ICL122D15MIC

Inrush Current Limiters (ICL) Overview

The ICL122D15MIC is an NTC thermistor from the Eaton ICL family, designed for inrush current limiting. It features a nominal resistance of 120 Ohms and a Beta value of 3500 K with B1 beta definition. The component has a steady-state maximum current rating of 1.5 A. Physical dimensions include a diameter of 16.00 mm (0.630 inches) and a lead spacing of 7.50 mm (0.295 inches). Resistance tolerance is specified at ±20%.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective inrush current limitation to protect downstream circuit components during power-up events.
• Utilizes negative temperature coefficient characteristics to reduce resistance as operating temperature increases.
• Features robust physical construction with defined lead spacing for standard mounting configurations.

Inrush Current Limiters (ICL) Applications

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

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific part number suffix against official Eaton documentation to confirm exact tolerance and beta parameter definitions. Ensure that the 1.5 A steady-state current rating aligns with the thermal management requirements of the target application environment. Cross-reference the 120 Ohm nominal resistance value with system design specifications to confirm compatibility with intended inrush suppression levels.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 120 Ohm initial resistance is required to limit peak charging currents in capacitive loads. The 1.5 A continuous current capability suits moderate-power applications. Verify that the 16 mm diameter package fits within the available board space and that the 7.5 mm lead spacing matches the PCB footprint constraints.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Eaton ICL series of inrush current limiters. These devices are specifically engineered to handle high initial surge currents while providing stable resistance during normal operation. The ICL122D15MIC variant offers a balance of resistance and current handling suitable for general-purpose electronic equipment power inputs.

Inrush Current Limiters (ICL) Replacement Considerations

Direct substitutes must match the 120 Ohm resistance, 3500 K Beta value, 1.5 A current rating, and 16 mm diameter. Verify lead spacing compatibility for direct pin-to-pin replacement without PCB modification.

Inrush Current Limiters (ICL) FAQ

What is the steady-state maximum current rating?

The steady-state maximum current rating is 1.5 A.

What is the nominal resistance value?

The nominal resistance is 120 Ohms with a tolerance of ±20%.