ICL250D09MIB

Inrush Current Limiters (ICL) Overview

The ICL250D09MIB is a negative temperature coefficient thermistor from the Eaton ICL series, designed for inrush current limiting. It features a nominal resistance of 2.5 Ohms with a tolerance of ±20%. The component supports a steady-state current of 4 Amperes and has a physical diameter of 9.50 mm (0.374 inches). Key electrical parameters include a Beta value of 2550 K with J tolerance and B1 beta definition.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents during power-up sequences
• Utilizes negative temperature coefficient characteristics to reduce resistance as temperature rises
• Offers robust performance within specified thermal operating ranges

Inrush Current Limiters (ICL) Applications

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

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific datasheet version for the ICL250D09MIB to confirm all electrical ratings and mechanical dimensions. Ensure that the selected component meets the required steady-state current and peak current specifications for the target application. Cross-reference the manufacturer part number with official Eaton documentation to avoid substitution errors.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required nominal resistance and maximum steady-state current for the circuit design. Consider the physical size constraints due to the 9.50 mm diameter. Evaluate the thermal environment to ensure the device operates within its safe temperature range during both transient and steady-state conditions.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Eaton ICL family of NTC thermistors specifically engineered for inrush current control. These components are widely used in electronic equipment to protect sensitive downstream components from damage caused by high initial charging currents when power is applied.

Inrush Current Limiters (ICL) Replacement Considerations

Consult Eaton Electronics for verified substitute part numbers. Do not assume interchangeability with other manufacturers' parts without verifying electrical and mechanical compatibility.