MF-SMDF150-2

Ptc Resettable Fuses Overview

The Bourns MF-SMDF150-2 is a surface-mount polymer positive temperature coefficient (PPTC) resettable fuse from the Multifuse MF-SMDF series. Designed for high-density circuit protection, this component features a compact 1812 package with SMD/SMT termination. It provides overcurrent safeguarding with a holding current of 0.55 A and a trip current of 1.2 A. The device supports a maximum voltage of 60 VDC and can withstand a maximum rated current of 10 A during fault conditions. It exhibits a typical resistance of 0.2 ohms and operates reliably within a temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit recovery after fault clearance without manual replacement
• Offers robust overcurrent protection in a compact surface-mount footprint
• Ensures reliable performance across wide industrial temperature ranges

Ptc Resettable Fuses Applications

• Overcurrent protection for portable electronic devices
• Surge protection in automotive electronics circuits
• Protection for communication equipment interfaces
• Industrial control system circuit safeguarding

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix against official Bourns documentation to confirm exact electrical ratings and package dimensions. Confirm RoHS compliance status and check for any recent product change notices or end-of-life announcements prior to finalizing procurement plans.

Ptc Resettable Fuses Selection Notes

Select this component when space-constrained designs require high-reliability resettable fusing. Ensure the application voltage does not exceed 60 VDC and that the expected operating current remains below the 0.55 A holding threshold. Verify thermal management requirements align with the specified operating temperature limits.

Ptc Resettable Fuses Part Context

This part belongs to the Multifuse MF-SMDF series, which specializes in low-resistance, high-current surface-mount PPTC devices. The series is engineered for applications demanding rapid response times and minimal impedance impact on normal circuit operation while maintaining strict size constraints.

Ptc Resettable Fuses Replacement Considerations

Consult official Bourns substitution guides for direct equivalents. Cross-reference parameters such as holding current, voltage rating, and package dimensions to ensure functional compatibility with existing board layouts.