ELF-21N024A

Common Mode Chokes Overview

The Panasonic ELF-21N024A is a through-hole common mode choke (CMC) designed for signal line filtering. It features a two-line configuration with a current rating of 2.4A and an AC voltage rating of 250V. The component has a typical DC resistance (DCR) of 94mOhm and supports a maximum operating temperature of 115°C.

Common Mode Chokes Feature Summary

• Two-line common mode choke construction
• Through-hole mounting technology
• High current handling capability

Common Mode Chokes Applications

• Signal line noise suppression
• AC power input filtering
• Electronic equipment EMI reduction

Common Mode Chokes Procurement Notes

Verify the specific datasheet version to confirm mechanical dimensions and terminal plating specifications. Ensure the selected variant matches the required through-hole footprint and lead spacing for your PCB layout. Cross-reference the 2.4A rating against your circuit's peak load requirements to prevent saturation.

Common Mode Chokes Selection Notes

Select this component when a robust, high-current common mode choke is needed for through-hole assembly. The 2.4A rating suits applications requiring significant current handling without excessive size. Consider the 115°C temperature limit for thermal management in enclosed environments.

Common Mode Chokes Part Context

This part belongs to Panasonic's ELF series of common mode chokes, which are engineered for reliable noise suppression in electronic circuits. The series offers various current ratings and configurations to meet diverse filtering needs in consumer and industrial electronics.

Common Mode Chokes Replacement Considerations

Consult official Panasonic documentation for direct cross-references. Verify that any substitute maintains the 2.4A current rating, 250V AC rating, and compatible through-hole package dimensions to ensure functional equivalence.