MF-R500-AP

Overview

The Bourns MF-R500-AP is a radial leaded PPTC resettable fuse from the Multifuse MF-R series. It features a hold current of 5.0 A and a trip current of 10 A, with a maximum voltage rating of 30 VDC. The device has a minimum resistance of 30 mOhms and can withstand a maximum rated current of 40 A. It operates within a temperature range of -40°C to +85°C and utilizes a 10.2 mm lead spacing for PCB mounting.

Feature Summary

• Provides automatic circuit protection through positive temperature coefficient polymer technology
• Offers reliable overcurrent safeguarding without requiring replacement after tripping
• Designed for secure PCB integration using standard radial leaded termination

Applications

• Overcurrent protection in consumer electronic devices
• Circuit safeguarding in office automation equipment
• Protection for portable computing hardware and peripherals

Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official Bourns documentation. Confirm that the specific suffix matches the required electrical ratings and package style. Ensure compliance with relevant safety standards and environmental regulations applicable to your region before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring high-current protection up to 5.0 A at low voltages. Consider the 30 mOhm resistance impact on power loss and the 10.2 mm lead spacing for board layout constraints. Evaluate thermal management requirements given the operational temperature limits and ambient conditions of the target application environment.

Part Context

This part belongs to the Multifuse MF-R series of resettable fuses manufactured by Bourns Inc. The series provides versatile protection solutions for various electronic markets. The MF-R500-AP specifically addresses applications needing robust current handling capabilities within a compact radial leaded form factor suitable for through-hole assembly processes.

Replacement Considerations

Consult official Bourns substitution guides for verified alternatives. Ensure any substitute maintains identical hold current, trip current, and voltage ratings. Verify mechanical compatibility regarding lead spacing and package dimensions to guarantee proper fit on existing printed circuit boards.