ELF-21N022A

Common Mode Chokes Overview

The Panasonic ELF-21N022A is a vertical, two-line through-hole common mode choke designed for AC power line filtering. It features a rated current of 2.2 A and an inductance of 2.2 mH. The component utilizes a vertical mounting configuration with four PC pins, ensuring stable mechanical attachment on printed circuit boards. Its construction supports high-current applications while maintaining effective electromagnetic interference suppression capabilities.

Common Mode Chokes Feature Summary

• Vertical mounting design with four PC pins for secure PCB integration
• Dual-line configuration for single-phase AC power line filtering
• High current handling capability suitable for robust power supply circuits

Common Mode Chokes Applications

• AC power input stages in electronic equipment
• Electromagnetic interference suppression in power supplies
• Common mode noise reduction in industrial control systems

Common Mode Chokes Procurement Notes

Verify the specific suffix and manufacturing origin against the latest official datasheet to ensure compliance with current production standards. Confirm that the vertical pin configuration matches the target PCB footprint requirements. Check for any recent production location changes or obsolescence notices from Panasonic Electronic Components prior to finalizing procurement plans.

Common Mode Chokes Selection Notes

Select this component when a vertical form factor is required for space-constrained PCB layouts. Ensure the application demands a 2.2 A rated current and 2.2 mH inductance for adequate common mode noise attenuation. Verify that the through-hole mounting method aligns with the assembly process and mechanical stress requirements of the final product design.

Common Mode Chokes Part Context

This part belongs to the ELF series of line filters manufactured by Panasonic Electronic Components. The series offers various inductance and current ratings tailored for different power line filtering needs. The ELF-21N022A specifically addresses applications requiring moderate inductance with high current capacity in a vertical package format.

Common Mode Chokes Replacement Considerations

Consult official Panasonic documentation for verified substitute part numbers within the ELF series. Cross-reference electrical parameters such as inductance, current rating, and physical dimensions before considering alternative components.