AHRF600-2

Ptc Resettable Fuses Overview

The Littelfuse AHRF600-2 is a PolySwitch resettable PTC fuse designed for high-temperature automotive applications. It features a radial leaded package suitable for through-hole PCB mounting. The device maintains a holding current of 6A and trips at 12A, with a maximum operating voltage of 16V. It offers a maximum resistance of 32 mOhms and withstands fault currents up to 100A. Qualified to AEC-Q200 standards, it operates within a temperature range of -40°C to +125°C.

Ptc Resettable Fuses Feature Summary

• Provides reliable overcurrent protection for circuits, wiring harnesses, and PCB components in demanding environments.
• Automotive-grade qualification ensures durability and performance under high thermal stress conditions.
• Radial leaded form factor facilitates secure through-hole installation on printed circuit boards.

Ptc Resettable Fuses Applications

• Protection of actuators and small motors in commercial and passenger vehicles
• Overcurrent safeguarding for vehicle screens and display systems
• Circuit protection for automotive wiring harnesses

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering suffix to confirm packaging configuration, as availability may vary between tape-and-reel and cut-tape formats. Ensure the selected variant meets the required AEC-Q200 automotive qualification standards for your specific application environment. Confirm that the radial lead spacing matches your PCB footprint requirements prior to finalizing procurement orders.

Ptc Resettable Fuses Selection Notes

Select this component when a 6A holding current and 16V rating are required for low-voltage automotive circuits. The AHRF series is optimized for high-temperature operation up to 125°C, making it suitable for engine compartments or other heat-exposed areas. Consider the 32 mOhms maximum resistance for power loss calculations and ensure the 100A fault current rating exceeds potential short-circuit levels in the target system design.

Ptc Resettable Fuses Part Context

The AHRF600-2 belongs to the PolySwitch AHRF series, which specializes in resettable fuses for automotive electronics. This series provides solid-state protection alternatives to traditional fusible links. The radial leaded construction distinguishes it from surface-mount variants, offering mechanical stability for high-current applications where robust physical connection is critical for long-term reliability.

Ptc Resettable Fuses Replacement Considerations

Cross-reference with other AHRF series devices sharing identical 6A holding current and 16V voltage ratings. Verify that substitute parts maintain equivalent AEC-Q200 automotive qualification and radial lead dimensions to ensure direct compatibility without redesigning the PCB footprint or altering thermal management strategies.

Ptc Resettable Fuses FAQ

What is the trip time for the AHRF600-2?

The typical time to trip is 6.5 seconds when subjected to the specified trip current.

Is the AHRF600-2 RoHS compliant?

Yes, the device is compliant with RoHS3 specifications.