MF73T-1 1/20

Inrush Current Limiters (ICL) Overview

The Cantherm MF73T-1 1/20 is an inrush current limiter (ICL) featuring a nominal resistance of 1 Ohm with a tolerance of ±20%. It supports a maximum steady-state current rating of 20 A and utilizes a cylindrical package with a chip diameter of 25.00 mm (0.984 inches). The component operates within a temperature range of -55°C to 200°C, offering a maximum rated power of 3.5 W and a dissipation coefficient of at least 22 mW/°C.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective inrush current limiting for electronic circuits
• Features robust thermal stability across a wide operating temperature range
• Utilizes a compact cylindrical design suitable for various mounting configurations

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer protection circuits
• Capacitive load switching applications

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific electrical parameters against the official datasheet before integration. Confirm that the 1 Ohm resistance and 20 A current rating align with the target circuit requirements. Ensure the thermal characteristics meet the operational environment standards. Check for RoHS compliance status if required by regulatory frameworks.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a low-resistance inrush limiter is required for high-current applications up to 20 A. The 1 Ohm value is suitable for minimizing voltage drop during normal operation while effectively limiting initial surge currents. Consider the 25 mm diameter for adequate heat dissipation capabilities.

Inrush Current Limiters (ICL) Part Context

This part belongs to the MF73T-1 series of inrush current limiters manufactured by Cantherm. The series offers various resistance and current combinations to suit different power levels. This specific variant provides a balance of low resistance and high current handling capacity.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official substitution lists for compatible alternatives. Verify that any replacement maintains identical resistance, current rating, and physical dimensions to ensure proper circuit function.