NAH-20-472

Power Line Filter Modules Overview

The Cosel USA, Inc. NAH-20-472 is a single-phase EMC/EMI power line filter module designed for general-purpose applications. It supports a rated voltage of 250V AC and DC with a continuous current capacity of 20 A. The unit features a single-stage configuration utilizing spring-loaded, captive push-down terminals for secure connection. Key electrical specifications include an inductance of 5 mH, a capacitance of 0.47 µF, and a parallel capacitance of 4700 pF. The physical dimensions are 2.09 x 1.62 inches.

Power Line Filter Modules Feature Summary

• Ultra-high attenuation performance across the 10 kHz to 1 MHz frequency range
• Spring-loaded, captive push-down terminal design for reliable connectivity
• Single-phase 250 VAC operation capability

Power Line Filter Modules Applications

• General purpose electronic equipment noise suppression
• Single-phase power line filtering
• EMC/EMI compliance enhancement

Power Line Filter Modules Procurement Notes

Verify that the specific order matches the NAH-20-472 part number exactly. Confirm the requirement for spring-loaded push-down terminals versus screw-type alternatives if applicable. Ensure the application environment remains within the specified 250V AC/DC rating and 20A current limit. Check for RoHS compliance status if required by local regulations. Validate physical space constraints against the 2.09 x 1.62 inch footprint.

Power Line Filter Modules Selection Notes

Select this component when high attenuation between 10 kHz and 1 MHz is required for single-phase systems. The 20A rating suits moderate power loads. The spring-loaded terminal style offers faster installation compared to traditional screws. Consider the 5 mH inductance value for appropriate impedance matching. Verify compatibility with existing panel mounting requirements.

Power Line Filter Modules Part Context

This module belongs to the Cosel NAH series of power line filters. It is distinct from similar models like the NAH-16-472, which handles lower current ratings. The series focuses on compact EMI suppression for industrial and commercial electronics. The NAH-20-472 specifically addresses higher current demands while maintaining single-stage filtering efficiency.

Power Line Filter Modules Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires careful verification of electrical parameters and terminal types.