0ZRN0550FF1E

Ptc Resettable Fuses Overview

The Bel Fuse 0ZRN0550FF1E is a PTC resettable fuse from the 0ZRN series, designed for overcurrent protection in electronic circuits. It features an axial leaded radial package with strap-style mounting capabilities. The device maintains a hold current of 550 mA and trips at 1.05 A. It operates within a voltage range up to 30 VDC and withstands fault currents up to 40 A. The component exhibits a low resistance of 1.1 mOhms and functions reliably across a temperature range of -40°C to +125°C.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit recovery after fault clearance without manual replacement
• Offers dual mounting flexibility through axial leads and strap-compatible design
• Ensures reliable operation in high-temperature environments up to 125°C

Ptc Resettable Fuses Applications

• Portable electronics battery pack protection
• Peripheral interface circuit overcurrent safeguarding
• Automotive sensor module circuit protection

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix FF1E against official Bel Fuse documentation to confirm the exact packaging configuration and lead finish specifications. Ensure that the selected variant matches the required thermal derating curves for your intended operating environment. Cross-reference the datasheet for precise mechanical dimensions to validate PCB footprint compatibility before finalizing procurement orders.

Ptc Resettable Fuses Selection Notes

Select this component when applications require a robust, reusable overcurrent solution with high fault current tolerance. The 0ZRN series is suitable for space-constrained designs needing axial termination while offering alternative strap mounting options. Consider the 1.1 mOhms resistance for minimal power loss in low-voltage systems requiring stable performance under continuous load conditions.

Ptc Resettable Fuses Part Context

This part belongs to the 0ZRN family of PPTC resettable fuses manufactured by Bel Fuse. The series is engineered for general-purpose circuit protection, balancing compact physical dimensions with high electrical ratings. It serves as a critical safety component in modern electronics, replacing traditional fusible links in applications demanding serviceability and repeated fault resilience.

Ptc Resettable Fuses Replacement Considerations

Consult official substitution guides for equivalent parts within the same voltage and current rating class. Verify that any alternative component matches the 30 VDC maximum voltage and 40 A max interrupt rating. Confirm thermal characteristics align with the -40°C to +125°C operational range to ensure system reliability.