ELF-21N010A

Common Mode Chokes Overview

The Panasonic ELF-21N010A is a single-phase EMI filter belonging to the Series N, High N Type 21N. It functions as a common mode choke designed for power line applications. The component features through-hole mounting and supports a rated current of 1A. Its physical dimensions are L32.0mm x B23.0mm x H39.0mm. The device is RoHS compliant and utilizes tin/copper terminal plating.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for single-phase AC power lines
• Designed for through-hole solder mounting on printed circuit boards
• Constructed with unshielded core technology

Common Mode Chokes Applications

• Single-phase AC power input filtering
• Common mode interference reduction in electronic equipment
• Power supply unit EMI mitigation

Common Mode Chokes Procurement Notes

Verify the specific lifecycle status before procurement, as availability may vary by region. Confirm that the through-hole package dimensions align with the target PCB footprint. Ensure the 1A current rating meets the application requirements. Check for RoHS compliance documentation if required by regulatory standards. Note that distribution channels may have varying stock levels.

Common Mode Chokes Selection Notes

Select this component for single-phase applications requiring common mode chokes. Verify that the 1A current rating is sufficient for the load. Ensure the through-hole mounting method is compatible with the assembly process. Compare physical dimensions against available board space. Confirm voltage ratings match the system specifications.

Common Mode Chokes Part Context

This part belongs to Panasonic's Series N, specifically the High N Type 21N family. These components are engineered as common mode chokes for power line filtering. The series focuses on providing effective EMI suppression for single-phase circuits. The ELF-21N010A represents a standard configuration within this product line.

Common Mode Chokes Replacement Considerations

Consult official Panasonic documentation for confirmed substitute part numbers. Verify compatibility regarding current rating, inductance, and physical dimensions when considering alternatives.