ELF-18D216

Common Mode Chokes Overview

The Panasonic ELF-18D216 is a through-hole common mode filter designed for line filtering applications. It features two independent circuits with a nominal impedance of 3.9 mH and a rated current capacity of 1 A. The component is constructed to provide effective noise suppression while maintaining signal integrity in differential data lines. It complies with RoHS standards, ensuring it is lead-free, halogen-free, and antimony-free. The device is engineered for high reliability in environments requiring robust electromagnetic interference mitigation.

Common Mode Chokes Feature Summary

• Two built-in filter circuits for differential line noise suppression
• Through-hole mounting configuration for secure PCB attachment
• RoHS compliant construction free from lead, halogens, and antimony

Common Mode Chokes Applications

• Noise suppression of high-speed differential data lines
• Information equipment signal integrity protection
• AV equipment EMI reduction

Common Mode Chokes Procurement Notes

Verify the specific suffix and tolerance requirements against the official Panasonic datasheet before ordering. Confirm that the through-hole package dimensions match the target PCB footprint. Ensure the rated current and impedance specifications align with the circuit design constraints. Check for any specific handling or storage instructions provided in the manufacturer's documentation.

Common Mode Chokes Selection Notes

Select this component when a through-hole solution is required for common mode noise filtering in differential pairs. Consider the 3.9 mH impedance value for the intended frequency range. Evaluate the 1 A current rating against the maximum operating current of the application. Compare physical size constraints with available board space for through-hole components.

Common Mode Chokes Part Context

This part belongs to the Panasonic ELF series of line filters. These components are designed for general-purpose noise suppression in electronic circuits. The series offers various impedance values and current ratings to suit different application needs. They are commonly used in consumer electronics and industrial equipment to meet EMC requirements.

Common Mode Chokes Replacement Considerations

Consult the official Panasonic replacement guide for verified substitute part numbers. Ensure any alternative component matches the impedance, current rating, and package type. Verify compatibility with existing PCB layouts and soldering processes.