ICL300D18MIC

Inrush Current Limiters (ICL) Overview

The ICL300D18MIC is an NTC inrush current limiter from the Eaton ICL family. It features a nominal resistance of 3 Ohms at 25°C with a B-parameter of 2800 K and a beta tolerance of J. The component has a maximum steady-state current rating of 9 A and a diameter of 19.00 mm (0.748 inches). It utilizes lead spacing of 7.50 mm (0.295 inches) and is packaged in bulk quantities.

Inrush Current Limiters (ICL) Feature Summary

• Negative temperature coefficient thermistor construction for inrush current limiting
• Lead-type design suitable for through-hole mounting applications
• Compliant with RoHS3 standards

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuits
• Capacitive load protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific B-parameter value, as sources indicate both 2800 K and 2950 K for similar variants. Confirm the manufacturer part number against official Eaton documentation to ensure correct beta tolerance and dimensional specifications before finalizing procurement orders.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 3 Ohm initial resistance and 9 A steady-state current capacity. Ensure the 19 mm diameter fits the available PCB space and that the lead spacing matches the board layout requirements for proper installation.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Eaton ICL series of negative temperature coefficient thermistors designed specifically for circuit protection. These components are engineered to limit surge currents during power-up, protecting downstream electronic components from damage caused by high initial charging currents.

Inrush Current Limiters (ICL) Replacement Considerations

Consult Eaton Electronics for verified substitute part numbers within the ICL family that match the required electrical parameters and physical dimensions.