MF72-004D13

Inrush Current Limiters (ICL) Overview

The Cantherm MF72-004D13 is a negative temperature coefficient (NTC) thermistor designed for inrush current limiting. It features a nominal resistance of 4 Ohms at 25°C with a tolerance of ±20%. The component supports a maximum steady-state current of 5 A and exhibits a low-temperature resistance of 120 mOhms. Physically, it has a disc diameter of 0.610 inches (15.50 mm) and a lead spacing of 0.295 inches (7.50 mm).

Inrush Current Limiters (ICL) Feature Summary

• Provides effective surge current suppression to protect sensitive electronic components.
• Utilizes NTC technology for cost-effective circuit protection.
• Features robust mechanical construction with wire leads for through-hole mounting.

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 part number against official manufacturer documentation to ensure accuracy. Confirm that the required electrical parameters, including resistance values and current ratings, align with the design specifications. Check for compliance with relevant environmental standards such as RoHS before finalizing procurement decisions.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required initial resistance and steady-state current capacity for the target application. Ensure the physical dimensions, specifically the diameter and lead spacing, fit the available board space. Consider the thermal environment and expected operating conditions to guarantee reliable performance over the product lifecycle.

Inrush Current Limiters (ICL) Part Context

This device belongs to the MF72 series of power NTC thermistors manufactured by Cantherm. The series is engineered for general-purpose inrush current limiting applications. These components are widely used in consumer electronics and industrial equipment where surge protection is critical for system reliability.

Inrush Current Limiters (ICL) Replacement Considerations

Publicly confirmed substitute part numbers include B57211P0409M301 from TDK, BN-LG13Y4R0MYB from Bourns Inc., and SL125R005 from Vishay Ametherm. Verify compatibility with these alternatives before implementation.

Inrush Current Limiters (ICL) FAQ

What is the steady-state current rating?

The maximum steady-state current rating is 5 A.

What is the resistance value at 25°C?

The nominal resistance at 25°C is 4 Ohms with a tolerance of ±20%.