MF-R075/90-AP-17

Ptc Resettable Fuses Overview

The Bourns MF-R075/90-AP-17 is a resettable PTC fuse from the PolySwitch RHC series, designed for overcurrent protection in surface-mount applications. It features a hold current of 0.75 A and a trip current of 0.90 A at 25°C. The device operates with a maximum voltage rating of 17 V DC and withstands a maximum fault current of 100 A. Its resistance is typically 0.075 Ω max initially, rising to 1.5 Ω max after tripping. The component utilizes an AP (Automotive Plastic) package, suitable for reflow soldering processes on printed circuit boards.

Ptc Resettable Fuses Feature Summary

• Provides automatic resettable overcurrent protection without requiring manual replacement
• Engineered specifically for automotive-grade surface-mount assembly requirements
• Delivers reliable thermal response to sustained overcurrent conditions

Ptc Resettable Fuses Applications

• Automotive electronic control units
• In-vehicle infotainment systems
• Telematics modules
• Body control modules

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix 'AP' confirms the automotive plastic package variant. Confirm the voltage rating aligns with the system's maximum operating voltage. Ensure the hold current meets the circuit's continuous load requirements. Check datasheet for derating curves relevant to ambient temperature conditions.

Ptc Resettable Fuses Selection Notes

Select based on the required hold current and maximum operating voltage. Consider the physical footprint constraints for surface-mount placement. Evaluate the time-current characteristics against the protected circuit's tolerance. Verify compatibility with the intended manufacturing soldering profile.

Ptc Resettable Fuses Part Context

This component belongs to Bourns' PolySwitch RHC series of resettable fuses. These devices utilize polymer positive temperature coefficient technology to provide circuit protection. The series offers various package options including through-hole and surface-mount configurations for diverse industrial and consumer applications.

Ptc Resettable Fuses Replacement Considerations

Consult official substitution guides for equivalent ratings. Verify that any alternative part matches the voltage, current, and package specifications. Cross-reference technical parameters before implementation.