MF72-012D11

Inrush Current Limiters (ICL) Overview

The Cantherm MF72-012D11 is a power NTC thermistor designed as an inrush current limiter (ICL). It features a nominal resistance of 12 Ohms at 25°C with a tolerance of ±20%. The component supports a steady-state maximum current of 2 A and exhibits a hot resistance of 462 mOhms. Physical dimensions include a diameter of 0.512 inches (13.00 mm) and a lead spacing of 0.295 inches (7.50 mm).

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of inrush currents to protect sensitive electronic components.
• Functions as a cost-effective series-connected circuit protection device.
• Utilizes negative temperature coefficient characteristics for automatic resistance adjustment.

Inrush Current Limiters (ICL) Applications

• Surge current limitation in power supply input circuits
• Protection of sensitive electronics from damage during startup
• Inrush current suppression in general power systems

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific datasheet version for the MF72 series, as manufacturer documentation may vary slightly between editions. Confirm that the physical package dimensions and lead spacing match the design requirements. Ensure compliance with RoHS3 directives if required by the target application standards. Cross-reference the DigiKey part number 317-1181-ND for accurate distributor identification.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 12 Ohm initial resistance is required to limit surge current to a steady-state level of 2 Amperes. The 13mm diameter package is suitable for applications requiring moderate thermal mass. Verify that the operating temperature range of -55°C to 200°C aligns with the environmental conditions of the installation site.

Inrush Current Limiters (ICL) Part Context

This model belongs to the MF72 series of power NTC thermistors manufactured by Cantherm. The series is engineered specifically for inrush current limiting applications. These components are widely used in consumer and industrial electronics where reliable surge protection is necessary without adding significant cost or complexity to the circuit design.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material for this specific model.

Inrush Current Limiters (ICL) FAQ

What is the steady-state maximum current rating for the MF72-012D11?

The steady-state maximum current rating is 2 A.

What is the hot resistance value of this thermistor?

The hot resistance is specified as 462 mOhms.