RF5029-000

Ptc Resettable Fuses Overview

The RF5029-000 is a polymeric PTC resettable fuse from the nanoASMDCH series, designed for surface mount applications. It features a hold current of 100 mA and a trip current of 20 A, with a maximum voltage rating of 30 V. The component utilizes a 1206 (3216 Metric) package configuration. It provides overcurrent protection by increasing resistance significantly upon fault detection, automatically resetting once conditions normalize.

Ptc Resettable Fuses Feature Summary

• Polymeric positive temperature coefficient construction for automatic circuit recovery
• High-current trip capability within a compact surface mount footprint
• Designed for high-temperature automotive and industrial environments

Ptc Resettable Fuses Applications

• Portable medical devices
• EV charging equipment power distribution
• Off-highway electric vehicle circuits

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix designation against Littelfuse official documentation to confirm exact electrical characteristics and packaging specifications. Ensure compatibility with lead-free reflow soldering processes required for modern assembly lines. Confirm RoHS compliance status through manufacturer certificates before integration into regulated supply chains.

Ptc Resettable Fuses Selection Notes

Select this component when circuit protection requires a low-profile surface mount solution capable of handling high fault currents. The 1206 package offers a balance between current capacity and board space efficiency. Consider the 30 V rating and 100 mA hold current limits to ensure proper operation within the target system's voltage and current parameters.

Ptc Resettable Fuses Part Context

This device belongs to the nanoASMDCH product family, which focuses on high-temperature performance for demanding applications. The series is engineered to meet the reliability standards required for automotive and industrial electronics, providing robust circuit protection in compact form factors suitable for dense PCB layouts.

Ptc Resettable Fuses Replacement Considerations

Consult Littelfuse official substitution guides for compatible alternatives. Verify that any substitute maintains identical voltage ratings, hold current, and package dimensions to ensure mechanical and electrical compatibility without redesign.