MF72-033D7

Inrush Current Limiters (ICL) Overview

The Cantherm MF72-033D7 is a power NTC thermistor designed for inrush current suppression. It features a resistance of 33 Ohms at 25°C with ±20% tolerance and a steady-state maximum current rating of 500 mA. The component utilizes a bead package with a diameter of 0.354 inches (9.00mm). It operates within a temperature range of -40°C to +125°C and meets RoHS3 compliance standards.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective inrush current suppression for sensitive electronic circuits
• Utilizes direct heat type negative temperature coefficient technology
• Offers cost-effective surge current protection when connected in series

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary side protection
• Motor drive circuit protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct electrical ratings and physical dimensions. Confirm that the selected variant matches the required steady-state current and resistance specifications for the target application circuit design.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on its 33 Ohm initial resistance and 500 mA current handling capability. Ensure the thermal environment allows for proper self-heating characteristics during operation. Validate compatibility with the system's voltage requirements and surge conditions.

Inrush Current Limiters (ICL) Part Context

This device belongs to the MF72 series of power NTC thermistors manufactured by Cantherm. The series is specifically engineered for high-energy applications requiring robust surge current limiting capabilities in industrial and consumer electronics power systems.

Inrush Current Limiters (ICL) Replacement Considerations

Cross-reference with other MF72 series variants or equivalent power NTC thermistors from different manufacturers that match the 33 Ohm resistance and 500 mA current rating specifications.