MF-RX160/72-AP

Overview

The Bourns MF-RX160/72-AP is a radial leaded polymeric positive temperature coefficient (PPTC) resettable fuse from the Multifuse MF-RX/72 series. It provides overcurrent protection with a hold current of 1.6 A and a trip current of 3.2 A. The device operates at a maximum voltage of 72 VDC and exhibits a typical resistance of 0.09 ohms. It features a maximum fault current rating of 40 A and a power dissipation of 500 mW. The component functions within an ambient temperature range of -40°C to +85°C.

Feature Summary

• Polymeric PTC technology enables automatic circuit recovery after fault conditions clear, eliminating the need for manual replacement.

Applications

• Overcurrent protection in consumer electronics
• Circuit safeguarding in industrial instrumentation
• Protection for telecommunications equipment

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and compliance status. Ensure the selected variant matches the required hold and trip current specifications for the target application circuit design.

Selection Notes

Select this component based on the 1.6 A hold current and 72 VDC maximum voltage requirements. Confirm that the 0.09 ohm resistance and 500 mW power dissipation align with the thermal management capabilities of the host PCB layout.

Part Context

This part belongs to the Bourns Multifuse MF-RX/72 series of resettable fuses. The series offers various current ratings and voltage options, providing flexible circuit protection solutions across different electronic product categories.

Replacement Considerations

MF-RX160-72-AP

FAQ

What is the maximum fault current rating?

The maximum fault current rating is 40 A.

Does the device require manual replacement after tripping?

No, it is a resettable fuse that automatically returns to a low-resistance state once the fault condition is removed and the device cools down.