MF72-004D9

Inrush Current Limiters (ICL) Overview

The Cantherm MF72-004D9 is a power 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 3 A and has a diameter of 11.00 mm (0.433 inches). It operates within a temperature range of -40°C to 85°C, with a specific resistance value of 92 mOhms recorded at different current conditions.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of inrush currents to protect sensitive electronic components from damage
• Designed for series connection with the power source to limit initial surge current
• Offers a cost-effective solution for circuit protection applications

Inrush Current Limiters (ICL) Applications

• Surge current limitation in power supply circuits
• Protection of sensitive electronics from damage during startup
• Inrush current suppression in industrial equipment

Inrush Current Limiters (ICL) Procurement Notes

Verify that the selected component matches the required nominal resistance and current ratings for the specific application. Confirm compliance with RoHS3 standards and check the moisture sensitivity level if storage conditions are critical. Ensure the physical dimensions fit the intended mounting space on the printed circuit board.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on its 4 Ohm resistance and 3 A steady-state current capability. Consider the thermal characteristics and the need for inrush current suppression in the target circuit. Evaluate the package size and lead spacing to ensure compatibility with the assembly process and mechanical constraints of the design.

Inrush Current Limiters (ICL) Part Context

The MF72-004D9 belongs to the MF72 series of power NTC thermistors manufactured by Cantherm. This series is specifically engineered to provide reliable inrush current limiting in various electronic applications. The component is part of a broader family of thermistors designed for circuit protection and surge suppression tasks.

Inrush Current Limiters (ICL) Replacement Considerations

BN-LG13Y3R0MYB by Bourns Inc. is listed as a similar substitute part number.