part belongs to the Multifuse L-SMF series, which offers low-profile surface-mount resettable fuses. The series provides various holding current options within a standardized footprint family. These components are engineered for applications requiring robust overcurrent protection in space-constrained designs. The L-SMF series supports diverse industries including automotive, industrial, and consumer electronics.

Ptc Resettable Fuses Replacement Considerations

Consult official Bourns substitution guides for verified alternatives. Generic equivalents may not match AEC-Q200 qualifications or specific thermal characteristics.