ELF-18D434F

Common Mode Chokes Overview

The ELF-18D434F is a single-phase EMI filter manufactured by Panasonic Electronic Components. It features through-hole mounting with tin/copper terminal plating and measures 25.0 mm in length, 24.0 mm in width, and 19.5 mm in height. The component has a rated current of 1.4 A and an AC voltage rating of 250 V. Its electrical characteristics include an inductance of 2.7 mH at 1 kHz for common mode applications.

Common Mode Chokes Feature Summary

• Designed as a single-phase EMI filter for noise suppression
• Utilizes through-hole mounting technology for PCB integration
• Constructed with tin/copper plated terminals for connection

Common Mode Chokes Applications

• Electronic equipment requiring single-phase power line filtering
• Circuits needing common mode noise reduction
• Power supply input stages for EMI compliance

Common Mode Chokes Procurement Notes

Verify the specific part number suffix against official Panasonic documentation to confirm exact electrical ratings and physical dimensions. Confirm RoHS compliance status directly with the manufacturer or authorized distributors, as availability and regulatory status may vary. Ensure the selected variant matches the required inductance and current specifications for the target application circuit design.

Common Mode Chokes Selection Notes

Select this component based on its 2.7 mH inductance and 1.4 A rated current capabilities. Ensure the PCB layout accommodates the specified through-hole dimensions of 25.0 x 24.0 mm. Verify that the 250 V AC rating meets the system's operational voltage requirements. Consider the single-phase configuration suitability for the intended power line topology.

Common Mode Chokes Part Context

This component belongs to the ELF series of line filters produced by Panasonic Electronic Components. It is categorized under passive components and specifically within the common mode choke subcategory. The series is designed for electromagnetic interference suppression in electronic systems requiring reliable noise filtration on single-phase power lines.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Panasonic documentation or authorized distributor catalogs for verified cross-references before substituting this component in existing designs.