ELF-21N015A

Common Mode Chokes Overview

The Panasonic ELF-21N015A is a Type 21N common mode choke designed for power line filtering. It features an inductance of 18mH and a current rating of 1.5A. The component utilizes a vertical through-hole mounting configuration with four pins. Its physical dimensions are 20.00mm in length and 32.00mm in width.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for two-line power circuits
• Utilizes vertical through-hole pin termination for board mounting

Common Mode Chokes Applications

• Power supply input filtering
• Electronic equipment EMI reduction

Common Mode Chokes Procurement Notes

Verify the exact part number against official Panasonic documentation to confirm specifications. Check for availability status as components may be obsolete or discontinued. Ensure compatibility with existing board layouts and thermal requirements before procurement.

Common Mode Chokes Selection Notes

Select this component based on the required 18mH inductance and 1.5A current handling capacity. Confirm that the vertical package dimensions fit the designated PCB footprint. Validate that the Type 21N series meets the specific electromagnetic interference mitigation needs of the application.

Common Mode Chokes Part Context

This component belongs to the Panasonic ELF-21N series of common mode chokes. These filters are engineered for suppressing high-frequency noise in dual-line configurations. The series offers standardized dimensions and electrical characteristics for consistent integration into various electronic assemblies.