MF72-120D9

Inrush Current Limiters (ICL) Overview

The Cantherm MF72-120D9 is a Negative Temperature Coefficient (NTC) thermistor designed as an inrush current limiter (ICL). It features a nominal resistance of 120 Ohms with a tolerance of ±20%. The device supports a steady-state current of 800 mA and has a maximum surge current rating of 3.015 A. Its physical dimensions include a diameter of 11 mm and a thickness of 30 mm. The component exhibits a cold resistance of 272 mOhms and a thermal dissipation factor of 68 mW/°C, ensuring reliable performance in power circuit protection applications.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes NTC material properties to provide high initial resistance that decreases rapidly upon heating, effectively limiting peak inrush currents during power-up.
• Engineered for robust thermal stability with a defined thermal dissipation factor to manage heat generation during continuous operation.
• Constructed with lead-free compliant materials to meet environmental standards while maintaining electrical integrity.

Inrush Current Limiters (ICL) Applications

• Power supplies and inverters
• Uninterruptible Power Supplies (UPS)
• Energy saving lamps

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'D9' corresponds to the 11mm diameter package and 800mA rating when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor certificates prior to final procurement decisions.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 120 Ohm nominal resistance and 800 mA steady-state current capacity. Ensure the application's peak inrush current does not exceed the 3.015 A limit. Verify that the 11mm form factor fits within the available board space and mounting constraints.

Inrush Current Limiters (ICL) Part Context

This part belongs to the MF72 series of power NTC thermistors manufactured by Cantherm. The series is specifically engineered for inrush current limiting in various electronic power circuits. The MF72-120D9 variant offers a balance of resistance and current handling suitable for medium-power applications.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer cross-reference guides for equivalent components with matching resistance, current, and dimensional specifications.