MF-R050-2

Ptc Resettable Fuses Overview

The Bourns MF-R050-2 is a radial leaded PolySwitch resettable fuse from the MF-R series, designed for overcurrent protection in electronic circuits. It features a hold current of 500 mA and a trip current of 1 A, ensuring reliable operation under normal conditions while responding to faults. The device supports a maximum voltage of 60 VDC and can interrupt fault currents up to 40 A max. With an initial resistance of 770 mOhms, it offers low power loss during steady-state operation. The component operates within a temperature range of -40°C to +85°C and utilizes a bulk packaging format for standard PCB mounting applications.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit recovery after fault clearance without manual replacement
• Offers high breaking capacity for robust protection against excessive current events
• Features radial leads for straightforward through-hole printed circuit board integration

Ptc Resettable Fuses Applications

• Overcurrent protection for portable electronics and peripheral devices
• Surge protection in consumer appliance power input stages
• Circuit safeguarding in industrial control systems and instrumentation

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix designation against official Bourns documentation to confirm exact electrical tolerances and package variations. Ensure that the selected variant meets the required thermal derating curves for the intended operating environment. Cross-reference the manufacturer's latest datasheet to validate compliance with RoHS directives and other relevant regulatory standards before finalizing procurement specifications.

Ptc Resettable Fuses Selection Notes

Select this component based on the required hold current of 500 mA and the maximum system voltage of 60 VDC. Consider the ambient temperature conditions to ensure the device remains within its specified operational range of -40°C to +85°C. Evaluate the space constraints on the PCB to accommodate the radial lead spacing and physical dimensions of the bulk packaged unit for proper mechanical fit and thermal dissipation.

Ptc Resettable Fuses Part Context

This part belongs to the Bourns MF-R series of resettable fuses, which are widely used for protecting sensitive electronic components from damage due to overcurrent conditions. The series provides a cost-effective alternative to traditional one-time fuses by offering reusable protection capabilities. These devices are engineered for reliability in various commercial and industrial applications where circuit integrity is critical.

Ptc Resettable Fuses Replacement Considerations

Consult official Bourns substitution guides or datasheets to identify compatible alternatives within the same family or from other manufacturers. Verify that any substitute matches the critical parameters of hold current, trip current, and maximum voltage rating to maintain circuit safety and performance standards.