ICL221D11MIB

Inrush Current Limiters (ICL) Overview

The ICL221D11MIB is a Negative Temperature Coefficient (NTC) thermistor from the Eaton ICL series, designed for inrush current limiting. It features a nominal resistance of 22 Ohms with a tolerance of ±20%. The component utilizes a B-parameter of 2950 K and supports a steady-state current of 2.5 A. It has a physical size of 11 mm and employs an I-lead configuration. The part is RoHS3 compliant and packaged in bulk quantities.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective inrush current limitation to protect downstream circuit components
• Utilizes NTC characteristics to reduce resistance as temperature increases during operation
• Features a compact 11 mm disk size suitable for space-constrained applications

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer protection circuits
• Motor drive inrush control

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific B-parameter value against the official datasheet, as variations exist within the ICL family. Confirm that the 2.5 A steady-state current rating aligns with your application's thermal requirements. Ensure the 22 Ohm initial resistance meets the design specifications for inrush suppression. Check for RoHS3 compliance status if required by regional regulations.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 22 Ohm initial resistance is required for inrush limiting. Consider the 2950 K B-parameter for temperature-resistance curve matching. Evaluate the 2.5 A current capacity against peak load demands. Compare with other ICL variants like ICL102D11MIB or ICL150D11MIB if different resistance or current ratings are needed.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Eaton ICL series of NTC thermistors. These components are specifically engineered for circuit protection against high initial charging currents. The series offers various resistance values and current ratings to suit different power levels. The ICL221D11MIB represents a mid-range resistance option within the 11 mm form factor lineup.

Inrush Current Limiters (ICL) Replacement Considerations

Direct substitutes include other ICL series parts with identical 22 Ohm resistance and similar current ratings. Verify lead type and package dimensions for mechanical compatibility. Cross-reference B-parameter values to ensure thermal performance equivalence.