ICL470D18MIC

Inrush Current Limiters (ICL) Overview

The ICL470D18MIC is an NTC thermistor from the Eaton ICL family, designed for inrush current limiting. It features a nominal resistance of 4.7 ohms and a B parameter of 2850 K with B1 beta definition. The component utilizes I-lead configuration and has a physical size of 18 mm. Beta tolerance is specified as J class. This negative temperature coefficient device operates within standard industrial thermal ranges to manage initial surge currents effectively.

Inrush Current Limiters (ICL) Feature Summary

• Negative temperature coefficient characteristic for dynamic resistance adjustment
• I-lead construction for reliable mechanical mounting
• B1 beta definition for standardized thermal performance modeling

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuits
• Capacitor charging protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Eaton Electronics before finalizing procurement. Confirm that the I-lead termination style matches the target PCB footprint requirements. Ensure the 18 mm body size fits within the designated enclosure constraints. Cross-reference the B1 beta definition against system simulation models to validate thermal behavior under expected load conditions.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 4.7 ohm cold resistance is required for moderate inrush suppression. The 2850 K B parameter suits applications requiring specific thermal response curves. The 18 mm form factor provides adequate surface area for heat dissipation compared to smaller variants. Verify that the 8 A peak current rating aligns with the maximum surge expectations of the target circuit design.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Eaton ICL series of inrush current limiters. These devices are engineered to protect electronic equipment from high initial charging currents. The ICL470D18MIC represents a specific resistance value within the broader family, offering a balance between steady-state loss and surge capability for general power electronics applications.

Inrush Current Limiters (ICL) Replacement Considerations

Consult Eaton official documentation for direct cross-references. No public substitute part numbers are confirmed in the provided source material.