MF-RX065/72-0

Overview

The Bourns MF-RX065/72-0 is a radial leaded PPTC resettable fuse from the MF-RX/72 series. It features a maximum voltage of 72 VDC and a maximum trip current of 40 A. The holding current is 0.65 A at 23°C, with a trip current of 1.3 A. Resistance ranges from 270 mΩ minimum to 480 mΩ maximum. Power dissipation is 0.9 W. Operating temperature spans -40°C to +85°C.

Feature Summary

• Provides overcurrent protection through automatic resistance increase during fault conditions
• Enables circuit restoration after cooling without manual replacement
• Designed for PCB mounting via radial leads

Applications

• Power management systems
• Embedded modules
• Standard electronic applications

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm package type and lead configuration match requirements. Ensure environmental compliance certifications are present. Validate electrical parameters against specific application needs before procurement.

Selection Notes

Select based on holding current matching normal operating levels. Verify trip current exceeds peak operational surges. Check voltage rating against system maximums. Consider thermal environment impact on performance. Evaluate physical dimensions for board space constraints.

Part Context

Part of the MF-RX/72 series offering compact resettable fuses. Designed for consumer electronics and industrial equipment. Provides reliable overcurrent protection in space-constrained designs. Radial leaded format facilitates automated assembly processes.

Replacement Considerations

MF-RX065/72-0-14 serves as a direct substitute within the same series. Both share identical electrical characteristics and form factor. Verify lead spacing compatibility when substituting.