ELF-20N008A

Common Mode Chokes Overview

The Panasonic ELF-20N008A is a through-hole common mode choke designed for noise suppression in electronic circuits. It features a dual-line configuration with an inductance of 43mH and a DC resistance of 770Ω. The component supports a current rating of 800mA and operates within a temperature range of -55°C to +125°C. Its construction utilizes a powdered iron core, ensuring low loss characteristics suitable for high-current applications.

Common Mode Chokes Feature Summary

• Dual-line common mode noise suppression
• Powdered iron core construction for low loss
• Through-hole mounting technology

Common Mode Chokes Applications

• Notebook DC-DC converters
• Desktop PC power supplies
• Server high-current power supplies

Common Mode Chokes Procurement Notes

Verify the obsolete lifecycle status before procurement planning. Confirm availability through authorized distributors as stock levels fluctuate. Ensure the through-hole package matches your PCB design requirements. Cross-reference specifications with official Panasonic documentation to confirm electrical parameters match your circuit needs.

Common Mode Chokes Selection Notes

Select this component for applications requiring robust noise filtering in high-current DC-DC conversion environments. The 800mA rating and specific inductance value suit notebook and server power stages. Consider the through-hole form factor if automated SMD assembly is not utilized or if mechanical stability is prioritized over board space.

Common Mode Chokes Part Context

This part belongs to Panasonic's line filter series, specifically engineered for electromagnetic interference reduction. It serves as a critical passive component in power management systems where signal integrity and noise immunity are essential for stable operation of sensitive electronic loads.

Common Mode Chokes Replacement Considerations

No public confirmed substitute part numbers are available in the provided data. Verify compatibility with alternative components by matching inductance, current rating, and physical dimensions.