ELF-18D420F

Common Mode Chokes Overview

The Panasonic ELF-18D420F is a through-hole common mode choke designed for two-line applications. It features an inductance of 1.2 mH and a maximum current rating of 3 A. The component supports AC voltage ratings up to 250 V with a typical DC resistance of 43 mOhm. It operates within a temperature range of -20°C to 105°C and utilizes a vertical package with four PC pins.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for dual-line circuits
• Supports high current handling capabilities up to 3 A
• Designed for reliable operation across extended temperature ranges

Common Mode Chokes Applications

• Power supply input filtering
• EMI suppression in electronic equipment
• Signal line protection

Common Mode Chokes Procurement Notes

Verify the specific part number suffix and manufacturing date code upon ordering. Confirm that the component meets all required safety certifications for the target market. Ensure compatibility with existing PCB footprint dimensions and mounting requirements before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component when dual-line common mode noise reduction is required at 1.2 mH. Ensure the operating current does not exceed 3 A to maintain performance. Verify that the 250 V AC rating aligns with system voltage specifications. Check thermal constraints against the -20°C to 105°C operational range.

Common Mode Chokes Part Context

This component belongs to the ELF-18 series of common mode chokes from Panasonic Electronic Components. The series offers various inductance values and current ratings for different filtering needs. The ELF-18D420F specifically targets applications requiring moderate inductance with high current capacity in a through-hole format.

Common Mode Chokes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for direct equivalents or cross-reference compatible components based on electrical specifications.